系统版本:IC系统
stm32f103c8t6的引脚功能:
1-VBAT
2-PC13-ANTI_TAMP
3-PC14-OSC32_IN
4-PC15-OSC32_OUT
5-PD0 OSC_IN
6-PD1 OSC_OUT
7-NRST
8-VSSA
9-VDDA
10-PA0-WKUP/USART2_CTS/ADC_INO/TIM2_CH1_ETR
11-PA1/USART2_RTS/ADC_IN1/TIM2_CH2
12-PA2/USART2_TX/ADC_IN2/TIM2_CH3
13-PA3/USART2_RX/ADC_IN3/TIM2_CH4
14-PA4/SPI1_NSS/USART2_CK/ADC_IN4
15-PA5/SPI1_SCK/ADC_IN5
16-PA6/SPI1_MISO/ADC_IN6/TIM3_CH1
17-PA7/SPI1_MOSI/ADC_IN7/TIM3_CH2
18-PB0/ADC_IN8/ TIM3_CH3
19-PB1/ADC_IN9/ TIM3_CH4
20-PB2/ BOOT1
21-PB10/I2C2_SCL/ USART3_TX
22-PB11/I2C2_SDA/ USART3_RX
23- vss_1
24-VDD_1
25-PB12/SPI2_NSS/12C2_SMBA1/USART3_CK/TIM1_BKIN
26-PB13/SPI2_SCK/USART3_CTS/TIM1_CH1N
27-PB14/SPI2_MISO/USART3_RTS/TIM1_CH2N28 PB15/SPI2_MOSI/TIM1_CH3N
29-PA8/USART1_CK/TIM1_CH1/MCO30 PA9/USART1_TX/TIM1_CH2
31-PA10/USART1_RX/TIM1_CH3
32-PA11/USART1_CTS/CANRX/USBDM/TIM1_CH4
33-PA12/USART1_RTS/CANTX/USBDP/TIM1_ETR
34-PA13/JTMS/SwDIO
35-vss_2
36-VDD_2
37-PA14/JTCK/sWCLK
38-PA15/JTDI
39-PB3/JTDO/TRACESWO
40-PB4/JNTRST
(图片来源于互联网)