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gd32f130c8t6 minimal system board

Overview

Introduction to GD32F130C8T6 microcontroller

Package: LQFP48

Core: Cortex-M3

Family and positioning: GD32 Value Line (super value model, focusing on cost performance, benchmarking STM32F030)

Working voltage: 2.6~3.6V

Flash ROM: 64KB (the first 32KB has the best performance, zero wait for access, and the code should not exceed 32KB)

SRAM: 8KB

Maximum system clock speed: Can run 72M, no problem at all

Working environment: -40 ~ +85℃

SysTick: 1

Watchdog (WDT): 2

RTC: 1

EXTI：16 Line

GPIO: 39

DMA: 1 (7 channels)

ADC: 1 ADC unit (1unit, 12bit resolution, 10 channels)

USART: 2 (USART0, USART1)

I2C: 2 (I2C0, I2C1)

SPI: 2 (SPI0, SPI1)

General timer (GPTM): 1 32-bit (TIM1), and 5 16-bit (TIM2, TIM13~TIM16)

Advanced timer (Advance Timer): 1 16-bit (TIM0)

Basic Timer: None

USB: None

DAC: None

Design Notes

Power supply: Use RT9193-3.3 as the LDO chip, the maximum input voltage is 5.5V, the typical value is 5V. 5V power can be input through the McrioUSB female socket or pin header.

Download and debug: Use the SWD interface to download and debug. It is recommended to use the CMSIS-DAP emulator. In order to improve the stability of the SWD interface, it is recommended to pull up SWDIO with a 10K resistor and pull down SWDCLK with a 10K resistor .

LED Blink example

#include "gd32f1x0.h"
#include <stdio.h>

//Software delay n milliseconds
void delay_ms(uint32_t n)
{
uint32_t j;
while(n--)
{
j=18888;
while(j--);
}
}

void RCU_config(void)
{
rcu_periph_clock_enable(RCU_GPIOC); //Turn on the GPIOC peripheral clock
}

void GPIO_config(void)
{

//Configure PC13 push-pull output
gpio_mode_set(GPIOC, GPIO_MODE_OUTPUT, GPIO_PUPD_NONE, GPIO_PIN_13);
gpio_output_options_set(GPIOC, GPIO_OTYPE_PP, GPIO_OSPEED_10MHZ, GPIO_PIN_13);
}

int main(void)
{
RCU_config();
GPIO_config();
while(1)
{
if(gpio_output_bit_get(GPIOC,GPIO_PIN_13))
gpio_bit_reset(GPIOC,GPIO_PIN_13);
else
gpio_bit_set(GPIOC,GPIO_PIN_13);

delay_ms(500);
}
}

Design Files

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Update:2025-06-30 04:27:34

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