Datasheet

Pinouts and pin description STM32F21xxx
50/175 DocID17050 Rev 9
38 64 97 116 G15 PC7 I/O FT
I2S3_MCK,
TIM8_CH2,SDIO_D7,
USART6_RX,
DCMI_D1,TIM3_CH2,
EVENTOUT
39 65 98 117 G14 PC8 I/O FT
TIM8_CH3,SDIO_D0,
TIM3_CH3, USART6_CK,
DCMI_D2, EVENTOUT
40 66 99 118 F14 PC9 I/O FT
I2S2_CKIN, I2S3_CKIN,
MCO2, TIM8_CH4,SDIO_D1,
I2C3_SDA, DCMI_D3,
TIM3_CH4, EVENTOUT
41 67 100 119 F15 PA8 I/O FT
MCO1, USART1_CK,
TIM1_CH1, I2C3_SCL,
OTG_FS_SOF, EVENTOUT
42 68 101 120 E15 PA9 I/O FT
USART1_TX, TIM1_CH2,
I2C3_SMBA, DCMI_D0,
EVENTOUT
OTG_FS_
VBUS
43 69 102 121 D15 PA10 I/O FT
USART1_RX, TIM1_CH3,
OTG_FS_ID,DCMI_D1,
EVENTOUT
44 70 103 122 C15 PA11 I/O FT
USART1_CTS, CAN1_RX,
TIM1_CH4, OTG_FS_DM,
EVENTOUT
45 71 104 123 B15 PA12 I/O FT
USART1_RTS, CAN1_TX,
TIM1_ETR, OTG_FS_DP,
EVENTOUT
46 72 105 124 A15
PA13
(JTMS-SWDIO)
I/O FT JTMS-SWDIO, EVENTOUT
47 73 106 125 F13 V
CAP_2
S
- 74 107 126 F12 V
SS
S
48 75 108 127 G13 V
DD
S
- - - 128 E12 PH13 I/O FT
TIM8_CH1N, CAN1_TX,
EVENTOUT
- - - 129 E13 PH14 I/O FT
TIM8_CH2N, DCMI_D4,
EVENTOUT
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