
STM32F21xxx
Pinouts and pin description
Table 5. STM32F21x pin and ball definitions (continued)
Pins
Pin name
Main
function(3)
(after reset)
Alternate functions
Other
functions
- - - 134 C13
- - - 135 D9
- - - 136 C9
49 76 109 137 A14
50 77 110 138 A13
51 78 111 139 B14
52 79 112 140 B13
53 80 113 141 A12
- 81 114 142 B12
- 82 115 143 C12
54 83 116 144 D12
- 84 117 145 D11
- 85 118 146 D10
- 86 119 147 C11
- - 120 148 D8
- - 121 149 C8
- 87 122 150 B11
- 88 123 151 A11
PI3
VSS_15
VDD_15
PA14
PA15
PC10
PC11
PC12
PD0
PD1
PD2
PD3
PD4
PD5
VSS_10
VDD_10
PD6
PD7
I/O FT
PI3
TIM8_ETR / SPI2_MOSI /
I2S2_SD / DCMI_D10/
EVENTOUT
S
VSS_15
S
VDD_15
I/O FT JTCK-SWCLK JTCK-SWCLK/ EVENTOUT
I/O FT
JTDI
JTDI/ SPI3_NSS/
I2S3_WS/TIM2_CH1_ETR /
SPI1_NSS/ EVENTOUT
I/O FT PC10
SPI3_SCK / I2S3_SCK /
UART4_TX / SDIO_D2 /
DCMI_D8 / USART3_TX/
EVENTOUT
I/O FT PC11
UART4_RX/ SPI3_MISO /
SDIO_D3 /
DCMI_D4/USART3_RX/
EVENTOUT
I/O FT PC12
UART5_TX/SDIO_CK /
DCMI_D9 / SPI3_MOSI /
I2S3_SD / USART3_CK/
EVENTOUT
I/O FT
PD0
FSMC_D2/CAN1_RX/
EVENTOUT
I/O FT
PD1
FSMC_D3 / CAN1_TX/
EVENTOUT
I/O FT
PD2
TIM3_ETR/UART5_RX
SDIO_CMD / DCMI_D11/
EVENTOUT
I/O FT
PD3
FSMC_CLK/USART2_CTS/
EVENTOUT
I/O FT
PD4
FSMC_NOE/USART2_RTS/
EVENTOUT
I/O FT
PD5
FSMC_NWE/USART2_TX/
EVENTOUT
S
S
I/O FT
VSS_10
VDD_10
PD6
FSMC_NWAIT/USART2_RX
/ EVENTOUT
I/O FT
PD7
USART2_CK/FSMC_NE1/F
SMC_NCE2/ EVENTOUT
Doc ID 17050 Rev 8
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