Datasheet

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STM32F091xB STM32F091xC Pinouts and pin descriptions
40
A1076A749B337 PA14 I/O FT
(3)
(4)
USART2_TX, SWCLK -
A9 77 A6 50 A2 38 PA15 I/O FT
(3)
SPI1_NSS, I2S1_WS,
USART2_RX,
USART4_RTS,
TIM2_CH1_ETR,
EVENTOUT
-
B1178B751A3 - PC10 I/O FT
(3)
USART3_TX,
USART4_TX
-
C1079B652C4 - PC11 I/O FT
(3)
USART3_RX,
USART4_RX
-
B1080C553B4 - PC12 I/O FT
(3)
USART3_CK,
USART4_CK,
USART5_TX
-
C981---- PD0 I/OFT
(3)
SPI2_NSS, I2S2_WS,
CAN_RX
-
B982---- PD1 I/OFT
(3)
SPI2_SCK, I2S2_CK
CAN_TX
-
C8 83 B5 54 A4 - PD2 I/O FT
(3)
USART3_RTS,
TIM3_ETR, USART5_RX
-
B884---- PD3 I/OFT
SPI2_MISO, I2S2_MCK,
USART2_CTS
-
B785---- PD4 I/OFT
SPI2_MOSI, I2S2_SD,
USART2_RTS
-
A6 86 - - - - PD5 I/O FT USART2_TX -
B6 87 - - - - PD6 I/O FT USART2_RX -
A5 88 - - - - PD7 I/O FT USART2_CK -
A8 89 A5 55 D4 39 PB3 I/O FT
SPI1_SCK, I2S1_CK,
TIM2_CH2, TSC_G5_IO1,
EVENTOUT, USART5_TX
-
A7 90 A4 56 D5 40 PB4 I/O FT
SPI1_MISO, I2S1_MCK,
TIM17_BKIN, TIM3_CH1,
TSC_G5_IO2,
EVENTOUT, USART5_RX
-
Table 13. STM32F091xB/xC pin definitions (continued)
Pin numbers
Pin name
(function upon
reset)
Pin type
I/O structure
Notes
Pin functions
UFBGA100
LQFP100
UFBGA64
LQFP64
WLCSP64
LQFP48/UFQFPN48
Alternate functions
Additional
functions
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