Datasheet

Pin descriptions STM32L151x6/8/B, STM32L152x6/8/B
38/131 DocID17659 Rev 9
41 - - L8 - PE10 I/O TC PE10 ADC_IN25/TIM2_CH2/COMP1_INP
42 - - M9 - PE11 I/O FT PE11 TIM2_CH3
43 - - L9 - PE12 I/O FT PE12 TIM2_CH4/SPI1_NSS
44 - - M10 - PE13 I/O FT PE13 SPI1_SCK
45 - - M11 - PE14 I/O FT PE14 SPI1_MISO
46 - - M12 - PE15 I/O FT PE15 SPI1_MOSI
47 29 G7 L10 21 PB10 I/O FT PB10
I2C2_SCL/USART3_TX/TIM2_CH3/
LCD_SEG10
48 30 H7 L11 22 PB11 I/O FT PB11
I2C2_SDA/USART3_RX/TIM2_CH4/LCD_SE
G11
49 31 D6 F12 23 V
SS_1
S- V
SS_1
-
50 32 E6 G12 24 V
DD_1
S- V
DD_1
-
51 33 H8 L12 25 PB12 I/O FT PB12
SPI2_NSS/I2C2_SMBA/USART3_CK/
LCD_SEG12/ADC_IN18/COMP1_INP/
TIM10_CH1
52 34 G8 K12 26 PB13 I/O FT PB13
SPI2_SCK/USART3_CTS/LCD_SEG13/
ADC_IN19/COMP1_INP/TIM9_CH1
53 35 F8 K11 27 PB14 I/O FT PB14
SPI2_MISO/USART3_RTS/LCD_SEG14/
ADC_IN20/COMP1_INP/TIM9_CH2
54 36 F7 K10 28 PB15 I/O FT PB15
SPI2_MOSI/LCD_SEG15/
ADC_IN21/COMP1_INP/TIM11_CH1/
RTC_REFIN
55 - - K9 - PD8 I/O FT PD8 USART3_TX/LCD_SEG28
56 - - K8 - PD9 I/O FT PD9 USART3_RX/LCD_SEG29
57 - - J12 - PD10 I/O FT PD10 USART3_CK/LCD_SEG30
58 - - J11 - PD11 I/O FT PD11 USART3_CTS/LCD_SEG31
59 - - J10 - PD12 I/O FT PD12 TIM4_CH1/USART3_RTS/LCD_SEG32
60 - - H12 - PD13 I/O FT PD13 TIM4_CH2/LCD_SEG33
Table 8. STM32L15xxx pin definitions (continued)
Pins
Pin name
Pin type
(1)
I/O structure
Main
function
(2)
(after reset)
Alternate functions
LQFP100
LQFP64
TFBGA64
UFBGA100
LQFP48 or UFQFPN48