GigaDevice Semiconductor GD32E230K-START User manual

GigaDevice Semiconductor Inc.
GD32E230K-START
User Guide
V1.0

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Table of Contents
Table of Contents.............................................................................................................................. 1
List of Tables..................................................................................................................................... 2
1Summary.................................................................................................................................... 3
2Function Pin Assign.................................................................................................................. 3
3Getting started........................................................................................................................... 3
4Hardware layout overview........................................................................................................ 4
4.1 Power................................................................................................................................... 4
4.2 Boot...................................................................................................................................... 4
4.3 LED....................................................................................................................................... 4
4.4 KEY...................................................................................................................................... 4
4.5 GD-Link................................................................................................................................ 5
4.6 MCU..................................................................................................................................... 5
4.7 Ardunio................................................................................................................................. 6
5Routine use guide ..................................................................................................................... 6
5.1 GPIO_Runing_Led............................................................................................................... 6
5.2 GPIO_Keyboard_Polling_mode........................................................................................... 7
5.3 EXTI_KeyBoard_Interrupt_mode......................................................................................... 7
5.4 TIMER_KeyBoard_EXTI...................................................................................................... 8
6Revision history......................................................................................................................... 9

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List of Tables
Table 1. Function pin assign.......................................................................................................................... 3
Table 2. Revision history................................................................................................................................ 9

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1 Summary
GD32E230K-START uses GD32E230K8T6 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 GD32E230K-START-V1.0 schematic.
2 Function Pin Assign
Table 1. Function pin assign
Function
Pin
Description
LED
PA8
LED1
RESET
K1-Reset
KEY
PA0
K2-Wakeup
3 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 8.31.1. 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
G
1
Vout 2
Vin
34
U4 AMS1117-3.3
E5
16V/10uF,AVX
E6
16V/10uF,AVX
GND
+3V3 LEDPWR
LED0603
R32
470Ω
P1
SMD1210P050TF
+5V
+U5V
4.2 Boot
R18
10KΩ
1
2
3
JP4
BOOT0
GND BOOT0
+3V3
4.3 LED
PA8LED1
LED0603
LED
GND
R25
470Ω
4.4 KEY
PA0
R29
10KΩ
+3V3
GND
KEY
K2
K-1102B

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4.5 GD-Link
L_USB_Ctr
C100
50V/20pF
C102
50V/20pF
Y101
HC-49S-8MHz
GND
L_NRST
+3V3
GND
R102
10KΩ
C103
50V/0.1uF
R104
10KΩ
GND
C105
50V/0.1uF
C106
50V/0.1uF
C107
50V/0.1uF
C108
50V/0.1uF
R101
1MΩ
L_OSC_IN
L_OSC_OUTL_OSC_IN
L_OSC_OUT L_NRST
GND
+3V3
GND
1
2
3
4
JP100
4×1P2.54
+3V3
GND
MCU SWD
Reset
L_TMS/IO
L_TDI
L_TDO/SWO
L_TCK/CLK
L_USB_DP
L_SWDIO
L_SWDCK
L_SWDIO
L_SWDCK
+3V3
L_USB_DM
BOOT0
44
NRST
7
OSC_IN/PD0
5
OSC_OUT/PD1
6
PA0-WKUP
10
PA1
11
PA2
12
PA3
13
PA4
14
PA5
15
PA6
16
PA7
17
PA8
29
PA9
30
PA10
31
PA11
32
PA12
33
PA13/JTMS/SWDIO
34
PA14/JTCK/SWCLK
37
PA15/JTDI
38
PB018
PB119
PB2/BOOT1 20
PB3/JTDO 39
PB4/JNTRST 40
PB541
PB642
PB743
PB845
PB946
PB10 21
PB11 22
PB12 25
PB13 26
PB14 27
PB15 28
PC13-TAMPER-RTC 2
PC14-OSC32_IN 3
PC15-OSC32_OUT 4
VBAT
1
VDD_1
24
VDD_2
36
VDD_3
48
VDDA
9
VSS_1 23
VSS_2 35
VSS_3 47
VSSA 8
U0
GD32F103C8T6
L_TReset
L_LED1
L_LED2
L_LED1 LED0603
L_LED2 LED0603
R109 470Ω
R110 470ΩGND
GND
R105 22R
R106 22R
R108
1MΩC104
50V/4700pF
L_USB_DM
L_USB_DP
GND
R107 1.5KΩL_USB_Ctr
VCC 1
D- 2
D+ 3
ID 4
GND 5
SHELL 6
CN100
Mini_USB
+U5V
4.6 MCU
C15
50V/20pF
C16
50V/20pF
Y2
HC-49S-8MHz
R19
1MΩ
GND
OSC_IN
OSC_OUT
OSC_OUT
OSC_IN
NRST
K1
K-1102B
+3V3
GND
R20
10KΩ
C12
50V/0.1uF
NRST
BOOT0
+3V3
C10
50V/0.1uF
C11
50V/0.1uF
GND
+3V3 GND
VDDA
PA3
SWDAT
SWCLK
NRST
L_TMS/IO
L_TCK/CLK
L_TReset
GDLinkSWD
PA0
PA1
PA2
PA7
PA6
PA5
PA4
PA13
PA12
PA11
PA10
PA9
PA8
PA14
PA15
PB1
PB0
PB6
PB7
PB3
PB4
PB5
SWDAT
SWCLK
BOOT0
31
NRST
4
OSC_IN/PF0
2
OSC_OUT/PF1
3
PA06
PA17
PA10 20
PA919
PA11 21
PA12 22
PA13/SWDIO 23
PA28
PA39
PA410
PA511
PA612
PA713
VDD
1
PB0
14
PB1
15
PB3
26
PB4
27
PB5
28
PB6
29
PB7
30
VDDA
5
PA818
VSS 16
VDD
17
PA14/SWCLK 24
PA15 25
VSS 32
U3
GD32E230K8T6

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4.7 Ardunio
Ardunio
1
2
3
4
5
6
JP7
HEADER 6
1
2
3
4
5
6
7
8
JP6
HEADER 8
1
2
3
4
5
6
7
8
JP9
HEADER 8
1
2
3
4
5
6
7
8
9
10
JP8
HEADER 10
+5V
+5V
+3V3
+3V3
NRST
A1
A2
A3
A4
A5 D0/Rx
D1/Tx
D2
D4
D3/~
D5/~
D6/~
D7
D8
D9/~
D10/~/CS
D13/CK
D12/SO
D11/~/SI
D14/SDA
D15/SCL
VDDA
PA9
PA10
PA11
PA12
PA1
PA2
PA3
A4
A5
A6
D13
D12
PA7
D10
PB0
PB1
PB3
PA15
PB4
PB5
PB6
PB7
A6
1
2
3
JP1
HEADER 3
1
2
3
JP2
HEADER 3
1
2
3
JP3
HEADER 3
PA4PA5PA6
D10
A4 A5
D13
A6
D12
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
GD32E230K-START board has one LED. The LED1 are controlled by GPIO. This demo
will show how to light the LED.
5.1.2 DEMO Running Result
Download the program < 01_GPIO_Runing_Led > to the EVAL board, LED1 will turn on
and off in sequence with interval of 1000ms, repeat the process.

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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
GD32E230K-START board has two keys and one LED. The two keys are Reset key and
Wakeup key. The LED1 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 EVALboard, 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.
5.3 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
GD32E230K-START board has two keys and one LED. The two keys are Reset key and
Wakeup key. The LED1 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

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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
GD32E230K-START board has two keys and one LED. The two keys are Reset key and
Wakeup key. The LED1 are controlled by GPIO.
This demo will show how to use the TIMER PWM to trigger EXTI interrupt to toggle the
state of LED1 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.
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. Jump JP3 to Dx. Connect
PA6(TIMER2_CH0) and PB5 with DuPont line. The LED1 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.31, 2018

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