Datasheet

DocID026284 Rev 4 37/128
STM32F091xB STM32F091xC Pinouts and pin descriptions
40
M11 45 - - - - PE14 I/O FT
SPI1_MISO, I2S1_MCK,
TIM1_CH4
-
M12 46 - - - - PE15 I/O FT
SPI1_MOSI, I2S1_SD,
TIM1_BKIN
-
L10 47 G7 29 G3 21 PB10 I/O FTf
SPI2_SCK, I2S2_CK,
I2C2_SCL,
USART3_TX, CEC,
TSC_SYNC, TIM2_CH3
-
L1148H730H322 PB11 I/O FTf
USART3_RX, TIM2_CH4,
EVENTOUT,
TSC_G6_IO1,
I2C2_SDA
-
F1249D531H223 VSS S - Ground
G12 50 E5 32 H1 24 VDD S - Digital power supply
L12 51 H8 33 G2 25 PB12 I/O FT
TIM1_BKIN, TIM15_BKIN,
SPI2_NSS, I2S2_WS,
USART3_CK,
TSC_G6_IO2,
EVENTOUT
-
K12 52 G8 34 F2 26 PB13 I/O FTf
SPI2_SCK, I2S2_CK,
I2C2_SCL,
USART3_CTS,
TIM1_CH1N,
TSC_G6_IO3
-
K11 53 F8 35 G1 27 PB14 I/O FTf
SPI2_MISO, I2S2_MCK,
I2C2_SDA,
USART3_RTS,
TIM1_CH2N, TIM15_CH1,
TSC_G6_IO4
-
K10 54 F7 36 F1 28 PB15 I/O FT
SPI2_MOSI, I2S2_SD,
TIM1_CH3N,
TIM15_CH1N,
TIM15_CH2
WKUP7,
RTC_REFIN
K9 55 - - - - PD8 I/O FT USART3_TX -
K8 56 - - - - PD9 I/O FT USART3_RX -
J12 57 - - - - PD10 I/O FT USART3_CK -
J11 58 - - - - PD11 I/O FT USART3_CTS -
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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