Datasheet

Pinouts and pin description STM32F21xxx
52/175 DocID17050 Rev 9
54 83 116 144 D12 PD2 I/O FT
TIM3_ETR,UART5_RX
SDIO_CMD, DCMI_D11,
EVENTOUT
- 84 117 145 D11 PD3 I/O FT
FSMC_CLK,USART2_CTS,
EVENTOUT
- 85 118 146 D10 PD4 I/O FT
FSMC_NOE,USART2_RTS,
EVENTOUT
- 86 119 147 C11 PD5 I/O FT
FSMC_NWE,USART2_TX,
EVENTOUT
--120148D8 V
SS
S
--121149C8 V
DD
S
- 87 122 150 B11 PD6 I/O FT
FSMC_NWAIT,USART2_RX,
EVENTOUT
- 88 123 151 A11 PD7 I/O FT
USART2_CK,FSMC_NE1,
FSMC_NCE2, EVENTOUT
- - 124 152 C10 PG9 I/O FT
USART6_RX,
FSMC_NE2,FSMC_NCE3,
EVENTOUT
- - 125 153 B10 PG10 I/O FT
FSMC_NCE4_1, FSMC_NE3,
EVENTOUT
- - 126 154 B9 PG11 I/O FT
FSMC_NCE4_2,
ETH_MII_TX_EN,
ETH _RMII_TX_EN,
EVENTOUT
- - 127 155 B8 PG12 I/O FT
FSMC_NE4, USART6_RTS,
EVENTOUT
- - 128 156 A8 PG13 I/O FT
FSMC_A24, USART6_CTS,
ETH_MII_TXD0,
ETH_RMII_TXD0, EVENTOUT
- - 129 157 A7 PG14 I/O FT
FSMC_A25, USART6_TX,
ETH_MII_TXD1,
ETH_RMII_TXD1, EVENTOUT
--130158D7 V
SS
S
--131159C7 V
DD
S
Table 7. STM32F21x pin and ball definitions (continued)
Pins
Pin name
(function after
reset)
(1)
Pin type
I / O structure
Note
Alternate functions
Additional
functions
LQFP64
LQFP100 LQFP144 LQFP176
UFBGA176