STM32F103C8T6引脚定义

STM32F103C8T6是一款基于ARM Cortex-M3内核的微控制器芯片，共有48个引脚。其中，32个I/O口可用于输入输出，其余引脚用于供电、时钟和调试等功能。以下是STM32F103C8T6各引脚的定义：

| 引脚编号 | 引脚名称 | 功能描述 |
| -------- | -------- | -------- |
| 1 | PA0 | GPIO口/ADC12_IN0 |
| 2 | PA1 | GPIO口/ADC12_IN1 |
| 3 | PA2 | GPIO口/ADC12_IN2 |
| 4 | PA3 | GPIO口/ADC12_IN3 |
| 5 | PA4 | GPIO口/ADC12_IN4 |
| 6 | PA5 | GPIO口/ADC12_IN5/TIM2_CH1 |
| 7 | PA6 | GPIO口/ADC12_IN6/TIM3_CH1 |
| 8 | PA7 | GPIO口/ADC12_IN7/TIM3_CH2 |
| 9 | PA8 | GPIO口/TIM1_CH1 |
| 10 | PA9 | GPIO口/TIM1_CH2/USART1_TX |
| 11 | PA10 | GPIO口/TIM1_CH3/USART1_RX |
| 12 | PA11 | GPIO口/TIM1_CH4 |
| 13 | PA12 | GPIO口/USART1_CK |
| 14 | PA13 | SWDIO |
| 15 | PA14 | SWCLK |
| 16 | PA15 | GPIO口/TIM2_CH1N |
| 17 | PB0 | GPIO口/ADC12_IN8/TIM3_CH3 |
| 18 | PB1 | GPIO口/ADC12_IN9/TIM3_CH4 |
| 19 | PB2 | GPIO口/TIM1_CH3/TIM3_CH2 |
| 20 | PB3 | GPIO口/TIM2_CH2/TIM1_CH2N |
| 21 | PB4 | GPIO口/TIM3_CH1 |
| 22 | PB5 | GPIO口/TIM3_CH2 |
| 23 | PB6 | GPIO口/TIM4_CH1/I2C1_SCL |
| 24 | PB7 | GPIO口/TIM4_CH2/I2C1_SDA |
| 25 | PB8 | GPIO口/TIM4_CH3/TIM10_CH1 |
| 26 | PB9 | GPIO口/TIM4_CH4/TIM11_CH1 |
| 27 | PC13 | 外部晶振 |
| 28 | PC14 | 外部晶振 |
| 29 | PC15 | GPIO口 |
| 30 | PA11 | GPIO口 |
| 31 | VSS | 地 |
| 32 | VDD | 电源 |
| 33 | NRST | 复位 |
| 34 | BOOT0 | 引导选择 |
| 35 | PB10 | GPIO口/TIM2_CH3/TIM2_CH2N |
| 36 | PB11 | GPIO口/TIM2_CH4/TIM2_ETR |
| 37 | PB12 | GPIO口/TIM1_BKIN/TIM1_CH3N |
| 38 | PB13 | GPIO口/TIM1_CH1N/TIM1_CH2N |
| 39 | PB14 | GPIO口/TIM1_CH2N/TIM1_CH3N |
| 40 | PB15 | GPIO口/TIM1_CH3N/TIM1_CH4N |
| 41 | VSS | 地 |
| 42 | VDD | 电源 |
| 43 | PC0 | GPIO口/ADC12_IN10 |
| 44 | PC1 | GPIO口/ADC12_IN11 |
| 45 | PC2 | GPIO口/ADC12_IN12 |
| 46 | PC3 | GPIO口/ADC12_IN13 |
| 47 | PC4 | GPIO口/ADC12_IN14 |
| 48 | PC5 | GPIO口/ADC12_IN15 |