GD32E230C START User Guide V1.0
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GigaDevice Semiconductor Inc.
GD32E230C-START
User Guide
V1.0
User Guide
GD32E230C-START
Table of Contents
Table of Contents .............................................................................................................................. 1
List of Tables ..................................................................................................................................... 2
1 Summary .................................................................................................................................... 3
2 Function Pin Assign .................................................................................................................. 3
3 Getting started ........................................................................................................................... 3
4 Hardware layout overview ........................................................................................................ 4
4.1
Power ................................................................................................................................... 4
4.2
Boot ...................................................................................................................................... 4
4.3
LED....................................................................................................................................... 4
4.4
KEY ...................................................................................................................................... 5
4.5
GD-Link ................................................................................................................................ 5
4.6
MCU ..................................................................................................................................... 6
4.7
Ardunio ................................................................................................................................. 6
5 Routine use guide ..................................................................................................................... 7
5.1
GPIO_Runing_Led ............................................................................................................... 7
5.2
GPIO_Keyboard_Polling_mode ........................................................................................... 7
5.3
EXTI_KeyBoard_Interrupt_mode ......................................................................................... 8
5.4
TIMER_KeyBoard_EXTI ...................................................................................................... 8
6 Revision history....................................................................................................................... 10
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List of Tables
Table 1. Function pin assign .......................................................................................................................... 3
Table 2. Revision history .............................................................................................................................. 10
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1
Summary
GD32E230C-START uses GD32E230C8T6 as the main controller. It uses Mini USB
interface to supply 5V power. Reset, Boot, Wakeup key, LED, GD-Link and Ardunio are
also included. For more details please refer to GD32E230C-START-V1.0 schematic.
2
Function Pin Assign
Table 1. Function pin assign
Function
LED
Pin
Description
PA7
LED1
PA8
LED2
PA11
LED3
PA12
LED4
RESET
KEY
3
K1-Reset
PA0
K2-Wakeup
Getting started
The EVAL board uses Mini USB connecter to get power DC +5V, which is the hardware
system normal work voltage. A GD-Link on board is necessary in order to download and
debug programs. Select the correct boot mode and then power on, the LEDPWR will turn
on, which indicates that the power supply is OK.
There are Keil version and IAR version of all projects. Keil version of the projects are
created based on Keil MDK-ARM 5.25 uVision5. IAR version of the projects are created
based on IAR Embedded Workbench for ARM 8.20.2. During use, the following points
should be noted:
1. If you use Keil uVision5 to open the project. In order to solve the "Device Missing (s)"
problem, you can install GigaDevice.GD32E230_DFP.1.0.0.pack.
2. If you use IAR to open the project, install IAR_GD32E230_ADDON_1.0.0.exe to load
the associated files.
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4
Hardware layout overview
4.1
Power
+5V
U4
3
E5
AMS1117-3.3
2
Vout
4
+3V3
R32
470Ω
E6
LEDPWR
LED0603
1
SMD1210P050TF
Vin
G
P1
+U5V
16V/10uF,AVX
16V/10uF,AVX
GND
4.2
Boot
JP4
3
2
1
GNDR18
BOOT0
+3V3 10KΩ
BOOT0
4.3
LED
LED
PA7
R25
470Ω
PA8
R26
PA11
R27
470Ω
470Ω
PA12
R28
470Ω
LED1
LED0603
LED2
LED0603
LED3
LED0603
LED4
LED0603
GND
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4.4
KEY
+3V3
KEY
K2
K-1102B
PA0
R29
10KΩ
GND
4.5
GD-Link
U0
MCU SWD
10
11
12
13
14
15
16
17
+3V3 JP100
L_TMS/IO
L_TCK/CLK
L_TDO/SWO
L_TDI
1
2
3
4
L_SWDIO
L_SWDCK
4×1P2.54
L_USB_Ctr
29
30
31
32
33
34
37
38
GND
L_USB_DM
L_USB_DP
L_SWDIO
L_SWDCK
Reset
+3V3
L_OSC_IN 5
L_OSC_OUT 6
R102
10KΩ
L_NRST
R104
44
10KΩ
L_NRST
7
GND
C103
50V/0.1uF
1
24
36
48
GND
9
+3V3
PA0-WKUP
PA1
PA2
PA3
PA4
PA5
PA6
PA7
PB0
PB1
PB2/BOOT1
PB3/JTDO
PB4/JNTRST
PB5
PB6
PB7
PA8
PA9
PA10
PA11
PA12
PA13/JTMS/SWDIO
PA14/JTCK/SWCLK
PA15/JTDI
PB8
PB9
PB10
PB11
PB12
PB13
PB14
PB15
18
19
20
39
40
41
42
43
45
46
21
22
25
26
27
28
L_TReset
L_LED1 LED0603
L_LED1R109
L_LED2R110
470Ω
470Ω
GND
L_LED2 LED0603
2
PC13-TAMPER-RTC
3
PC14-OSC32_IN
4
PC15-OSC32_OUT
OSC_IN/PD0
OSC_OUT/PD1
BOOT0
C100
HC-49S-8MHz
L_OSC_IN
NRST
VBAT
GND
VDD_1
VDD_2
VDD_3
VSS_1
VSS_2
VSS_3
VDDA
VSSA
23
35
47
50V/20pF
C102
Y101
R101
1MΩ
L_OSC_OUT
50V/20pF
8
GD32F103C8T6
GND
CN100
VCC
DD+
ID
GND
SHELL
+U5V
1
2
3
4
5
6
R105
R106
R107
22R L_USB_DM
22R L_USB_DP
1.5KΩ L_USB_Ctr
+3V3
GND
C105
Mini_USB
R108
1MΩ
C106
C107
C108
50V/0.1uF 50V/0.1uF 50V/0.1uF 50V/0.1uF
C104
50V/4700pF
GND
GND
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4.6
MCU
U3
PA0
PA1
PA2
PA3
PA4
PA5
PA6
PA7
PA8
PA9
PA10
PA11
PA12
SWDAT PA13
SWCLK PA14
PA15
10
11
12
13
14
15
16
17
29
30
31
32
33
34
37
38
OSC_IN 5
OSC_OUT 6
BOOT0
NRST
+3V3
VDDA
44
7
1
24
48
9
PA0
PA1
PA2
PA3
PA4
PA5
PA6
PA7
PB0
PB1
PB2
PB3
PB4
PB5
PB6
PB7
PA8
PA9
PA10
PA11
PA12
PA13/SWDAT
PA14/SWCLK
PA15
PB8
PB9
PB10
PB11
PB12
PB13
PB14
PB15
18
19
20
39
40
41
42
43
PB0
PB1
PB2
PB3
PB4
PB5
PB6
PB7
45
46
21
22
25
26
27
28
PB8
PB9
PB10
PB11
PB12
PB13
PB14
PB15
2
PC13
3
PC14-OSC32_IN
4
PC15-OSC32_OUT
OSC_IN/PF0
OSC_OUT/PF1
SWD
GDLink
SWDAT
SWCLK
NRST
L_TMS/IO
L_TCK/CLK
L_TReset
C13
32.768KHz
PC15
50V/10pF
C14
GND
Y1
PC14
50V/10pF
C15
HC-49S-8MHz
OSC_IN
50V/20pF
C16
GND
PC13
PC14
PC15
Y2
R19
1MΩ
OSC_OUT
50V/20pF
+3V3
BOOT0
PF6
PF7
NRST
35
36
PF6
PF7
C10
VDD
VDD_1
VDD_2
VSS_1
VSS_2
VDDA
VSSA
23
47
C11
50V/0.1uF 50V/0.1uF
GND
+3V3
8
GND
GND
GD32E230C8T6
R20
10KΩ
K1
NRST
K-1102B
C12
50V/0.1uF
GND
4.7
Ardunio
Ardunio
JP8
10
9
8
7
6
5
4
3
2
1
JP6
NRST
+3V3
+3V3
+5V
+5V
1
2
3
4
5
6
7
8
D15-SCL1PB10
D14-SDA1PB11
VDDA
D13
D12
D11~
D10~
D9~
D8
PB13
PB14
PB15
PB12
PB0
PB1
HEADER 10
HEADER 8
JP9
JP7
PA1
PA2
PA3
PA4
PA5
PA6
A1
A2
A3
A4
A5
A6
1
2
3
4
5
6
HEADER 6
8
7
6
5
4
3
2
1
D7
D6~
D5~
D4
D3~
D2
D1-Tx
D0-Rx
PB8
PB7
PB6
PB5
PB4
PB3
PA9
PA10
HEADER 8
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5
Routine use guide
5.1
GPIO_Runing_Led
5.1.1
DEMO Purpose
This demo includes the following functions of GD32 MCU:
Learn to use GPIO control the LED
Learn to use SysTick to generate 1ms delay
GD32E230C-START board has four LEDs. The LED1, LED2, LED3 and LED4 are
controlled by GPIO. This demo will show how to light the LEDs.
5.1.2
DEMO Running Result
Download the program < 01_GPIO_Runing_Led > to the EVAL board, LED1, LED2,
LED3 and LED4 will turn on and off in sequence with interval of 1000ms, repeat the
process.
5.2
GPIO_Keyboard_Polling_mode
5.2.1
DEMO Purpose
This demo includes the following functions of GD32 MCU:
Learn to use GPIO control the LED and the KEY
Learn to use SysTick to generate 1ms delay
GD32E230C-START board has two keys and four LEDs. The two keys are Reset key
and Wakeup key. The LED1, LED2, LED3 and LED4 are controlled by GPIO.
This demo will show how to use the Wakeup key to control the LED1. When press down
the Wakeup Key, it will check the input value of the IO port. If the value is 1 and will wait
for 50ms. Check the input value of the IO port again. If the value still is 1, it indicates that
the button is pressed successfully and toggle LED1.
5.2.2
DEMO Running Result
Download the program < 02_GPIO_KeyBoard_Polling_mode > to the EVAL board, all the
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LEDs are flashed once for test and LED1 is on, press down the Wakeup Key, LED1 will
be turned off. Press down the Wakeup Key again, LED1 will be turned on.
5.3
EXTI_KeyBoard_Interrupt_mode
5.3.1
DEMO Purpose
This demo includes the following functions of GD32 MCU:
Learn to use GPIO control the LED and the KEY
Learn to use EXTI to generate external interrupt
GD32E230C-START board has two keys and four LEDs. The two keys are Reset key
and Wakeup key. The LED1, LED2, LED3 and LED4 are controlled by GPIO.
This demo will show how to use the EXTI interrupt line to control the LED1.When press
down the Wakeup Key, it will produce an interrupt. In the interrupt service function, the
demo will toggle LED1.
5.3.2
DEMO Running Result
Download the program < 03_EXTI_KeyBoard_Interrupt_mode > to the EVAL board, all
the LEDs are flashed once for test and LED1 is on, press down the Wakeup Key, LED1
will be turned off. Press down the Wakeup Key again, LED1 will be turned on.
5.4
TIMER_KeyBoard_EXTI
5.4.1
DEMO Purpose
This demo includes the following functions of GD32 MCU:
Learn to use GPIO control the LED and the KEY
Learn to use EXTI to generate external interrupt
Learn to use TIMER to generate PWM
GD32E230C-START board has two keys and four LEDs. The two keys are Reset key
and Wakeup key. The LED1, LED2, LED3 and LED4 are controlled by GPIO.
This demo will show how to use the TIMER PWM to trigger EXTI interrupt to toggle the
state of LED2 and EXTI interrupt line to control the LED1. When press down the Wakeup
Key, it will produce an interrupt. In the interrupt service function, the demo will toggle
LED1.
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5.4.2
DEMO Running Result
Download the program < 04_TIMER_KeyBoard_EXTI > to the EVAL board, all the LEDs
are flashed once for test, press down the Wakeup Key, LED1 will be turned on. Press
down the Wakeup Key again, LED1 will be turned off. Connect PA6(TIMER2_CH0) and
PB11 with DuPont line. The LED2 will be toggled every 500ms.
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6
Revision history
Table 2. Revision history
Revision No.
Description
Date
1.0
Initial Release
Oct.25, 2018
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and safety of any application made of this information and any resulting product. Except for customized products which has been
expressly identified in the applicable agreement, the Products are designed, developed, and/or manufactured for ordinary business,
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