Inventek Systems 341 5.0 GHz WiFi Transmitter User Manual Table of Contents

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ISM43340/1-M4G-L44 Product Specification
INVENTEK SYSTEMS
ISM4334x-M4G-L44
Embedded Serial-to-WiFi Module
eS-WiFi™
802.11 a/b/g/n, Bluetooth 4.0, NFC
Data Sheet
DOC-DS-20088-2.0
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ISM43340/1-M4G-L44 Product Specification
Table of Contents
GENERAL DESCRIPTION ................................................................................................... 4
PART NUMBER DETAIL DESCRIPTION .......................................................................... 6
2.1
Ordering Information ...................................................................................................... 6
CERTIFICATIONS ................................................................................................................ 7
3.1
Limitations ...................................................................................................................... 7
3.2
Regulatory Compliance .................................................................................................. 7
3.3
FCC and IC User’s Manual Statements: ......................................................................... 8
COMPLEMENTARY DOCUMENTATION ...................................................................... 11
4.1
Inventek Systems .......................................................................................................... 11
SPECIFICATIONS ............................................................................................................... 11
5.1
Module Architecture ..................................................................................................... 11
5.2
External Antenna Connections ..................................................................................... 12
5.3
Mechanical Specifications ............................................................................................ 12
5.4
Environmental Specifications ....................................................................................... 12
HARDWARE ELECTRICAL SPECIFICATIONS ............................................................. 13
Absolute Maximum Ratings ..................................................................................... 13
Recommended Operating Ratings ............................................................................ 13
PIN DESCRIPTION ............................................................................................................. 14
FIRMWARE UPGRADES DURING DEVELOPMENT .................................................... 15
SERIAL HOST INTERFACES AVAILABLE .................................................................... 15
9.1
UART ............................................................................................................................ 15
Data Mode ................................................................................................................. 16
Flow Control ............................................................................................................. 16
Supported Baud Rates ............................................................................................... 16
Default Serial Configuration ..................................................................................... 16
SPI (Serial Peripheral Interface Bus) ........................................................................ 16
SPI Communication Overview: ................................................................................ 17
SPI Command Phase: ................................................................................................ 17
SPI Endian Example: ................................................................................................ 18
SPI Data Phase: ......................................................................................................... 19
SPI Asynchronous Messages: ............................................................................... 19
SPI AC Characteristics: ........................................................................................ 20
9.2
USB ............................................................................................................................... 20
9.3
GPIO ............................................................................................................................. 20
9.4
ADC’s ........................................................................................................................... 20
10 Wi-Fi RF SPECIFICATION................................................................................................. 21
RF Specification.................................................................................................... 21
11 ANTENNA ........................................................................................................................... 22
11.1 External Antenna .......................................................................................................... 22
11.2 Mechanical Specifications ............................................................................................ 22
12 ON BOARD PROCESSOR .................................................................................................. 23
13 ISM4334x-M4G-L44 FOOTPRINT ..................................................................................... 24
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13.1 ISM4334x-M4G-L44-10xx Module’s dimensions top view (mm) .............................. 24
13.2
ISM4334x-M4G-L44-xxx Module’s dimensions top view (mm) ............................... 24
14 PRODUCT COMPLIANCE CONSIDERATIONS ............................................................. 25
15 REFLOW PROFILE ............................................................................................................. 26
16 PACKING INFORMATION ................................................................................................ 27
16.1 MSL Level / Storage Condition .................................................................................... 27
16.2 Device baking requirements prior to assembly............................................................. 28
17 REVISION CONTROL ........................................................................................................ 29
18 CONTACT INFORMATION ............................................................................................... 29
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ISM43340/1-M4G-L44 Product Specification
1 GENERAL DESCRIPTION
The Inventek ISM4334x-M4G-L44 is an embedded wireless internet connectivity
module that operates in the 2.4 & 5.0 GHz spectrum. The Wi-Fi module’s hardware
consists of an ARM Cortex M4 host processor, Broadcom BCM43341/0 Dual-Band (2.4
GHz / 5 GHz) 802.11 a/b/g/n MAC/Baseband/Radio with Integrated Bluetooth 4.0 and
NFC support. The module has two antenna options, an on board dual band chip 2.4 & 5
GHz or an U.FL connector for external 2.4 & 5 GHz antenna.
There are two versions of the module offered, one that supports NFC (ISM43341-M4GL44) and one that does not (ISM43340-M4G-L44).
The module provides UART, USB and SPI interfaces enabling connection to an
embedded design. The Wi-Fi module requires no operating system and has a completely
integrated TCP/IP Stack. The module hardware can be used with Inventek’s AT
Command set (IWIN) or with Broadcom’s WICEDTM SDK3.1.2 or later.
Inventek’s IWIN , AT command set, allows you to quickly establish connectivity for your
wireless product, minimizing development time, testing routines and certification. The low
cost, small foot print (14.5 mm x 34 mm) and ease of design-in make it ideal for a range
of embedded applications.
Hardware Features:











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Uses BCM43341/0 Broadcom Leading Edge Radio Device.
Includes STM32F405 ST Cortex M4 Microcontroller.
2.4 GHz and 5.0 GHz Bands.
Bluetooth 4.0 including BLE Support.
2.4 & 5 GHz Chip Antenna on module.
U.FL Connector for external 2.4 GHz & 5GHz Antenna
Configurable using AT commands.
Host interface: UART, SPI, or USB-HID.
44-Pin Land Grid Array Footprint
14.5mm x 34mm x 2.5 mm
5 GPIO’s and 5 ADC’s (SPI uses ADC Pins)
Input Power: 3.3 V
NFC option for ISM43341-M4G-L44.
Low power operation with built-in low power modes.
Proven Interoperability … Connects with other vendor’s a/b/g/n Access Points in
the Wireless LAN.
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ISM43340/1-M4G-L44 Product Specification
Firmware Features:

IWIN- AT command Set/ API’s for any External Host









Supported by Broadcom WICEDTM SDK 3.1.2 or later.
Secure Wi-Fi authentication WEP-128, WPA-PSK (TKIP), WPA2-PSK.
WiFi-BT SmartBridge based on WICEDTM SDK.
Fully contained TCP/IP stack minimizing host CPU requirements.
Network features: ICMP (Ping), ARP, DHCP,TCP, UDP.
SSL3.0/TLS1.0/1.1 Security Library.
Cloud Agents: Axeda, ioBridge, Arrayent,…
Configuration Webpage for Connecting to Networks
Support for Web Service API for iOS and Android that allows easy connection
with no web browser required.
AP Auto-Channel Selection Algorithm in Congested and Overlapping Signal
Environments
Wi-Fi Protected Setup (WPS) Support
SoftAP and Client Modes – Simultaneous Support
Support for up to Four Simultaneous Sockets
Supports up to 4 Connected Clients in SoftAP Mode
Domain Name System –DNS Support
mDNS Multicast Support
Bootloader for Module Updates








Typical Applications:







PDA, Pocket PC, computing devices.
Building automation and smart energy control.
Industrial sensing and remote equipment monitoring.
Warehousing, logistics and freight management.
PC and gaming peripherals.
Printers, scanners, alarm and video systems.
Medical applications including patient monitoring and remote diagnostics.
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ISM43340/1-M4G-L44 Product Specification
2 PART NUMBER DETAIL DESCRIPTION
2.1 Ordering Information
ISM4334X-M4G-L44-X X X X
Apple HomeKit:
Blank = Not Included
H = Apple HomeKit Included
External Flash Memory (2 MB):
Blank = Not Included
F = Flash Memory Included
Antenna:
C = Dual Band (2.4/5 GHz) Chip Antenna
U = U.Fl Connector for External Antenna
Additional GPIO’s:
Blank = No Additional GPIO pins
10 = Additional GPIO’s
Near Field Communication (NFC):
0 = NFC Not Included
1 = NFC Included
Evaluation Boards/ USB Dongles
ISM43341/0-M4G-EVB
Evaluation Board, USB
cable, with ISM43341/0M4G-L44, Quick Start
Guide
UART
ISM43340-M4G-EVB-C
ISM43341-M4G-EVB-C
ISM430-USB
Wi-Fi/BT USB dongle
USB
ISM430-USB
ISM431-USB
Wi-Fi/BT & NFC USB
dongle
USB
ISM430-USB
DOC-DS-20088-2.0
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ISM43340/1-M4G-L44 Product Specification
3 CERTIFICATIONS
3.1 Limitations
Inventek Systems products are not authorized for use in safety-critical applications
(such as life support) where a failure of the Inventek Systems product would
reasonably be expected to cause severe personal injury or death.
3.2 Regulatory Compliance
CE
Regulator
FCC
IC
RoHS
DOC-DS-20088-2.0
Status
O7P-341
10147A-341
Compliant
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ISM43340/1-M4G-L44 Product Specification
3.3 FCC and IC User’s Manual Statements:
OEM INSTRUCTIONS:
This module is limited to OEM installation only.
OEM integrators must ensure that the end-user has no manual instructions to remove or
install the module. OEM’s must comply with FCC marking regulation part 15 declaration
of conformity (Section 2.925(e)).
This module is to be installed only in mobile or fixed applications (Please refer to FCC
CFR 47 Part 2.1091(b) for a definition of mobile and fixed devices).
Separate approval is required for all other operating configurations, including portable
configurations with respect to FCC CFR 47 Part 2.1093, and different antenna
configurations.
The antennas used with this module must be installed to provide a separation distance
of at least 20cm from all persons, and must not be co-located or transmit simultaneously
with any other antenna or transmitter, except in accordance with FCC multi transmitter
product procedures.
The ISM43340/1 Modules has been designed to operate with the following antennas
and gains. Use with other antenna types or with these antenna types at higher gains is
strictly prohibited.
Manufacturer
Inventek
Inventek
DOC-DS-20088-2.0
Type of
Antenna
Model
Gain dBi
U.FL port
Antenna
Chip Antenna
W2.4-5P-U
2.6 (@ 2.4 GHz)
3.3 (@ 5 GHz)
1.4 (@ 2.4 GHz)
2.3 (@ 5 GHz)
AA077
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Type of
Connector
U.FL
Chip
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ISM43340/1-M4G-L44 Product Specification
Warning: changes or modifications not expressly approved by the party responsible for
compliance could void the user’s authority to operate this equipment.
A clearly visible label is required on the outside of the user’s (OEM) enclosure stat the
following text:
Contains FCC ID: O7P-341
Contains IC: 10147A-341
This transmitter module has been certified for FCC Part 15 operation; when installed in
a host device, the host manufacturer is responsible for making sure that the host device
with the transmitter installed continues to be compliant with Part 15B unintentional
radiator requirements
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Industry Canada User’s Manual Statements:
IC RSS-210/RSS-Gen NoticesOperation is subject to the following two conditions: (1) this device may not cause
interference, and (2) this device must accept any interference, including interference
that may cause undesired operation of this device.
L’opѐration est soumise aux deux conditions suivantes: (1) cet appareil ne peut pas
provoquer d’interfѐrences et (2) cet apparial doit accepter toute interfѐrence, y compris
les interfѐrences qui peuvent causer un mauvis fonctionment de l’appareil.
Under Industry Canada regulations, this radio transmitter may only operate using an
antenna of a type and maximum (or lesser) gain approved for the transmitter by Industry
Canada. To reduce potential radio interference to other users, the antenna type and its
gain should be so chosen that the equivalent isotropically radiated power (e.i.r.p.) is not
more than that necessary for successful communication.
Sous la rѐglementation d’Industrie Canada, ce transmetteur radio ne peut fonctionner
en utilisant une antenne d’un type et un maximum (ou moins) gain approuvѐes pour
l’ѐmetteur par Industrie Canada. Pour rѐduire le risqué d’interference aux autres
utilisateures, le type d’antenne et son gain doivent être choisis de maniѐre que la
puissance isotrpe rayonnѐe ѐquivalente (PIRE) ne dѐpasse pas ce qui est nѐcessaire
pour une communication rѐussie.
The radio transmitter has been approved by Industry Canada to operate with the
antenna types listed above with the maximum permissible gain and required antenna
impedance for each antenna type indicated. Antenna types not included in this list
having a gain greater than the maximum gain indicated for that type, are strictly
prohibited for use with this device.
Cet ѐmetteur de radio a ѐtѐ approuvѐ par Industrie Canada pour fonctionner avec les
types d’antennes ѐnumѐrѐes ci-dessus avec le gain maximal admissible et impѐdance
d’antenna requise pour chaque type d’antenne indiquѐ. Types d’antennes ne figurant
pas dans cette liste, ayant un gain supѐrieur au gain maximum indiquѐ pour ce type,
sont strictement interdites pour l’utilisation avec cet appareil.
DOC-DS-20088-2.0
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4 COMPLEMENTARY DOCUMENTATION
4.1 Inventek Systems





Evaluation Board Documentation
ISM43340/1-M4G-EVB Evaluation Board Specification
EVB User’s Guide
Quick Start Guide
eS-WiFi Demo software (includes EVB Drivers and Firmware)
AT Command Set Documentation
AT Command Set User’s Manual
AT Command Set Quick Reference Guide
AT Command Sample Scripts Firmware
OrCAD Schematic Symbol
PADS Land Pattern
FCC Test Report (In process)
5 SPECIFICATIONS
5.1 Module Architecture
Figure 1 Inventek’s ISM4334x-M4G-L44 General Block Diagram
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ISM43340/1-M4G-L44 Product Specification
5.2 External Antenna Connections
ISM4334x-M4G-L44-CU module is designed for use with an external antenna via a
connection using the U.FL connector.
Item
Description
Connector
U.FL series
Manufacturer I-PEX Co., Ltd.
Part No.
20279-001E-01
Height
1.25 mm
Width
2 mm
DC
3.0 – 5.0 V
Table 1 On-Board Antenna Connector
5.3 Mechanical Specifications
The Physical dimensions of this eS-WiFi Module are as follow:
Items
Description
ISM4334x-M4G-L44-CU
Length
Width
Height
Package
34.22 mm (-/+0.5 mm)
14.70 mm (-/+0.5 mm)
2.5 ± 0.2 mm
44 pin LGA
5.4 Environmental Specifications
Item
Operating temperature range
Storage temperature range
Humidity
Description
-40 deg. C to +85 deg. C
-40 deg. C to +85 deg. C
95% max non-condensing
Note 1: The ISM4334x-M4G supports a functional operating range of -40°C to +85°C.
However the optimal RF performance specified in this data sheet is only guaranteed for
temperatures from -10°C to +65°C
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6 HARDWARE ELECTRICAL SPECIFICATIONS
Absolute Maximum Ratings
Symbol
Description
Min
Max
Unit
VDD
Input supply Voltage
-0.4
3.7
VBAT
Battery Backup
-0.4
3.6
Recommended Operating Ratings
Symbol
Min.
Typ.
Max.
Unit.
VDD
3.0
3.3
3.6
VBAT
3.0
3.3
3.6
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7 PIN DESCRIPTION
Pin No.
10
11
12
13
14
15
16
17
18
Type
Pin Definition
G GND
I VDD
G GND
I/O TMS
I/O TCK
I/O TDI
I/O TD0
I/O TDRSTN
I/O ADC 4 / SPI_MOSI
I/O ADC 3 / SPI_MISO
I/O ADC 2 / SPI_SCK
I/O ADC 1 / SPI_SSN
I/O ADC 0 (I)/ DATARDY (0)
I VDD
I VBAT
I Wakeup
GND
DP
19
I/O DM
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
I/O
I/O
I/O
I/O
I/O
I/O
I/O
GND
RX
TX
GPIO 0
GPIO 1
GPIO 2
GPIO 3
GPIO 4
NFC TX2
NFC TX1
RES
RES
RES
BOOT 0
RSTN
GND
DOC-DS-20088-2.0
Descriptions
Ground
3.3V
Ground
JTAG
JTAG
JTAG
JTAG
JTAG
ADC Input Pins or SPI Host Interface
(Refer to SPI Section 9.1.5)
3.3V
3.3V
(Refer to Section Error! Reference source not
found.)
Ground
USB Data Plus (Refer to Table Error! Reference
source not found.)
USB Data Minus (Refer to Table Error!
Reference source not found. )
Ground
UART Receive (Refer to section 9.1 )
UART Transmit (Refer to section 9.1 )
General Purpose Interface Pins
NFC Antenna ( No connect for ISM43340)
NFC Antenna ( No connect for ISM43340)
Reserved
Reserved
Reserved
Enable On-Board Microcontroller Boot Loader
Reset (See STM32F405 NRST specification )
Ground
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ISM43340/1-M4G-L44 Product Specification
36
Pin No.
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
Type
GND
Pin Definition
Do not connect
G GND
G GND
G GND
G GND
G GND
I/O Do not connect
G GND
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
Ground
Descriptions
Float
Ground
Ground
Ground
Ground
Ground
Float
Ground
General Purpose Interface Pins
8 FIRMWARE UPGRADES DURING DEVELOPMENT
We recommend using a JTAG 10 pin header or directly connecting to the JTAG pins
on the module for updating. Use the ST-Link to flash the ST micro.
Below are links to the ST-Link and JTAG header at Digikey:
STLink:
http://www.digikey.com/product-detail/en/ST-LINK%2FV2/497-10484-ND/2214535
The 10 to 20 pin JTAG adapter is Digi-Key PN 726-1193-ND:
http://www.digikey.com/product-detail/en/MDL-ADA2/726-1193-ND/1986451
*JTAG Firmware Update Note can be found at www.inventeksys.com
9 SERIAL HOST INTERFACES AVAILABLE
UART, SPI and USB-HID host interfaces are supported and unique firmware is required for each
interface.
9.1 UART
A universal asynchronous receiver / transmitter (UART) with 3.3v logic levels is available.
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Data Mode
When the eS-WiFi module is interfaced serially, the serial interface needs to be configured
for 8 bit data, no parity, and one stop bit -- (8-n-1).
Flow Control
The eS-WiFi module doesn’t require or support Flow Control, so Flow Control should be
implemented.
Supported Baud Rates
The eS-WiFi module uses USART1 (PA9 and PA10 of the STM32F405) and the following
serial baud rates are supported: 1200, 2400, 4800, 9600, 19200, 38400, 57600, 115200,
230400, 460800, 921600, 1152000, 1382400, 1612800, 1834200, 2073600. USART1 can be
run at higher rates but have not been tested with the AT command set.
Default Serial Configuration
The eS-WiFi module is shipped with the default serial configuration of 115200 baud, 8 data bits, no
party, and 1 stop bits.
SPI (Serial Peripheral Interface Bus)
The eS-WiFi module supports SPI (Contact Inventek for specific firmware.)
SCLK
MOSI
MISO
SSN
CMD/DATA
READY
Command
Phase
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Data
Phase
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ISM43340/1-M4G-L44 Product Specification
SPI Slave Interface:
Clock rate:
20MHz max.
Width:
16-bit
Mode:
Endian:
Little
Note: All commands to the eS-WiFi module must be post-padded with 0x0A (Line Feed) to an
even number of bytes.
All data from eS-WiFi module will be post-padded with 0x15(NAK) to an even number of bytes.
SPI Communication Overview:
With the exception of initial cursor, all communication with the module happens synchronously.
In other words, the SPI Master must always poll for every asynchronous event.
A typical command flow is provided flow. This is an example using the Direct Connect Soft AP
with a TCP communication server.
SPI Master
SPI Slave (eS-WiFi)
Description
“\r\n> “
Prompt
“AS=0,ABC\r\x0A”
"\r\n\r\nOK\r\n> "
Set Access Point SSID
“AD\r\ x0A”
"\r\n\r\nOK\r\n> "
Start AP - Direct Mode
"P1=0\r\ x0A”
"\r\n\r\nOK\r\n> "
Set TCP Protocol
"P4=2000\r"
"\r\n\r\nOK\r\n> "
Set TCP Port
"P5=1\r\ x0A”
"\r\n\r\nOK\r\n> "
Start TCP COMM Server
"MR\r\ x0A”
"\r\n[SOMA]...[EOMA]\r\nOK\r\n> Read Messages
Note: [SOMA] - Start of Message Asynchronous, [EOMA] - End Of Message Asynchronous
The SPI communication is always 16-bit and can be sustained up to 20MHz. The eS-WiFi
module after power up or reset will raise CMD/DATA READY pin to signal that the first Data
Phase has started. In this mode, the SPI Host must fetch the cursor. As provided by the example
above, this is the only time host needs fetch data from slave without issuing a command.
The Host will initiate a SPI cycle (lower SSN) and clock out 0x0A (Line Feed) until the
CMD/DATA READY pin lowers signaling the end of the Data Phase. The data received will be
0x0d (CR) 0x0A (LF) 0x3E (>) 0x20 (SP).
The next rising edge of the CMD/DATA READY pin signals the Command Phase.
SPI Command Phase:
The Command Phase indicates the eS-WiFi module is ready to accept an AT Command. The
command must include all delimiters and data for the command.
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ISM43340/1-M4G-L44 Product Specification
Ex.
S3=0010\r0123456789
The command must also be sent as one continuous SPI cycle, that is SSN must stay low for the
complete command, delimiters, and data.
The Host will initiate a SPI cycle (lower SSN) and clock out the command, delimiters and
associated data and raise the NSS signal to indicated that the all data has be sent. As result of the
NNS raising the eS-WiFi module will lower the CMD/DATA READY pin to signal the end
Command Phase.
The data that will be clocked back to the Host will be 0x15 (NAK).
SPI Endian Example:
The data is in little endian (0x15 0x15 0x0A 0x0D 0x20 0x3E) and needs to be converted back to
big endian with the leading 0x15’s removed. Please remember that this is a 16-bit interface so
the endian conversion is done one 16-bit at a time.
The endian requirement extends to the command being sent to the module. So a “I?\r\x0A”
command would be sent as 0x3F 0x49 0x0A 0x0D.
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ISM43340/1-M4G-L44 Product Specification
SPI Data Phase:
The Data Phase indicates the eS-WiFi module has data ready for the Host to read. The eS-WiFi
module will raise CMD/DATA READY and the Host will initiate a SPI cycle (lower SSN) and
clock out 0x0A (Line Feed) until the CMD/DATA READY pin lowers signaling the end of the
Data Phase.
SPI Asynchronous Messages:
There are certain situations in which the eS-WiFi will issue asynchronous messages:
 Soft AP (AO/AD Commands), when a device connects to the Soft AP a DHCP assigned
message will issued.
Ex. [DHCP ] Assigned 00:00:00:00:00:00 has 192.168.10.100
 TCP/UDP Communication Servers (P5=1), when a client connects to the server a
connected message will be issued.
Ex. [TCP SVR] Waiting on connection...
[TCP SVR] Accepted 192.168.10.100:2000
[UDP SVR] Accepted 192.168.10.100:2000
With the SPI host interface being synchronous the Host must poll for these messages. This can
be done by using the MR (Message Read) command or when a Communication connection the
issuing of a R0 command will read all asynchronous message and the result of the R0 command.
The asynchronous messages are delineated by the Start Of Message Asynchronous ([SOMA])
and End Of Message Asynchronous ([EOMA]) markers.
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ISM43340/1-M4G-L44 Product Specification
SPI AC Characteristics:
Symbol
Tf(sck)
Tc(sck)
Tsu(sck)
Tc(byte)
Tsu(ssn)
Th(ssn)
Min.
Typ.
Max.
20 MHz
50 ns
15 us
8 * Tc(sck)
4 us
3 us
9.2 USB
The eS-WiFi module supports a USB-HID interface. (Contact Inventek for specific firmware.)
9.3 GPIO
Each of the GPIO pins can be configured by the AT command set as Button, LED, Digital input
or Digital output. The outputs are 3.3V CMOS and reference the AT Command Set User manual
to configure.
9.4 ADC’s
One 12-bit analog-to-digital converter is available. Reference the AT Command Set User’s
manual for configuration.
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ISM43340/1-M4G-L44 Product Specification
10 Wi-Fi RF SPECIFICATION
RF Specification
Conditions: VDD=3.3V; VDDIO=3.3V; TEMP: 25°C
Feature
WLAN Standard
Frequency Range
Number of Channels
Modulation
*Output Power
Receive Sensitivity
(11n,20MHz)
@10% PER
Receive Sensitivity
(11g) @10% PER
Receive Sensitivity
(11b) @10% PER
Data Rates
Data Rate
(20MHz ,Long GI,800ns)
DOC-DS-20088-2.0
Description
IEEE 802.11b/g/n, Wi-Fi compliant
2.400 GHz ~ 2.497 GHz (2.4 GHz ISM Band)
Ch1 ~ Ch14
802.11 g/n : OFDM /64-QAM,16-QAM, QPSK, BPSK
802.11b : CCK, DQPSK, DBPSK
802.11b /11Mbps : 17* dBm ± 1.5 dB
802.11g /54Mbps: 17* dBm ± 1.5 dB
802.11n /72Mbps: 16* dBm ± 1.5 dB
- MCS=0
PER @ -86 dBm, typical
- MCS=1
PER @ -85 dBm, typical
- MCS=2
PER @ -85 dBm, typical
- MCS=3
PER @ -84 dBm, typical
- MCS=4
PER @ -80 dBm, typical
- MCS=5
PER @ -78 dBm, typical
- MCS=6
PER @ -72 dBm, typical
- MCS=7
PER @ -69 dBm, typical
- 6Mbps
PER @ -89 dBm, typical
- 9Mbps
PER @ -88 dBm, typical
- 12Mbps
PER @ -88 dBm, typical
- 18Mbps
PER @ -87 dBm, typical
- 24Mbps
PER @ -83 dBm, typical
- 36Mbps
PER @ -80 dBm, typical
- 48Mbps
PER @ -75 dBm, typical
- 54Mbps
PER @ -72 dBm, typical
- 1Mbps
PER @ -93 dBm, typical
- 2Mbps
PER @ -91 dBm, typical
- 5.5Mbps
PER @ -89 dBm, typical
- 11Mbps
PER @ -87 dBm, typical
802.11b : 1, 2, 5.5, 11Mbps
802.11g : 6, 9, 12, 18, 24, 36, 48, 54Mbps
802.11n: 6.5, 13, 19.5, 26, 39, 52, 58.5, 65Mbps
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ISM43340/1-M4G-L44 Product Specification
Data Rate
802.11n : 7.2, 14.4, 21.7, 28.9, 43.3, 57.8, 65,72.2Mbps
(20MHz ,short GI,400ns)
Maximum Input Level
802.11b : -10 dBm
802.11g : -10 dBm
11 ANTENNA
11.1 External Antenna
The Inventek U.FL PCB antenna will be tested for FCC and CE certification. The part number is
W2.4-5P-U. It is a dual band 2.4/5 GHz PCB antenna with a U.FL connector.
The Inventek W2.4-5P-U PCB antenna is FCC and CE certified and can be found on the
Inventek Website.
11.2 Mechanical Specifications
* Keep out
Area
Figure 2: ANTENNA IS IN ETCH
”Keep out” area should ideally have the antenna hanging off the side of the PCB for
best performance. If you do not hang the antenna off the PCB, ensure no ground planes
or traces are placed under the antenna (keep out area). Surrounding metal will affect
the antenna performance. The external Antenna does not require “keep out” area
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ISM43340/1-M4G-L44 Product Specification
12 ON BOARD PROCESSOR
The eS-WiFi module is available with an ST Microcontroller, STM32F405 processor.
ISM43341-M4G-L44
ISM43340-M4G-L44
STM32F405 (1 MB), Flash
Microcontroller
STM32F405 (1 MB), Flash
Microcontroller)
See the STM32F405 specification from ST Microelectronics for UART, SPI (Slave Mode) and
USB Device.
http://www.st.com/web/en/resource/technical/document/datasheet/DM00037051.pdf
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ISM43340/1-M4G-L44 Product Specification
13 ISM4334x-M4G-L44 FOOTPRINT
13.1 ISM4334x-M4G-L44-10xx Module’s Dimensions top view (mm)
Figure 3 Module Dimensions- Top View
13.2 ISM4334x-M4G-L44-xxx Module’s Dimensions top view (mm)
14.70
13.94
34.22
Figure 4 Module Dimensions - Top View
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ISM43340/1-M4G-L44 Product Specification
14 PRODUCT COMPLIANCE CONSIDERATIONS
RoHS: Restriction of Hazardous Substances (RoHS) directive has come into force since
1st July 2006 all electronic products sold in the EU must be free of hazardous materials,
such as lead. Inventek is fully committed to being one of the first to introduce lead-free
products while maintaining backwards compatibility and focusing on a continuously high
level of product and manufacturing quality.
EMI/EMC: The Inventek module design embeds EMI/EMC suppression features and
accommodations to allow for higher operational reliability in noisier (RF) environments
and easier integration compliance in host (OEM) applications.
FCC/CE: The module will be tested for FCC/IC/CE compliance.
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ISM43340/1-M4G-L44 Product Specification
15 REFLOW PROFILE



Reference the IPC/JEDEC standard.
Peak Temperature:
<250°C
Number of Times:
≤2 times
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ISM43340/1-M4G-L44 Product Specification
16 PACKING INFORMATION
16.1 MSL Level / Storage Condition
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ISM43340/1-M4G-L44 Product Specification
16.2 Device baking requirements prior to assembly
Boards must be baked prior to rework or assembly to avoid damaging moisture sensitive
components during localized reflow. The default bake cycles is 24 hours at 125C.
Maintaining proper control of moisture uptake in components is critical.
Before opening the shipping bag and attempting solder reflow, you should maintain a
minimal out-of-bag time and ensure the highest possible package reliability for the final
product.
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ISM43340/1-M4G-L44 Product Specification
17 REVISION CONTROL
Document : ISM43341-M4G-L44
External Release
Date
9/29/2014
10/10/2014
4/27/2015
11/4/2015
Wi-Fi module
DOC-DS-20088
Author
KMT
RLB
KMT
KMT
Revision
1.0
1.1
2.0
2.1
Comment
Draft
Preliminary Release
Preliminary
Updated P/N, Pin
Descriptions, and
Footprint
18 CONTACT INFORMATION
Inventek Systems
2 Republic Road
Billerica MA, 01862
Tel: 978-667-1962
Sales@inventeksys.com
www.inventeksys.com
Inventek Systems reserves the right to make changes without further notice to any products or data herein to improve reliability,
function, or design. The information contained within is believed to be accurate and reliable. However Inventek Systems does not
assume any liability arising out of the application or use of this information, nor the application or use of any product or circuit
described herein, neither does it convey any license under its patent rights nor the rights of others.
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