STMicroelectronics STM32L151CB Manual page 32

Pin descriptions
Table 4. STM32L15xxx pin definitions (continued)
Pins
Pin name
47 29 G7 L10 21
48 30 H7 L11 22
49 31 D6 F12 23
50 32 E6 G12 24
51 33 H8 L12 25
52 34 G8 K12 26
53 35 F8 K11 27
54 36 F7 K10 28
55 - - K9 -
56 - - K8 -
57 - - J12 -
58 - - J11 -
59 - - J10 -
60 - - H12 -
61 - - H11 -
62 - - H10 -
63 37 F6 E12 -
64 38 E7 E11
65 39 E8 E10
66 40 D8 D12 -
67 41 D7 D11 29
68 42 C7 D10 30
69 43 C6 C12 31
70 44 C8 B12 32
71 45 B8 A12 33
72 46 A8 A11 34
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function
(after reset)
PB10 I/O FT
PB11 I/O FT
V S
SS_1
V S
DD_1
PB12 I/O FT
PB13 I/O FT
PB14 I/O FT
PB15 I/O FT
PD8 I/O FT
PD9 I/O FT
PD10 I/O FT
PD11 I/O FT
PD12 I/O FT
PD13 I/O FT
PD14 I/O FT
PD15 I/O FT
PC6 I/O FT
PC7 I/O FT
PC8 I/O FT
PC9 I/O FT
PA8 I/O FT
PA9 I/O FT
PA10 I/O FT
PA11 I/O FT
PA12 I/O FT
PA13 I/O FT JTMS/SWDIO
Doc ID 17659 Rev 6
Main
(3)
PB10 I2C2_SCL/USART3_TX/TIM2_CH3/LCD_SEG10
PB11 I2C2_SDA/ USART3_RX/TIM2_CH4/LCD_SEG11
V
SS_1
V
DD_1
SPI2_NSS/I2C2_SMBA/USART3_CK/LCD_SEG12/
PB12
ADC_IN18/COMP1_INP/TIM10_CH1
SPI2_SCK/USART3_CTS/LCD_SEG13/ADC_IN19/
PB13
SPI2_MISO/ USART3_RTS/LCD_SEG14/ADC_IN20/
PB14
SPI2_MOSI/LCD_SEG15/ADC_IN21/
PB15
COMP1_INP/TIM11_CH1/RTC_50_60Hz
PD8
PD9
PD10
PD11
PD12
PD13
PD14
PD15
PC6
PC7
PC8
PC9
PA8 USART1_CK/MCO/LCD_COM0
PA9
PA10
PA11 USART1_CTS/ USBDM/SPI1_MISO
PA12 USART1_RTS/USBDP/SPI1_MOSI
STM32L151xx, STM32L152xx
Alternate functions
COMP1_INP/TIM9_CH1
COMP1_INP/TIM9_CH2
USART3_TX/LCD_SEG28
USART3_RX/LCD_SEG29
USART3_CK/LCD_SEG30
USART3_CTS/LCD_SEG31
TIM4_CH1 / USART3_RTS/
LCD_SEG32
TIM4_CH2/LCD_SEG33
TIM4_CH3/LCD_SEG34
TIM4_CH4/LCD_SEG35
TIM3_CH1/LCD_SEG24
TIM3_CH2/LCD_SEG25
TIM3_CH3/LCD_SEG26
TIM3_CH4/LCD_SEG27
USART1_TX / LCD_COM1
USART1_RX / LCD_COM2
PA13