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1、STM32F103VE引脚功能脚位管脚名称类型I/O电平主功能默认复用功能1PE2I/OFTPE2TRACECK/FSMC_A232PE3I/OFTPE3TRACED0/FSMC A193PE4I/OFTPE4TRACED1/FSMC A204PE5I/OFTPE5TRACED2/FSMC A215PE6I/OFTPE6TRACED3/FSMC A226VBATS-VBAT7PC13-TAMPER-RTC；I/O-PC13 (5)TAMPER-RTC8PC14- OSC32_INI/O-PC14 (5)OSC32_IN9PC15-OSC32_OUTI/O-PC15 (5)OSC32_OUT10
2、VSS 5S-VSS 511VDD 5S-VDD 512OSC INI-OSC IN13OSC OUTO-OSC OUT14NRSTI/O-NRST复位15PC0I/O-PC0ADC123 IN1016PC1I/O-PC1ADC123 IN1117PC2I/O-PC2ADC123 IN1218PC3I/O-PC3ADC123 IN1319VSSAS-VSSA20VREF-S-VREF-21VREF+S-VREF+22VDDAS-VDDA23PA0-WKUPI/O-PA0WKUP/USART2_CTS (7) ADC123_IN0 TIM2_CH1_ETR TIM5 CH1/TIM8 ETR24
3、PA1I/O-PA1USART2_RTS (7) ADC123_IN1/ TIM5 CH2/TIM2 CH2 (7)25PA2I/O-PA2USART2_TX (7) /TIM5_CH3/ ADC123 IN2/TIM2 CH3 (7)26PA3I/O-PA3USART2_RX /TIM5_CH4 ADC123 IN3/TIM2 CH4 (7)27 1VSS 4S-VSS 428VDD 4S-VDD 429PA4I/O-PA4SPI1_NSS (7) /USART2_CK (7) DAC OUT1/ADC12 IN430PA5I/O-PA5SPI1_SCK (7)DAC OUT2/ADC12
4、IN531PA6I/O-PA6SPI1_MISO /TIM8_BKINADC12 IN6/TIM3 CH1 仃)32PA7I/O-PA7SPI1_MOSI /TIM8_CH1N ADC12 IN7/TIM3 CH2 (7)33PC4I/O-PC4ADC12N1434：PC5I/O-PC5ADC12N1535PBOI/O-PB0ADC12_IN8/TIM3_CH3 TIM8 CH2N36PB1I/O-PB1ADC12_IN9/TIM3_CH4 (7)TIM8 CH3N37 :PB2I/OFTPB2/BOOT138PE7I/OFTPE7FSMC D439PE8I/OFTPE8FSMC D540PE
5、9I/OFTPE9FSMC D641 :PE10I/OFT :PE10FSMC D742PE11I/OFTPE11FSMC D843PE12I/OFTPE12FSMC D944PE13I/OFTPE13FSMC D1045PE14I/OFTPE14FSMC D1146PE15I/OFTPE15FSMC D1247PB10I/OFTPB10I2C2 SCL/USART3 TX (7)48PB11I/OFTPB11I2C2 SDA/USART3 RX (7)49VSS 1S-VSS 150VDD 1S-VDD 151PB12I/OFTPB12SPI2_NSS/I2S2_WS/I2C2_SMBA/U
6、SART3_CK (7)TIM1 BKIN (7)52PB13I/OFTPB13SPI2_SCK/I2S2_CKUSART3_CTS (7) /TIM1 CH1N53PB14I/OFTPB14SPI2_MISO/TIM1_CH2NUSART3 RTS (7)54PB15I/OFTPB15SPI2_MOSI/I2S2_SDTIM1 CH3N (7)55PD8I/OFTPD8FSMC D1356PD9I/OFTPD9FSMC D1457PD10I/OFTPD10FSMC D1558PD11I/OFTPD11FSMC A1659PD12I/OFTPD12FSMC_A1760PD13I/OFTPD13
7、FSMC A1861 1PD14I/OFT 1PD14FSMC D062PD15I/OFTPD15FSMC D163PC6I/OFTPC6I2S2_MCK/TIM8_CH1 SDIO D664PC7I/OFTPC7I2S3_MCK/TIM8_CH2SDIO D765PC8I/OFTPC8TIM8 CH3/SDIO D066PC9I/OFTPC9TIM8 CH4/SDIO/D167PA8I/OFTPA8USART1_CKTIM1 CH1 (7) /MCO68PA9I/OFTPA9USART1 TX (7)/TIM1 CH2 (7)69PA10I/OFTPA10USART1 RX (7) /TIM
8、1 CH3 (7)70PA11I/OFTPA11USART1_CTS/USBDMCAN RX (7) /TIM1 CH4 (7)71PA12I/OFTPA12USART1_RTS/USBDP/CAN TX (7) /TIM1 ETR (7)72PA13I/OFTJTMS/SWDIO73未连接74VSS 2S-VSS 275VDD 2S-VDD 276 1PA14I/OFT :JTCK/SWCLK77PA15I/OFTJTDISPI3_NSS/I2S3_WS78PC10I/OFTPC10USART4 TX/SDIO D279 :PC11I/OFTPC11USART4 RX/SDIO D380PC
9、12I/OFTPC12USART5 TX/SDIO CK81PD0I/OFTOSC IN (8)FSMC D2 (9)82PD1I/OFTOSC OUT ()FSMC D3 (9)83 dPD2I/OFTPD2TIM3 ETR/USART5 RX/SDIO CMD84PD3I/OFTPD3FSMC CLK85PD4I/OFTPD4FSMC NOE86PD5I/OFTPD5FSMC NWE87PD6I/OFTPD6FSMC NWAIT88PD7I/OFTPD7FSMC NE1/FSMC NCE289PB3I/OFTJTDOSPI3_SCK / I2S3_CK90PB4I/OFTNJTRSTSPI
10、3_MISO91PB5I/O-PB5I2C1_SMBA/ SPI3_MOSI I2S3 SD92PB6I/OFTPB6I2C1 SCL /TIM4 CH1 (7)93PB7I/OFTPB7I2C1_SDA /FSMC_NADV TIM4 CH2 (7)94 1BOOTOI-BOOT095PB8I/OFTPB8TIM4 CH3 (7) /SDIO D496PB9I/OFTPB9TIM4 CH4 /SDIO D597PE0I/OFTPE0TIM4 ETR/FSMC NBL098PE1I/OFTPE1FSMC NBL199VSS 3S-VSS 3100VDD 3S-VDD 3重定义功能TIM1_BK
11、INTIM1_CH1NTIM1_CH2NTIM1_CH3NTIM1 ETRTIM1 CH1NTIM1 CH1TIM1 CH2NTIM1 CH2TIM1 CH3NTIM1 CH3TIM1 CH4TIM1 BKINTIM2 CH3TIM2 CH4USART3 TXUSART3 RXUSART3 CKUSART3 CTSTIM4_CH1/ USART3 RTSTIM4 CH2TIM4 CH3TIM4 CH4TIM3_CH1TIM3_CH2TIM3 CH3TIM3 CH4PA13PA14TIM2_CH1_ETRPA15/SPI1 NSSUSART3 TXUSART3 RXUSART3 CKCAN RXCAN TXUSART2 CTSUSART2 RTSUSART2 TXUSART2 RXUSART2 CKPB3/TRACESWOTIM2_CH2/SPI1 SCKPB4/TIM3_CH1/SPI1 MISOTIM3_CH2/SPI1_MOSIUSART1 TXUSART1_RXI2C1 SCL/CAN RXI2C1 SDA/CAN TX
