Datasheet

STM32F313xx Pinouts and pin description
Doc ID 023636 Rev 1 37/58
91 57 41 PB5 I/O FT
SPI3_MOSI, SPI1_MOSI,
I2S3_SD, I2C1_SMBA,
USART2_CK, TIM16_BKIN,
TIM3_CH2, TIM8_CH3N
(3)
,
TIM17_CH1
92 58 42 PB6 I/O FTf
I2C1_SCL, USART1_TX,
TIM16_CH1N, TIM4_CH1,
TIM8_CH1
(3)
, TSC_G5_IO3,
TIM8_ETR, TIM8_BKIN2
(3)
93 59 43 PB7 I/O FTf
I2C1_SDA, USART1_RX,
TIM3_CH4, TIM4_CH2,
TIM17_CH1N, TIM8_BKIN,
TSC_G5_IO4
94 60 44 BOOT0 I B Boot memory selection
95 61 45 PB8 I/O FTf
I2C1_SCL, CAN_RX,
TIM16_CH1, TIM4_CH3,
TIM8_CH2
(3)
, TIM1_BKIN,
TSC_SYNC, COMP1_OUT
96 62 46 PB9 I/O FTf
I2C1_SDA, CAN_TX,
TIM17_CH1, TIM4_CH4,
TIM8_CH3
(3)
, IR_OUT,
COMP2_OUT
97 PE0 I/O FT
(1)
USART1_TX, TIM4_ETR,
TIM16_CH1
98 PE1 I/O FT
(1)
USART1_RX, TIM17_CH1
99 63 47 VSS_1 S Ground
100 64 48 VDD_1 S Digital power supply
1. When using the small packages (48 and 64 pin packages), the GPIO pins which are not present on these packages, must
not be configured in analog mode.
2. Function availability depends on the chosen device.
3. On STM32F313xx devices only.
Table 13. STM32F313xx pin definitions (continued)
Pin number
Pin name
(function
after
reset)
Pin type
I/O structure
Notes
Pin functions
LQF
P100
LQF
P64
LQF
P48
Alternate functions Additional functions