User Guide
GD32E230F-START
6
/
10
4.7
Extension
Extension Pin
PA4
PA5
PA6
PA7
PA1
PB1
PA3
PA2
PA9
PA10
PA13
PA14
PA0
+3V3
GND
1
2
3
4
5
6
7
8
JP1
HEADER 8
1
2
3
4
5
6
7
8
JP2
HEADER 8
GND
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
GD32E230F-START board has two LEDs. The LEDs 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 and LED2
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
GD32E230F-START board has two keys and two LEDs. The two keys are Reset key and
User key. The LEDs are controlled by GPIO.
