Discovery Kit With STM32F469NI MCU Stm32f469 Disco Manual

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UM1932
User manual
Discovery kit with STM32F469NI MCU

Introduction
The STM32F469I-DISCO discovery board (32F469IDISCOVERY) is a complete
demonstration and development platform for STMicroelectronics ARM® Cortex® -M4 
core-based STM32F469NIH6 microcontroller. This microcontroller features three I2C
interfaces, six SPIs with two multiplexed full-duplex I2S interfaces, SDIO, four USART ports,
four UART ports, two CAN buses, three 12-bit ADCs, two 12-bit DACs, one SAI, 8 to 14-bit
digital camera digital module interface, internal 320+4 Kbytes of SRAM and 2-Mbyte Flash
memory, USB HS OTG and USB FS OTG, Ethernet MAC, FMC interface, MIPI DSI
interface, Quad-SPI interface, JTAG debugging support. This discovery board offers
everything required for users to quickly get started and develop applications easily.
The hardware features on the board help users to evaluate the following peripherals: USB
OTG FS, microSD card, Audio DAC with headset jack, digital microphones, SDRAM, 
Quad-SPI Flash memory, 4" TFT LCD using MIPI DSI interface with capacitive touch
panel.The Arduino™ compatible connectors expand the functionality with a wide choice of
specialized shields.The extension header makes it possible to easily connect a
daughterboard for specific application. The integrated ST-LINK/V2-1 provides an embedded
in-circuit debugger and programmer for the STM32 MCU.
Figure 1. STM32F469I-DISCO board (top view)

Figure 2. STM32F469I-DISCO board (bottom view)

1. Pictures not contractual.

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1

Contents

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Contents
1

Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6

2

Product marking . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7

3

Demonstration software . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7

4

Order code . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7

5

Technology partners . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7

6

Hardware layout and configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
6.1

6.2

6.3

2/40

Embedded ST-LINK/V2-1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .11
6.1.1

Drivers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11

6.1.2

ST-LINK/V2-1 firmware upgrade . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11

Power supply . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
6.2.1

Power supply sources . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12

6.2.2

Supplying the board through ST-LINK/V2-1 USB port . . . . . . . . . . . . . . 12

6.2.3

Measurement of current IDD drawn by the STM32F469NI

6.2.4

Power related jumpers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13

. . . . . . . . . 13

Clock source . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
6.3.1

HSE clock source . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14

6.3.2

LSE clock source . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14

6.4

Reset source . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14

6.5

Audio outputs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15

6.6

Digital microphones . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15

6.7

USB OTG FS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15

6.8

MicroSD card . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16

6.9

SDRAM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16

6.10

Quad-SPI NOR Flash memory . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16

6.11

Virtual COM port . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16

6.12

Arduino connectors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16

6.13

Extension connector CN12 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18

6.14

DSI LCD . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20

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Contents

6.15

Buttons and LEDs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21

6.16

I2C extension connector CN11 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22

6.17

USB OTG FS Micro-AB connector CN13 . . . . . . . . . . . . . . . . . . . . . . . . . 22

6.18

MicroSD connector CN9 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23

6.19

ST-LINK/V2-1 USB Mini Type B connector CN1 . . . . . . . . . . . . . . . . . . . 24

6.20

Audio jack CN3 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24

Schematics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25

Appendix A Mechanical dimensions. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37
Appendix B Federal Communications Commission (FCC) and 
Industry Canada (IC) Compliance . . . . . . . . . . . . . . . . . . . . . . . . . . 38
B.1

B.2

8

FCC Compliance Statement . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38
B.1.1

Part 15.19 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38

B.1.2

Part 15.105 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38

B.1.3

Part 15.21 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38

IC Compliance Statement . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38
B.2.1

Compliance Statement . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38

B.2.2

Déclaration de conformité. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38

Revision History . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39

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List of tables

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List of tables
Table 1.
Table 2.
Table 3.
Table 4.
Table 5.
Table 6.
Table 7.
Table 8.
Table 9.
Table 10.
Table 11.

4/40

Power related jumpers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
Arduino compatible connectors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
Arduino compatible connectors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
Extension connector pinout . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
DSI LCD module connector (CN10) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
Port assignment for control of LED indicators . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
I2C extension connector pinout . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
USB OTG FS Micro-AB connector CN13 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
MicroSD connector CN9 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23
USB Mini type B connector CN1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24
Document Revision History . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39

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List of figures

List of figures
Figure 1.
Figure 2.
Figure 3.
Figure 4.
Figure 5.
Figure 6.
Figure 7.
Figure 8.
Figure 9.
Figure 10.
Figure 11.
Figure 12.
Figure 13.
Figure 14.
Figure 15.
Figure 16.
Figure 17.
Figure 18.
Figure 19.
Figure 20.
Figure 21.
Figure 22.
Figure 23.
Figure 24.

STM32F469I-DISCO board (top view) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
STM32F469I-DISCO board (bottom view) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
Hardware block diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
STM32F469I-DISCO top side layout . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
STM32F469I-DISCO bottom side layout . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
USB Composite device . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
Extension connector CN12 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
I2C extension connector (front view) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
USB OTG FS Micro-AB connector CN13 (front view). . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
MicroSD connector CN9 (front view) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23
USB type Mini B connector CN1 (front view) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24
STM32F469I-DISCO Discovery board . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25
STM32F469I-DISCO MCU . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26
Extension connectors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27
Power . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28
Peripherals . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29
Audio codec and microphone MEMS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30
4-inch DSI LCD board. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31
SDRAM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32
QSPI . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33
USB OTG FS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34
Arduino UNO connector . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35
ST-LINK/V2-1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36
Mechanical dimensions in millimeter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37

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Features

1

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Features


STM32F469NIH6 microcontroller featuring 2 Mbytes of Flash memory and 324 Kbytes
of RAM in BGA216 package



On-board ST-LINK/V2-1 SWD debugger, supporting USB reenumeration capability:
–

mbed™-enabled (mbed.org)

–

USB functions: USB virtual COM port, mass storage, debug port



4-inch 800x480 pixel TFT color LCD with MIPI DSI interface and capacitive touch
screen



SAI Audio DAC, with a stereo headphone output jack



Three MEMS microphones



MicroSD card connector



I2C extension connector



4Mx32bit SDRAM



128-Mbit Quad-SPI NOR Flash



Reset and wake-up buttons



4 color user LEDs



USB OTG FS with Micro-AB connector



Three power supply options:
–

ST-LINK/V2-1 USB connector

–

User USB FS connector

–

VIN from Arduino™ compatible connectors



Expansion connectors and Arduino™ UNO V3 connectors



Comprehensive free software including a variety of examples, part of STM32Cube
package



Supported by a wide choice of integrated development environments

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2

Product marking

Product marking
Evaluation tools marked as "ES" or "E" are not yet qualified and therefore they are not ready
to be used as reference design or in production. Any consequences deriving from such
usage will not be at ST charge. In no event, ST will be liable for any customer usage of
these engineering sample tools as reference design or in production.
"E" or "ES" marking examples of location:

3



On the targeted STM32 that is soldered on the board (for illustration of STM32 marking,
refer to the section “Package information” of the STM32 datasheet available at
www.st.com).



Next to the evaluation tool ordering part number, that is stuck or silk-screen printed on
the board.

Demonstration software
The demonstration software is preloaded in the STM32F469NIH6 Flash memory and in the
MICRON N25Q128A NOR Flash memory. The latest version of the demonstration source
code and associated documentation can be downloaded from the
www.st.com/stm32f4discovery webpage.

4

Order code
To order the Discovery kit based on the STM32F469NI MCU, use the order code:
STM32F469I-DISCO.

5

Technology partners
MICRON:


128-Mbit SDRAM device, part number MT48LC4M32B2



128-Mbit Quad-SPI NOR Flash memory device, part number N25Q128A

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Hardware layout and configuration

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Hardware layout and configuration
STM32F469I-DISCO evaluation board is designed around the STM32F469NIH6 (216-pin
TFBGA package). The Figure 3 illustrates the connection between STM32F469NIH6 and
peripherals (SDRAM, Quad-SPI Flash memory, color LCD, USB OTG connector, Audio, I2C
extension connector, microSD card and embedded ST-LINK). Figure 4: STM32F469IDISCO top side layout and Figure 5: STM32F469I-DISCO bottom side layout will help to
locate these features on the actual evaluation board.
Figure 3. Hardware block diagram
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Hardware layout and configuration
Figure 4. STM32F469I-DISCO top side layout
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Hardware layout and configuration

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Figure 5. STM32F469I-DISCO bottom side layout

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6.1

Hardware layout and configuration

Embedded ST-LINK/V2-1
The ST-LINK/V2-1 programming and debugging tool is integrated on the 
STM32469I-DISCO board. Compared to ST-LINK/V2 the new features supported on 
ST-LINK/V2-1 are:


USB software re-enumeration



Virtual COM port interface on USB



Mass storage interface on USB



USB power management request for more than 100mA power on USB

This feature is no more supported on ST-LINK/V2-1:


SWIM interface

For all general information concerning debugging and programming features common
between V2 and V2-1 please refer to ST-LINK/V2 User Manual UM1075.

6.1.1

Drivers
Before connecting STM32F469I-DISCO board to a Windows® 7, Windows® 8 or 
Windows® XP PC via USB, a driver for ST-LINK/V2-1 must be installed. It can be
downloaded from the www.st.com webpage.
In case the STM32F469I-DISCO board is connected to the PC before installing the driver,
the Windows device manager may report some USB devices found on STM32F469I-DISCO
as “Unknown”. To recover from this situation, after installing the dedicated driver
downloaded from the www.st.com webpage, the association of “Unknown” USB devices
found on STM32F469I-DISCO to this dedicated driver, must be updated in the device
manager manually. It is recommended to proceed using USB Composite Device line, as
shown in the below Figure 6.

Note:

Prefer using the “USB Composite Device” handle for a full recovery.
Figure 6. USB Composite device

6.1.2

ST-LINK/V2-1 firmware upgrade
ST-LINK/V2-1 facility for debug and flashing of the target microcontroller STM32F469NIH6
is integrated on STM32F469I-DISCO board. For its own operation, ST-LINK/V2-1 employs a
dedicated MCU with Flash memory. Its firmware determines ST-LINK/V2-1 functionality and
performance. The firmware may evolve during the life span of STM32F469I-DISCO to

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Hardware layout and configuration

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include new functionality, fix bugs or support new target microcontroller families. It is
therefore recommended to keep ST-LINK/V2-1 firmware up to date. The latest version is
available at www.st.com. ST-LINK/V2-1 supports a mechanism that allows flashing its
dedicated MCU via the USB interface on the hosting board, here STM32F469I-DISCO. The
whole process is controlled from a Windows PC application also available at www.st.com.

6.2

Power supply

6.2.1

Power supply sources
STM32F469I-DISCO board is designed to be powered by the following sources:


5 V DC from the ST-LINK/V2-1 USB connector CN1 with 500 mA current limitation.
Power mechanism of the board supplied by the USB ST-LINK/V2-1 is explained below
(Section 6.2.2: Supplying the board through ST-LINK/V2-1 USB port). Pins 3 and 4 of
jumper JP2 should be closed by placing a jumper in location called STLK on silkscreen
of the board. Jumper JP5 should be closed.The red LED LD5 is lighted on to confirm
the presence of +5 V voltage.



5 V DC from the user USB FS connector CN13. Pins 5 and 6 of jumper JP2 should be
closed by placing a jumper in location called USB on silkscreen of the board. Jumper
JP5 should be closed. The red LED LD5 is lighted on to confirm the presence of +5 V
voltage.



6 V to 9 V DC from VIN pin of Arduino™ compatible connector CN6. The voltage must
be limited to 9 V to keep the temperature of the regulator U10 within its thermal safe
area. Pins 1 and 2 of jumper JP2 should be closed by placing a jumper in location
called E5V on silkscreen of the board. Jumper JP5 should be closed. The red LED LD5
is lighted on to confirm the presence of +5 V voltage.

In case VIN, +5V is used to power the board, this power source must comply with the
standard EN-60950-1: 2006+A11/2009, and must be Safety Extra Low Voltage (SELV) with
limited power capability.

6.2.2

Supplying the board through ST-LINK/V2-1 USB port
To power the STM324F69I-DISCO board in this way, the USB host (a PC) gets connected
with the STM324F69I-DISCO board via USB cable to ST-LINK/V2-1 connector.
In the first step, only the ST-LINK part U3 is powered by the PC. In fact, before USB
enumeration the host PC provides only 100mA to the board at that time. STM324F69IDISCO board requests for 500mA power to the host PC. If the host is able to provide the
required power, the enumeration finishes by a “SetConfiguration” command and then, the
power switch ST890 U4 is switched ON, the red LED LD5 is turned ON, thus the board can
consume no more than 500mA. If the host is not able to provide such requested current, the
enumeration fails. Therefore the ST890 U4 remains OFF and the board will not be powered.
As a consequence the red LED LD5 remains turned OFF. In this case it is mandatory to use
another power supply source.

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Hardware layout and configuration
To do this, it is important to power the board before connecting it with the host PC, which
requires the following sequence to be respected:
1.

Set the jumper in JP2 header in E5V position.

2.

Connect an external power source to VIN pin 8 of Arduino connector CN6.

3.

Check the red LED LD5 is turned on.

4.

Connect host PC to USB connector CN1.

The ST890 power switch protects the USB port of the host against current demand
exceeding 600 mA, should a short-circuit occur on the board.
The STM32F469I-DISCO board can also be supplied from a USB power source not
supporting enumeration, such as a USB charger. In this particular case, the solder bridge
SB16 should be closed. ST-LINK/V2-1 turns the ST890 power switch U4 ON regardless of
enumeration procedure result and passes the power unconditionally to the board.

6.2.3

Measurement of current IDD drawn by the STM32F469NI
The jumper JP5 should be closed (default) to supply the STM32F469NI MCU. To measure
the current IDD drawn by the microcontroller STM32F469NIH6 only, remove the jumper JP5
and replace it by a multimeter.

6.2.4

Power related jumpers
The power supply is configured by setting the related jumpers JP2, JP5 and solder bridge
SB8 as described in Table 1: Power related jumpers.
Table 1. Power related jumpers
Jumper,
solder bridge

Description
JP5 IDD is used to measure STM32 current consumption manually by multimeter.
Default setting: Closed by a jumper

JP5

SB8

JP2

By default SB8 is closed to power +3V3 from regulator U7.
If the board is powered by the pin 1 of extension connector CN12 or by the pin 4 of
the Arduino connector CN6, it is mandatory to open SB8 to avoid reverse current
injection in regulator U7.
(Default setting): SB8 closed
JP2 is used to select one of the five possible power supply sources.
To supply the board from the ST-LINK/V2-1 USB connector CN1, JP2 should be set
as shown to the right:
(Default Setting)

DocID028183 Rev 2

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39

Hardware layout and configuration

UM1932

Table 1. Power related jumpers (continued)
Jumper,
solder bridge

Description
To supply the board from the User USB FS connector USB connector CN13, JP2
should be set as shown to the right:

To supply the board from the pin 8 VIN of the Arduino compatible connector CN6,
JP2 should be set as shown to the right:
JP2

To supply the board from pin1 of extension connector CN12 or from pin4 of the
Arduino compatible connector CN6, JP2 should be set as shown to the right (no
jumper):

6.3

Clock source

6.3.1

HSE clock source
By default the HSE clock source of the STM32F469NIH6 is the 8 MHz crystal X2. In that
case, zero ohm R131 is soldered, solder bridge SB19 is open.
It is possible to replace the crystal X2 by the 8 MHz output MCO from the circuit 
ST-LINK/V2-1 U3. In that case, 100 ohms resistor R35 should be soldered, zero ohm R131
should be removed, solder bridge SB19 should be closed. C26 is not necessary and
remains not populated.

6.3.2

LSE clock source
The 32.768 KHz crystal X3 is the clock source for the embedded RTC.

6.4

Reset source
The reset signal of STM32F469I-DISCO board is low active and the reset sources include:

14/40



Reset button B1, providing solder bridge SB1 is closed (default setting)



Embedded ST-LINK/V2-1, providing solder bridge SB2 is closed (default setting)



Arduino compatible connector CN6 pin 3



Extension connector CN12 pin 4

DocID028183 Rev 2

UM1932

6.5

Hardware layout and configuration

Audio outputs
An audio DAC CS43L22 U5 from Cirrus Logic outputs the audio to a stereo headphone jack
connector.
The digital audio interface SAI of STM32F469NIH6 is connected to the digital audio input
SDIN of the audio DAC. The STM32F469NIH6 controls the audio DAC via the I2C2 bus.
Note that I2C speed of the CS43L22 is 100 kHz max.
The PWM loudspeaker output SPKR_OUTA of the CS43L22 is available at pins 15 and 16
of the extension connector CN12. Each of the two terminals of the external loudspeaker
should be connected to pins 15 and 16 of CN2 respectively. Insure the terminals of the
loudspeaker are not connected to the ground.
The port PE3 STM32F469NIH6 enables the jack headphone output and/or the loudspeaker
SPKR_OUT. Providing the audio DAC registers are properly set, it allows to power down the
loudspeaker and/or the headphone outputs.
The I2C address of the audio DAC is 0x94.

6.6

Digital microphones
Three STMicroelectronics MP34DT01TR MEMS digital microphones are available on the
discovery board STM32F469I-DISCO. Two microphones can be used simultaneously in
stereo mode using PDM mode. By default the microphones U2 and U6 are used and
connected to the DFSDM of the STM32F469I microcontroller (solder bridges SB17 opened,
and SB18 closed). The PDM clock is generated at port PD13 while PDM data are received
by the microcontroller at port PD6.
Instead of using the pair of microphones U2 and U6, it is possible to use the pair of
microphones U2 and U1. To enable this possibility the solder bridge SB17 should be closed
and SB18 opened.
Solder bridges locations are shown in Figure 4: STM32F469I-DISCO top side layout .

6.7

USB OTG FS
An USB OTG full speed communication is available at connector CN13.
The STM32F469I-DISCO discovery board can be powered by the 5 V DC of this USB OTG
FS connection. When the STM32F469I-DISCO is USB host, it supplies the USB peripheral.
In this case the board must be supplied by any of the following sources: ST-LINK/V2-1 USB
connector CN1 or pin VIN of Arduino connector CN6. Refer to Section 6.2: Power supply for
more details on each supply source.
The green LED LD8 will be lit in one of these cases:


STM32F469I-DISCO works as an USB host and power switch U16 is switched ON.



VBUS is powered by another USB host when STM32F469I-DISCO works as an USB
device.

Red LED LD9 will be lit when an over-current occurs.

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Hardware layout and configuration

6.8

UM1932

MicroSD card
MicroSD card with 4 GB or more capacity can be inserted in the receptacle CN9. 4 bits of
the SDIO interface of the STM32F469NIH6 are used to communicate with the microSD
card. The card detection is read by the GPIO PG2: when a microSD card is inserted, the
logic level is 0, otherwise it is 1.

6.9

SDRAM
A 128-Mbit SDRAM MICRON MT48LC4M32B2B5-6A is accessible with the FMC interface
of the microcontroller STM32F469NIH6. The data bus is 32 bits wide.
The SDRAM is composed of four banks of 32 Mbits selected by the address bits A14 and
A15.
Each of the four banks is organized as 4096 rows by 256 columns by 32 bits. Raw and
column addresses are pre-selected using the CAS and RAS signals of the FMC bus.
The SDRAM is selected by SDNE0 and can be addressed from 0xC0000000 to
0xC0FFFFFF.

6.10

Quad-SPI NOR Flash memory
A 128-Mbit Quad-SPI NOR Flash memory (N25Q128A13EF840E from MICRON) is
connected to Quad-SPI interface of the STM32F469NIH6 microcontroller.

6.11

Virtual COM port
The serial interface USART3 is directly available as a virtual COM port of the PC connected
to the ST-LINK/V2-1 USB connector CN1. The virtual COM port settings are configured as:
115200 b/s, 8 bits data, no parity, 1 stop bit, no flow control.

6.12

Arduino connectors
CN5, CN6, CN7 and CN8 are female connectors compatible with Arduino standard. Most
shields designed for Arduino UNO rev.3 can fit to the STM32F469I-DISCO discovery board.

Caution:

The I/Os of STM32 microcontroller are 3.3 V compatible while Arduino UNO board is 5 V
compatible.
Table 2. Arduino compatible connectors
Connector

Pin

Pin name

MCU Pin

Function

LEFT connectors

CN6 Power

16/40

1

-

-

Not connected

2

IOREF

-

3.3V Ref

3

NRST

NRST

4

+3V3

-

DocID028183 Rev 2

Reset
+3.3V input/output(1)

UM1932

Hardware layout and configuration
Table 2. Arduino compatible connectors (continued)
Connector

CN6 Power

CN8 Analog

Pin

Pin name

MCU Pin

Function

5

+5V

-

+5V output

6

GND

-

Ground

7

GND

-

Ground

8

VIN

-

+6V to +9V power input(2)

1

A0

PB1

ADC12_IN9

2

A1

PC2

ADC12_IN12

3

A2

PC3

ADC12_IN13

4

A3

PC4

ADC12_IN14
(3)

5

A4

PC5 or PB9

6

A5

PA4 or PB8(3)

ADC12_IN15 or I2C1_SDA(3)
ADC12_IN4 or I2C1_SCL(3)

1. Before using pin4 of CN6 as +3.3V input, the solder bridge SB8 must be removed. Otherwise
the board STM32F469I-DISCO could be damaged by the overcurrent.
2. The external voltage applied to pin VIN should be in the range 6 to 9V at 25°C ambient
temperature. If a higher voltage is applied the regulator U10 may overheat and could be
damaged.
3. By default pin 5 and pin 6 of connector CN8 are PC5 and PA4 respectively. They are enabled
by the default configuration of solder bridges: SB10 and SB12 closed, SB9 and SB11 opened.
If necessary to have an I2C interface on pins 5 and 6 of connector CN8, change the
configuration solder bridges: open SB10 and SB12, close SB9 and SB11.

Table 3. Arduino compatible connectors
Function

MCU Pin

Pin name

Pin

Connector

RIGHT connectors
I2C1_SCL

PB8

D15

10

I2C1_SDA

PB9

D14

9

AVDD

-

AVDD

8

Ground

-

GND

7

SPI2_SCK

PD3

D13

6

SPI2_MISO

PB14

D12

5

TIM12_CH2, SPI2_MOSI

PB15

D11

4

TIM12_CH1, SPI2_CS

PH6

D10

3

TIM14_CH1

PA7

D9

2

-

PG10

D8

1

-

PG11

D7

8

TIM3_CH1

PA6

D6

7

TIM5_CH3

PA2

D5

6

PG12

D4

5

PA1

D3

4

TIM5_CH2

DocID028183 Rev 2

CN5 Digital

CN7 Digital

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Hardware layout and configuration

UM1932

Table 3. Arduino compatible connectors (continued)

6.13

Function

MCU Pin

Pin name

Pin

-

PG13

D2

3

USART6_TX

PG14

D1

2

USART6_RX

PG9

D0

1

Connector

CN7 Digital

Extension connector CN12
The extension connector CN12 is a 2.54 mm pitch header located at the bottom side of the
STM32F469I-DISCO discovery board. It is composed of 16 square pins of 0.64 mm
arranged in double row and it is compatible with usual connectors mating with 2.54 mm
headers, having 0.64 mm square posts. Pins 1, 2, 15 and 16 are marked on the silkscreen
of the PCB, pin 1 is signaled by a triangle as shown below:
Figure 7. Extension connector CN12

The extension connector gives access to the following communication buses and features:


CAN2



USART6 (TX, RX)



I2S2



SPI1



7 timer channels



2 ADC inputs



A 1W monophonic loudspeaker output



System signals: NRST, MCO1, ANTI-TAMP1



Power supply: +3V3, GND

The STM32F469NIH6 ports and extension connector pins numbers are detailed in the
following Table 4: Extension connector pinout:

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DocID028183 Rev 2

DocID028183 Rev 2

Extension
connector
pin

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

MCU Port

-

-

PA8

NRST

PB4

PC6

PA5

PC7

PB5

PB13

PA15

PB12

PC13

PC1

-

-

CAN2

-

-

-

-

-

-

-

-

Rx

Tx

-

Rx

-

-

-

-

USART6

-

-

-

-

-

Tx

-

Rx

-

-

-

-

-

-

-

-

I2S2

-

-

-

-

-

MCK

-

-

-

CK

-

WS

-

SD

-

-

SPI1

-

-

-

-

-

-

-

-

MOSI

-

NSS

-

-

-

-

-

TIMER

-

-

TIM1_
CH1

-

MISO

TIM3/TI
M8_
CH1

SCK

-

-

-

-

ADC

-

-

-

-

-

-

ADC1/AD
C2_IN5

-

-

-

-

-

-

ADC123
_IN11

-

-

+3V3

GND

MCO1

NRST

-

-

-

-

-

-

-

-

ANTI
TAMP1

-

SYSTEM

TIM3/
TIM2_
TIM3_ TIM1_
TIM1_
TIM8_
CH1/2
CH2 CH1N
BKIN
CH2
_ETR

UM1932

Table 4. Extension connector pinout

Speaker Speaker
OUTAN OUTAP

Hardware layout and configuration

19/40

Hardware layout and configuration

6.14

UM1932

DSI LCD
The LCD module is a 4-inch 800x480 TFT color LCD with capacitive touch panel. The LCD
is connected to the MIPI DSI interface of the microcontroller STM32F469NIH6 via the
connector CN10. The DSI (Display Serial Interface) is a specification of the MIPI Alliance
standard and defines the physical interface and the protocol used by the STM32F469NIH6
microcontroller to communicate with such LCD module.
The following ports of the microcontroller STM32F469NIH6 are dedicated to DSI interface:
DSI_D0_N, DSI_D0_P, DSI_CK_N, DSI_CK_P, DSI_D1_N, DSI_D1_P.
In addition to the DSI dedicated ports, the port PH7 of the microcontroller is used to reset
both the DSI LCD module and the capacitive touchscreen controller.
The port PJ2, connected to the LCD signal TE (Tearing Effect) is an input of the
microcontroller to synchronize the write access from the microcontroller with the LCD scan
refresh, to avoid visible artefacts on the display.
LEDK and LEDA signals of the LCD module are the cathode and anode of the backlight
LEDs.
This backlight requires a power supply voltage of typically 25 V generated from the +5 V by
a switching mode boost converter STLD40DPUR.
By controlling the EN pin of the STLD40DPUR by a low frequency PWM signal, it is possible
to switch on/off or to dim the backlight intensity of the LCD module. The control of EN can be
done by software or by hardware:


By default, the EN pin of the STLD40DPUR is controlled by the microcontroller
software through DSI commands and CABC signal generated by the LCD module. For
such default configuration the resistor R117 is soldered, R119 is not soldered.



The STM32F469I-DISCO discovery board offers the option to control the EN pin by
HW through port PA3. In such case, R117 should be removed and R119 soldered.
Table 5. DSI LCD module connector (CN10)

20/40

CN10

Signal

pin

name

1

Description

MCU pins
involved

ID

Not connect

-

2

GND

Ground

-

3

CABC

Content Adaptive Brightness Control

-

4

GND

Ground

-

5

RESX

Reset, active low

PH7

6

IOVCC

Digital supply voltage

+3V3

7

GND

Ground

-

8

HSSI_D0_N

MIPI-DSI data lane 0 negative-end I/O

DSI_D0_N

9

NC

Not connect

-

10

HSSI_D0_P

MIPI-DSI data lane 0 positive-end I/O

DSI_D0_P

11

GND

Ground

-

12

HSSI_CLK_N

MIPI-DSI clock lane negative-end input

DSI_CK_N

13

NC

Not connect

-

DocID028183 Rev 2

UM1932

Hardware layout and configuration
Table 5. DSI LCD module connector (CN10) (continued)

6.15

CN10

Signal

pin

name

14

Description

MCU pins
involved

HSSI_CLK_P

MIPI-DSI clock lane positive-end input

DSI_CK_P

15

GND

Ground

-

16

HSSI_D1_N

MIPI-DSI data lane 1 negative-end input

DSI_D1_N

17

NC

Not connect

-

18

HSSI_D1_P

MIPI-DSI data lane 1 positive-end input

DSI_D1_P

19

GND

Ground

-

20

NC/ERR

Not connect

-

21

VCC

Analog circuitry power supply

+3V3

22

TE

Tearing effect output pin to synchronize MCU to
frame writing

PJ2

23

LEDK

Backlight LED Cathode

-

24

LEDA

Backlight LED Anode

-

25

GND

Ground

-

Buttons and LEDs
The black button B1 located bottom side is the reset of the microcontroller
STM32F469NIH6. Refer to the Figure 5: STM32F469I-DISCO bottom side layout .
The blue button B2 located bottom side is available to be used as a digital input or as
alternate function Wake-up. When the button is depressed the logic state is 1, otherwise the
logic state is 0.
Four LEDs located top side are available for the user. Refer to the Figure 4: STM32F469IDISCO top side layout . The LEDs are LD1, LD2, LD3, LD4 from left to right with colors
green, orange, red, blue respectively. To light a LED a low logic state 0 should be written in
the corresponding GPIO.Table 6 gives the assignment of control ports to the LED indicators.
Table 6. Port assignment for control of LED indicators
LED

Controlled by MCU port

Color

LD1

PG6

Green

LD2

PD4

Orange

LD3

PD5

Red

LD4

PK3

Blue

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39

Hardware layout and configuration

6.16

UM1932

I2C extension connector CN11
Figure 8. I2C extension connector (front view)








069

Table 7. I2C extension connector pinout

6.17

Pin number

Description

Pin number

Description

1

I2C1_SDA (PB9)

5

+3V3

2

NC

6

NC

3

I2C1_SCL (PB8)

7

GND

4

EXT_RESET(PB0)

8

NC

USB OTG FS Micro-AB connector CN13
Figure 9. USB OTG FS Micro-AB connector CN13 (front view)

Table 8. USB OTG FS Micro-AB connector CN13

22/40

Pin number

Description

Pin number

Description

1

VBUS (PA9)

4

ID (PA10)

2

DM (PA11)

5

GND

3

DP (PA12)

-

-

DocID028183 Rev 2

UM1932

6.18

Hardware layout and configuration

MicroSD connector CN9
Figure 10. MicroSD connector CN9 (front view)

Table 9. MicroSD connector CN9
Pin
number

Description

Pin
number

Description

1

SDIO_D2 (PC10)

6

GND

2

SDIO_D3 (PC11)

7

SDIO_D0 (PC8)

3

SDIO_CMD (PD2)

8

SDIO_D1 (PC9)

4

+3.3V

9

GND

5

SDIO_CLK (PC12)

10

MicroSDcard_detect (PG2)

DocID028183 Rev 2

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39

Hardware layout and configuration

6.19

UM1932

ST-LINK/V2-1 USB Mini Type B connector CN1
The USB connector CN1 is used to connect the embedded ST-LINK/V2-1 to the PC.
Figure 11. USB type Mini B connector CN1 (front view)

Table 10. USB Mini type B connector CN1

6.20

Pin number

Description

Pin number

Description

1

VBUS (power)

4

GND

2

DM

5,6

Shield

3

DP

-

-

Audio jack CN3
A 3.5 mm stereo audio jack CN3 is available on STM32F469I-DISCO discovery board to
connect a headphone.

24/40

DocID028183 Rev 2

Schematics

UM1932

7

Figure 12. STM32F469I-DISCO Discovery board
U_MCU
MCU.SchDoc
I2C1_SCL
I2C1_SDA

ZZ2
U_AUDIO2
AUDIO2.SchDoc

12mm long plastic standoff

I2C2_SCL
I2C2_SDA

ZZ3
12mm long plastic standoff

SPKR_OUTAP
SPKR_OUTAN

SPKR_OUTAP
SPKR_OUTAN
SPKR/HP
U_DSI_LCD
DSI_LCD.SchDoc

ZZ4
12mm long plastic standoff

I2C1_SCL
I2C1_SDA

ZZ5
12mm long plastic standoff

I2C2_SCL
I2C2_SDA

SAI1_SCKA
SAI1_FSA
SAI1_SDA
SAI1_MCLKA
MIC_CK
MIC_DATA
AUDIO_RST

SAI1_SCKA
SAI1_FSA
SAI1_SDA
SAI1_MCLKA
MIC_CK
MIC_DATA
AUDIO_RST
Matched Net Lengths [Tolerance = 100mil]
pair differential impedance 100 ohms
DSI
DSI i
DSI i
DSI i
DSI i
DSI i
i

DSI_CK_P
DSI_CK_N
DSI_D0_P
DSI_D0_N
DSI_D1_P
DSI_D1_N
DSI_TE
LCD_INT
LCD_BL_CTRL
LCD_RESET

DSI_CK_P
DSI_CK_N
DSI_D0_P
DSI_D0_N
DSI_D1_P
DSI_D1_N
DSI_TE
LCD_INT
LCD_BL_CTRL
LCD_RESET
SPKR/HP

DocID028183 Rev 2

2.5mm diameter plastic screw

U_QSPI
QSPI.SchDoc
QSPI_CLK
QSPI_BK1_NCS
QSPI_BK1_IO0
QSPI_BK1_IO1
QSPI_BK1_IO2
QSPI_BK1_IO3

2.5mm diameter plastic screw

ZZ8

Matched Net Lengths [Tolerance = 100mil]
QSPI
QSPI
i
i QSPI
i QSPI
i QSPI
QSPI
i
i

Same length 133MHz clock
NRST

U_Peripherals
Peripherals.SchDoc

2.5mm diameter plastic screw

U_Memory
Memory.SchDoc
A[0..11]
A[14..15]
D[0..31]
SDCLK
SDNE0
SDNRAS
SDNCAS
SDNWE
SDCKE0
FMC_NBL0
FMC_NBL1
FMC_NBL2
FMC_NBL3

EXT_RESET

U_Arduino_ Connectors
Arduino_ Connectors.SchDoc
ARD_A0
ARD_A1
ARD_A2
ARD_A3
ARD_A4
ARD_A5
ARD_D0
ARD_D1
ARD_D2
ARD_D3
ARD_D4
ARD_D5
ARD_D6
ARD_D7
ARD_D8
ARD_D9
ARD_D10
ARD_D11
ARD_D12
ARD_D13

ARD_A0
ARD_A1
ARD_A2
ARD_A3
ARD_A4
ARD_A5
ARD_D0
ARD_D1
ARD_D2
ARD_D3
ARD_D4
ARD_D5
ARD_D6
ARD_D7
ARD_D8
ARD_D9
ARD_D10
ARD_D11
ARD_D12
ARD_D13

QSPI_CLK
QSPI_BK1_NCS
QSPI_BK1_IO0
QSPI_BK1_IO1
QSPI_BK1_IO2
QSPI_BK1_IO3

2.5mm diameter plastic screw

ZZ9

Matched Net Lengths [Tolerance = 250mil]
SDRAM 90MHz
SDRAM 90MHz
i
SDRAM 90MHz
i
SDRAM 90MHz
i
SDRAM 90MHz
i
i SDRAM 90MHz
SDRAM 90MHz
i
SDRAM 90MHz
i
i

500MHz clock diff pairs

ZZ6

ZZ7

A[0..11]
A[14..15]
D[0..31]
SDCLK
SDNE0
SDNRAS
SDNCAS
SDNWE
SDCKE0
FMC_NBL0
FMC_NBL1
FMC_NBL2
FMC_NBL3

I2C1_SDA
I2C1_SCL

NRST

U_ExtensionConnector
ExtensionConnector.SchDoc
MCO1
PB4
PA5
PB5
PA15
PC13
PC6
PC7
PB13
PB12
PC1

MCO1
PB4
PA5
PB5
PA15
PC13
PC6
PC7
PB13
PB12
PC1

SPKR_OUTAP
SPKR_OUTAN

SPKR_OUTAP
SPKR_OUTAN

EXT_RESET

NRST
I2C1_SCL
I2C1_SDA

4 holes for 2.5 mm diameter screws
Hole diameter = 3 mm, pad diameter= 5.5 mm

H3

H2

H4

H1

LED1
LED2
LED3
LED4

LED1
LED2
LED3
LED4

24MHz clock

uSD_CLK
uSD_CMD
uSD_D0
uSD_D1
uSD_D2
uSD_D3
uSD_Detect
WAKEUP

U_USB_OTG_FS
USB_OTG_FS.SchDoc

uSD_CLK
uSD_CMD
uSD_D0
uSD_D1
uSD_D2
uSD_D3
uSD_Detect
WAKEUP

differential pair
USB_FS1_P
USB_FS1_N
USB_FS1_ID

OTG_FS1_PowerSwitchOn
OTG_FS1_OverCurrent

USB_FS1_P
USB_FS1_N

USB_FS1_P
USB_FS1_N

NRST

U_ST_LINK_V2-1
ST_LINK_V2-1.SCHDOC
STLK_TX
STLK_RX
SWCLK
SWDIO
SWO
STLK_MCO

STLK_TX
STLK_RX

10MHz clock
8MHz clock

SWCLK
SWDIO
SWO
STLK_MCO

NRST

i
track shielded with GND tracks each side.
U_Power
Power.SchDoc
i
Refer to example drawing in STLINK page

USB_FS1_ID
OTG_FS1_PowerSwitchOn
OTG_FS1_OverCurrent

25/40

Project: STM32F469I-DISCO
Size: A3

Reference: MB1189

Date: 7/22/2015

Revision: B-07
Sheet: 1 of 12

Schematics

Note: Text in italic placed on a wire is not the net name. It just helps to identify rapidly
MCU IO related to this wire.
Title: MB1189

Schematics

26/40

Figure 13. STM32F469I-DISCO MCU

SDNWE

PA0

WAKEUP
ARD_D3
ARD_D5

PA1
PA2

ARD_A5

PA4

ARD_D6

PA6

ARD_D9

PA7

MCO1

PA8

PC2

PA5

PA5

USB_FS1_ID
USB_FS1_N
USB_FS1_P

to EXT Connector

PA15

PB0
PB1
PB2
PB3
PB4
PB5
PB6
PB7
PB8
PB9
PB10
PB11
PB12
PB13
PB14
PB15

R5
R4
M5
A10
A9
A8
B6
B5
A7
B4
P12
R13
L13
K14
R14
R15

PC14
PC15

E1
F1

PH0
PH1

G1
H1

to EXT Connector
PB4
to EXT Connector
PB5
QSPI_BK1_NCS
OTG_FS1_OverCurrent

Closed by default
SB7
Open by default

SWO

N3
N2
P2
R2
N4
P4
P3
R3
F15
E15
D15
C15
B15
A15
A14
A13

EXT_RESET
ARD_A0
OTG_FS1_PowerSwitchOn

SB6

I2S3_CK

PA0
PA1
PA2
PA3
PA4
to EXT Connector PA5
PA6
PA7
to EXT Connector PA8
PA9
VBUS_FS1
PA10
USB_FS1_N
PA11
USB_FS1_P
PA12
PA13
SWDIO
PA14
SWCLK
PA15

I2C1_SCL
I2C1_SDA
STLK_RX
STLK_TX

R140 1K5

+3V3

1K5

C93

to EXT Connector
PB12
to EXT Connector
PB13
ARD_D12
ARD_D11

R132

3.0pF

0
X3
NX3215SA-32.768K
C94

R133

3.0pF

NRST

0
R131

J1

BOOT0

E6

PJ0
PJ1
PJ2
PJ3
PJ4
PJ5
PJ12
PJ13
PJ14
PJ15
PK3
PK4
PK5
PK6
PK7

DSI_CK_P
PC14-OSC32_IN
DSI_CK_N
PC15-OSC32_OUT
DSI_D0_P
PH0-OSC_IN
DSI_D0_N
PH1-OSC_OUT
DSI_D1_P
DSI_D1_N
NRST
BOOT0

PDR_ON

M2
M3
M4
L4
N5
P5
H15
G15
G14
F14
B14
B13
A12
D1

PC0
PC1
PC2
PC3
PC4
PC5
PC6
PC7
PC8
PC9
PC10
PC11
PC12
PC13

PC5

ARD_A3
ARD_A4
U14B

to EXT Connector
to EXT Connector
PC8
PC9 R135
PC10
PC11
PC12
to EXT Connector

0

PJ0
PJ1
PJ2
PJ3
PJ4
PJ5

B10
B9
C9
D10

PJ12
PJ13
PJ14
PJ15

D8
D7
C6
C5
C4

PK3
PK4
PK5
PK6
PK7

H12
H13

MIC_DATA

R143

R150

510

[N/A]

+3V3

R87
MIC_CK
DSI_TE

Close to MCU
LCD_INT

FMC_NBL0
FMC_NBL1
AUDIO_RST
SPKR/HP
SAI1_FSA
SAI1_SCKA
SAI1_SDA

LED4

DSI_D0_P
DSI_D0_N
DSI_D1_P
DSI_D1_N

E5
QSPI_BK1_IO3
QSPI_BK1_IO2
QSPI_BK1_IO0
QSPI_BK1_IO1
QSPI_CLK
SDNRAS

R149

10K

R144

[N/A]

8.2pF close to MCU

SB19
STLK_MCO

U14C
VDD_MCU

PH0

Open by default

VDD_MCU
L5
BEAD(FCM1608KF-601T03)
VDD_MCU

VDD_MCU
C72
100nF

C88
100nF

C90
100nF

C54
100nF

C84
100nF

C53
100nF

C71
100nF

C75
100nF

C60
4.7uF

VDDA
C98
4.7uF

C65
1uF

VDDA
C77
100nF

R123
0

DSI_VDD12
VDD_MCU

VREF+
C69
100nF

C95
100nF

C68
100nF

C91
100nF

C73
100nF

C89
100nF

C92
100nF

C70
100nF

C80
1uF

VDD_MCU

DSI_VDD12
C78
100nF

C86
1uF

SB14
Closed by default
C87
100nF

L10
F11
E7
K5
H5
L8
L9
J11
G11
E9
E8
J5
F4
K11
E10
F5
G5
L7
R1
P1

VREF+

C74
100nF

D13 PD8
D14 PD9
D15 PD10
PD11
I2S3_CK
PD13
0
D0 PD14
D1 PD15
TP1

PC13

DSI_CK_P
DSI_CK_N

J12
J13
F12
F13

PD2
PD3
PD4
PD5
PD6
PD7

ARD_D13
LED2
LED3

R87 and R135 are for reserved use
R6
R7
P7
N8
M9
M14

B12
C12
D12
C11
D11
C10
B11
A11
L15
L14
K15
N10
PD12 M10
M11
L12
K13

PD0
PD1

uSD_CMD

uSD_D0
uSD_D1
uSD_D2
uSD_D3
uSD_CLK

+3V3
SB15
Closed by default

C67
100nF

D2
D3

PC6
PC7

STM32F469NIH6

0

X2
NX3225GD-8.00M

C83

NRST

PB0
PB1
PB2
PB3
PB4
PB5
PB6
PB7
PB8
PB9
PB10
PB11
PB12
PB13
PB14
PB15

2

C85 8.2pF

1

DocID028183 Rev 2

R142

ARD_A2

PC4

PA0-WKUP
PC0
PA1
PC1
PA2
PC2
PA3
PC3
PA4
PC4
PA5
PC5
PA6
PC6
PA7
PC7
PA8
PC8
PA9
PC9
PA10
PC10
PA11
PC11
PA12
PC12
PA13
PC13-ANTI_TAMP
PA14
PA15

PC1

ARD_A1

PC3
U14A

PA3

LCD_BL_CTRL

to EXT Connector

PC1

H11
G13
K12
G12

C81
2.2uF

VDD1
VSS1
VDD2
VSS2
VDD3
VSS3
VDD4
VSS4
VDD5
VSS5
VDD6
VSS6
VDD7
VSS7
VDD8
VSS8
VDD_USB33
VSS9
VDD10
VSS10
VDD11
VSS11
VDD12
VSS12
VDD13
VSS13_VSS18
VDD14
VSS14
VDD15
VSS15
VDD17
VSS17
VDD18
VDD19
VSS19
VSS20
VDDA
VREF+
VSSA
VREFVDD_VREGDSI
VBAT
DSI_VDD12 BYPASS-REG
DSI_VCAP
VCAP1
DSI_VSS
VCAP2

PE0
PE1
PE2
PE3
PE4
PE5
PE6
D4
D5
D6
D7
D8
D9
D10
D11
D12

PE7
PE8
PE9
PE10
PE11
PE12
PE13
PE14
PE15

A6
A5
A3
A2
A1
B1
B2
R8
N9
P9
R9
P10
R10
R12
P11
R11

A0
A1
A2
A3
A4
A5

PF0
PF1
PF2
PF3
PF4
PF5
PF6
PF7
PF8
PF9
PF10
PF11
PF12
PF13
PF14
PF15

D2
E2
G2
H2
J2
K3
K2
K1
L3
L2
L1
P8
M6
N6
P6
M8

A6
A7
A8
A9

K9
F10
F6
K6
H6
K7
K8
J10
G10
F8
F7
J6
F2
K10
F9
G6

PD0
PD1
PD2
PD3
PD4
PD5
PD6
PD7
PD8
PD9
PD10
PD11
PD12
PD13
PD14
PD15

PG0
PG1
PG2
PG3
PG4
PG5
PG6
PG7
PG8
PG9
PG10
PG11
PG12
PG13
PG14
PG15

PE0
PE1
PE2
PE3
PE4
PE5
PE6
PE7
PE8
PE9
PE10
PE11
PE12
PE13
PE14
PE15

PH2
PH3
PH4
PH5
PH6
PH7
PH8
PH9
PH10
PH11
PH12
PH13
PH14
PH15

PF0
PF1
PF2
PF3
PF4
PF5
PF6
PF7
PF8
PF9
PF10
PF11
PF12
PF13
PF14
PF15

PI0
PI1
PI2
PI3
PI4
PI5
PI6
PI7
PI8-ANTI_TAMP2
PI9
PI10
PI11
PI12
PI13
PI14
PI15

N7
M7
M13
M12
N12
N11
J15
J14
H14
D9
C8
B8
C7
B3
A4
B7

PG0
PG1
PG2
PG3
PG4
PG5
PG6
PG7
PG8
PG9
PG10
PG11
PG12
PG13
PG14
PG15

A10
A11
uSD_Detect
A14
A15
LED1
SAI1_MCLKA
SDCLK
ARD_D0
ARD_D8
ARD_D7
ARD_D4
ARD_D2
ARDUINO USART6_TX
ARD_D1
SDNCAS

ARDUINO USART6_RX

PH3
K4 PH2
J4
H4
J3
P13
N13
P14
N14
P15
N15
M15
E12
E13
D13

R121
R124

SDCKE0
PH4
PH5
PH6
PH7
PH8
PH9
PH10
PH11
PH12
PH13
PH14
PH15

I2C2_SCL
I2C2_SDA

SDNE0
+3V3
I2C2 to codec:
<100kHz
ARD_D10

D16
D17
D18
D19
D20
D21
D22
D23

PI0 D24
PI1 D25
PI2 D26
PI3 D27
PI4
PI5
PI6 D28
PI7 D29
PI8
PI9 D30
PI10 D31
PI11
PI12
PI13
PI14
PI15

E14
D14
C14
C13
C3
D3
D6
D4
C2
E4
D5
F3
E3
G3
H3
G4

2K2
2K2

LCD_RESET

FMC_NBL2
FMC_NBL3

STM32F469NIH6

D[0..31]
A[0..11]
A[14..15]

D[0..31]
A[0..11]
A[14..15]

L6
H10
M1
N1
C1
L5

R122

+3V3

10K

L11
E11

STM32F469NIH6
C96
2.2uF

C76
2.2uF

Ceramic capacitor (Low ESR)

Title: MCU
Project: STM32F469I-DISCO

Ceramic capacitor (Low ESR)

Size: A3

Reference: MB1189

Date: 7/22/2015

Revision: B-07
Sheet: 2 of 12

UM1932

MCO1

DocID028183 Rev 2

PB4
PA5
PB5
PA15
PC13

MCO1 clock, TIM1_CH1

+3V3

SPI1_MISO, TIM3_CH1
SPI1_SCK, TIM2/TIM8_CH1, ADC1/ADC2_IN5
SPI1_MOSI, TIM3_CH2, I2C1_SMBA, CAN2_RX
SPI1_NSS, TIM2_CH1/2_ETR
ANTI TAMP1
SPKR_OUTAN

UM1932

Figure 14. Extension connectors

CN12
1
3
5
7
9
11
13
15

2
4
6
8
10
12
14
16

TSM-108-01-x-DV

NRST

USART6_TX, I2S2_MCK, TIM3/TIM8_CH1
USART6_RX, TIM3/TIM8_CH2
I2S2_CK, CAN2_TX, USART3_CTS, TIM1_CH1N
I2S2_WS, CAN2_RX, TIM1_BKIN
I2S2_SD, ADC123_IN11

PC6
PC7
PB13
PB12
PC1

SPKR_OUTAP

post heigth: 5.84mm

Extension connector interfaces

Title: Extension Connectors
Project: STM32F469I-DISCO
Size: A4

Reference: MB1189

Date: 7/22/2015

Revision: B-07
Sheet: 3 of 12

Schematics

27/40

Schematics

28/40

Figure 15. Power

JP1
TSM-102-01-x-SV

U10
LD1117S50TR
3

Vin

E5V

DocID028183 Rev 2

1
3
5

U5V_ST_LINK
VBUS_FS1

3

Vin

C35
10uF

JP2

E5V

U8
LD1117S18TR

+3V3

2
4

1

C36
10uF(25V)

Vout
Tab

Vout
Tab

+1V8
2
4

1

Arduino power pin VIN

+5V

R7

2
4
6

LD5
red
1

C32
10uF

2

820

TSM-103-01-x-DV

U7

+5V
3

LD1117S33TR
2
Vout
4
Tab

Vin

SB8
C37
10uF

+3V3

JP5

VDD_MCU

Closed by default

1

C29
10uF

Open solder bridge if supplied
from pin1 of extension connector

TSM-102-01-x-SV
C41
100nF

Title: Power
Project: STM32F469I-DISCO
Size: A4

Reference: MB1189

Date: 7/22/2015

Revision: B-07
Sheet: 4 of 12

UM1932

Button

Reset Button

+3V3

LEDs

+3V3
+3V3

R10
R6
100K

1

SB1
Closed by default

2

3

4

NRST

1

B2
WKUP

R18

B1
TD-0341 [RESET/Black]

C3
100nF

WAKEUP

3

R19
220K

PA0

330

LD1
Green
1
2
LD2
Orange
1
2
LD3
Red
1
LD4
Blue
1

2

4

100

C4
[N/A]

UM1932

Figure 16. Peripherals

R2

PG6

LED1

PD4

LED2

PD5

LED3

PK3

LED4

510
R3
680

2

R4
680

2

R5
680

Wakeup Button

The 4 LEDs are top side

DocID028183 Rev 2

+3V3

MICRO SD
(TF) Card

R120
47K

R114
47K

R86
47K

R116
47K

EXT/RF E2P Connector
R115
47K
+3V3

uSD_D1
uSD_D0
uSD_D3
uSD_D2
uSD_CLK
uSD_CMD

PC9
PC8
PC11
PC10
PC12
PD2
I2C1_SDA
I2C1_SCL

PB9
PB8

I2C1_SDA
I2C1_SCL

1
2
3
4
5
6
7
8

+3V3
CN9
PJS008-2000
SMS064FF or SMS128FF

CN11
1
3
5
7

2
4
6
8

PB0

EXT_RESET

9
10

SW2
SW1

F206A-2*04MGF-A
SSM-104-L-DH (Samtec)

uSD_Detect

PG2

R57
0
Title: Peripherals
Project: STM32F469I-DISCO
Size: A4

Reference: MB1189

Date: 7/22/2015

Revision: B-07
Sheet: 5 of 12

Schematics

29/40

Schematics

30/40

Figure 17. Audio codec and microphone MEMS

R39
51

R40
51

2x20mW stereo headphone output
R23

C20
22nF

C21
22nF

0

GND
3 CN3
6
4
2

R46

PE3
0

I2C2_SDA
I2C2_SCL

DocID028183 Rev 2

SAI1_MCLKA
SAI1_SCKA
SAI1_SDA
SAI1_FSA
AUDIO_RST

+3V3

PH5
PH4

I2C2_SDA
I2C2_SCL

PG7
PE5
PE6
PE4
PE2

SAI1_MCK
SAI1_SCK
SAI1_SD
SAI1_FS
AUDIO_RST

1
2
3
37
38
39
40
32

R1
R48
47K

10K
C1
100nF

U2
1
5

VDD
GND

LR
CLK
DOUT

2
3
4

10
11
C18

C22
1uF

12
1uF
13
16
34
C17
C31
1uF

PD13

U1
C2
100nF

5

VDD
GND

LR
CLK
DOUT

2
3
4

HP/LINE_OUTA
HP/LINE_OUTB
SPKR/HP

MCLK
SCLK
SDIN
LRCK
RESET
-VHPFILT
FLYN

SPKR_OUTA+
SPKR_OUTASPKR_OUTB+
SPKR_OUTBVP
VP

FLYP

+1V8

MP34DT01TR

1

SDA
SCL
A0

SB17
Open by default

MP34DT01TR

PD6

MIC_CK
MIC_DATA

C16

C30 +3V3

100nF 100nF 100nF
C25
100nF

20
36
33
35
41

+VHP
VA
VD
TSTO
TSTO
VL
DGND
GND/Thermal Pad
CS43L22

AIN1B
AIN1A
AIN2B
AIN2A
AIN3B
AIN3A
AIN4B
AIN4A
VQ
AFILTB
AFILTA
FILT+
AGND

PJ3028B-3
SPKR/HP

R47
47K

U5
15
14
31

R24
0

GND
4
6
7
9
8
5

SPKR_OUTAP
SPKR_OUTAN
+3V3

C23
100nF

30
29
26
25
24
23
22
21
19
28
27
18
17

1W max loudspeaker output to extension connector

150pF_NPO_5%_0603
150pF_NPO_5%_0603
C15
10uF

C24

C27

C19
1uF

I2C address 0x94
I2C speed: 100kHz max

U6
1
5

VDD

LR
CLK
DOUT

2
3
4

SB18
Closed by default
MP34DT01TR
Located 21mm from U2 (axis to axis)
GND

Title: Audio Codec and Microphone MEMS
Project: STM32F469I-DISCO
Size: A4

Reference: MB1189

Date: 7/22/2015

Revision: B-07
Sheet: 6 of 12

UM1932

UM1932

Figure 18. 4-inch DSI LCD board

CN10
DSI_CK_N
DSI_CK_P
DSI_D0_N
DSI_D0_P
DSI_D1_N
DSI_D1_P

BLVDD

PJ2

DSI_TE
L3
BEAD
Z1

4.7uH(1A)

C79
4.7uF/50V

VL

C64
100nF

C63
10nF

STPS1L40M
8
1
7
3
9

R117

CABC

DocID028183 Rev 2

LCD_BL_CTRL

6
5

R119

HSSI_D0_N
HSSI_D0_P

8
10

HSSI_D1_N
HSSI_D1_P

16
18

TE

22

LCD_RST

5

CABC

3

A
K

24
23

BLGND

1
9
13
17
20

BLGND

4
2

STLD40DPUR

0

PA3

SW
Vo
Vi
NC
EN
GND
FB
PGND Rset

12
14

C66
10nF

U13

BLGND

LCD_BL_CTRL

VH

L4
C61
4.7uF/10V

HSSI_CLK_N
HSSI_CLK_P

+3V3
R59
100K

R58
10

C82
C97
100nF 4.7uF

[N/A]

+3V3

BLGND
R118
4K7

Backlight driver & PFC connector for LCD panel

21
6
2
4
7
11
15
19
25

HSSI_CLK_N
HSSI_CLK_P
+3V3

HSSI_D0_N
HSSI_D0_P
HSSI_D1_N
HSSI_D1_P

R34
100K

TE
RESX

LCD_RST

CABC

PH7

LCD_RESET

open drain

LEDA
LEDK
ID
NC
NC
NC
NC/ERR
SB13
Open by default

VCC
IOVCC
GND
GND
GND
GND
GND
GND
GND

BLVDD
+5V

L1
BEAD(FCM1608KF-601T03)
L2
BEAD(FCM1608KF-601T03)

C56
10uF

C55
100nF
BLGND

FH26-25S-0.3SHW
FPC03025-14201(ATOM)
ZIF connector placed BOTTOM SIDE
+3V3

R36
4K7
I2C1_SCL
I2C1_SDA

PB8
PB9

LCD_INT

PJ5

CN2
3
4
LCD_INT
LCD_RST
+3V3

2
5
1
6

C6
100nF

SCL
SDA
INT
RESET
VDD
GND

ZZ1
LCD P/N: KM-040TMP-02-A
4 inches DSI LCD display

FH19C-6S-05SH
FPC05006-09200(ATOM)
Touch panel connector for LCD panel
ZIF connector placed BOTTOM SIDE

I2C Address:0x54

Mechanical: 2 Slots in PCB for the 2 flex from LCD

Title: 4 inch DSI LCD board
Project: STM32F469I-DISCO
Size: A4

Reference: MB1189

Date: 7/22/2015

Revision: B-07
Sheet: 7 of 12

Schematics

31/40

D[0..31]
A[0..11]
A[14..15]

Schematics

32/40

Figure 19. SDRAM

D[0..31]
A[0..11]
A[14..15]
U11

Test points are round pads with 1 to 1.27mm diameter bottom side
Close to Memory
TP2

SDNWE
SDNCAS
SDNRAS
SDNE0
SDCKE0
SDCLK

TP3

H9
G7
J3
H2
H1
G3
G2
G1
F3
F7
G9
G8

A15
A14

H8
J7

A11
A10
A9
A8
A7
A6
A5
A4
A3
A2
A1
A0
BA1
BA0

D0

PC0
PG15
PF11
PH3
PH2
PG8

K8
K7
J9
J8
J2
J1

PI5
PI4
PE1
PE0

WE#
CAS#
RAS#
CS#
CKE
CLK

F2
F8
K1
K9

DQM3
DQM2
DQM1
DQM0

E3
E7
H3
H7
K3
K2

NC
NC
NC
NC
NC
NU

B2
B7
C9
D9
E1
L1
M9
N9
P2
P7

+3V3

VDDQ
VDDQ
VDDQ
VDDQ
VDDQ
VDDQ
VDDQ
VDDQ
VDDQ
VDDQ

A7
F9
L7
R7

VDD
VDD
VDD
VDD

DQ31
DQ30
DQ29
DQ28
DQ27
DQ26
DQ25
DQ24
DQ23
DQ22
DQ21
DQ20
DQ19
DQ18
DQ17
DQ16
DQ15
DQ14
DQ13
DQ12
DQ11
DQ10
DQ9
DQ8
DQ7
DQ6
DQ5
DQ4
DQ3
DQ2
DQ1
DQ0
VSSQ
VSSQ
VSSQ
VSSQ
VSSQ
VSSQ
VSSQ
VSSQ
VSSQ
VSSQ
VSS
VSS
VSS
VSS

E2
D3
D2
B1
C2
A1
C3
A2
A8
C7
A9
C8
B9
D8
D7
E8

D31
D30
D29
D28
D27
D26
D25
D24
D23
D22
D21
D20
D19
D18
D17
D16

R2
N3
R1
N2
P1
M2
M3
L2
L8
M7
M8
P9
N8
R9
N7
R8

D15
D14
D13
D12
D11
D10
D9
D8
D7
D6
D5
D4
D3
D2
D1
D0

B3
B8
C1
D1
E9
L9
M1
N1
P3
P8
A3
F1
L3
R3

+3V3
C46
C43
C50
C47
C45
C48
C59
C51
C44
C52
C58
C42
C57
C49

MICRON MT48LC4M32B2B5-6A

SDRAM

100nF
100nF
100nF
100nF
100nF
100nF
100nF
100nF
100nF
100nF
100nF
100nF
100nF
100nF

DocID028183 Rev 2

FMC_NBL3
FMC_NBL2
FMC_NBL1
FMC_NBL0

TP4

A11
A10
A9
A8
A7
A6
A5
A4
A3
A2
A1
A0

Place close SDRAM

Title: SDRAM
Project: STM32F469I-DISCO
Size: A4

Reference: MB1189

Date: 7/22/2015

Revision: B-07
Sheet: 8 of 12

UM1932

UM1932

Figure 20. QSPI

Test points are round pads with 1 to 1.27mm diameter bottom side
Close to QSPI memory

TP5

TP6

+3V3

TP7

+3V3

DocID028183 Rev 2

R55
10K
QSPI_BK1_NCS

PB6

QSPI_BK1_NCS

QSPI_CLK

PF10

QSPI_CLK

QSPI_BK1_IO0

PF8

QSPI_BK1_IO0

QSPI_BK1_IO1

PF9

QSPI_BK1_IO1

QSPI_BK1_IO2

PF7

QSPI_BK1_IO2

QSPI_BK1_IO3

PF6

QSPI_BK1_IO3

U12
1
6
5
2
3
7

S#
C
DQ0
DQ1
DQ2/Vpp/W#
DQ2/V
/ pp/W#
DQ3/HOLD#
DQ3/H
/ OLD#

VCC

8
C62
100nF

VSS

4

MICRON N25Q128A13EF840F
Exposed central pad should not be connected to any voltage on PCB

Title: QSPI
Project: STM32F469I-DISCO
Size: A4

Reference: MB1189

Date: 7/22/2015

Revision: B-07
Sheet: 9 of 12

Schematics

33/40

+3V3

Schematics

34/40

Figure 21. USB OTG FS

+3V3
R158
680

PB7

1

PB2

R151

0

2
5
4

+5V

GND FAULT
IN
OUT
EN
STMPS2151STR

R152
10K

3
1

LD9
Red
R156

OTG_FS1_OverCurrent

0

CN13
1
2
3
4
5

C101
4.7uF

VBUS
DM
DP
ID
GND
Shield
Shield
Shield
Shield
EXP
475900001

+3V3
R160
R159

0
0

MICROAB_N
MICROAB_P

0

R153
330
1

R161

D5
B3
C3
D3
A2
B2

Vbus
D+out
D-out
Dz
Pup

ID
D+in
D-in
Pd1
Pd2
GND

A3
C1
D1
B1
C2

R155

T3
9013

1

47K

D2

EMIF02-USB03F2

LD8
Green

2

PA9
PA11
PA12
PA10

3

VBUS_FS1
USB_FS1_N
USB_FS1_P
USB_FS1_ID

2

DocID028183 Rev 2

6
7
8
9
10

USB_Micro-AB receptacle

OTG_FS1_PowerSwitchOn

R157
47K

U16

2

R43
[N/A]

R154
10K

USB Full Speed operating range voltage: 3.0V
Source Exif Data: 
File Type                       : PDF
File Type Extension             : pdf
MIME Type                       : application/pdf
PDF Version                     : 1.6
Linearized                      : Yes
Author                          : STMICROELECTRONICS
Create Date                     : 2015:10:21 12:01:30Z
Keywords                        : Technical Literature, 028183, Product Development, Specification, User manual, 32F469IDISCOVERY
Modify Date                     : 2018:10:19 22:53:41+02:00
Subject                         : -
Has XFA                         : No
Tagged PDF                      : Yes
XMP Toolkit                     : Adobe XMP Core 5.6-c015 91.163280, 2018/06/22-11:31:03
Format                          : application/pdf
Creator                         : STMICROELECTRONICS
Description                     : -
Title                           : Discovery kit with STM32F469NI MCU
Creator Tool                    : C2 v2.1.0.1 build 007 - c2_rendition_config : Techlit_Active
Metadata Date                   : 2018:10:19 22:53:41+02:00
Producer                        : Acrobat Distiller 11.0 (Windows)
Document ID                     : uuid:8e0347e7-2731-4eb8-8fbe-cff70c610fc0
Instance ID                     : uuid:8fc045bc-70af-4176-b78f-1bdc5eead817
Page Layout                     : SinglePage
Page Mode                       : UseNone
Page Count                      : 40

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