STMicroelectronics STM32L151CB Manual page 31

STM32L151xx, STM32L152xx
Table 4. STM32L15xxx pin definitions (continued)
Pins
Pin name
24 15 H2 M2 11
25 16 F3 K3 12
26 17 G3 L3 13
27 18 C2 E3 -
28 19 D2 H3 -
29 20 H3 M3 14
30 21 F4 K4 15
31 22 G4 L4 16
32 23 H4 M4 17
33 24 H5 K5 -
34 25 H6 L5 -
35 26 F5 M5 18
36 27 G5 M6 19
37 28 G6 L6 20
38 - - M7 -
39 - - L7 -
40 - - M8 -
41 - - L8 -
42 - - M9 -
43 - - L9 -
44 - - M10 -
45 - - M11 -
46 - - M12 -
function
(after reset)
PA1 I/O FT
PA2 I/O FT
PA3 I/O
V S
SS_4
V S
DD_4
PA4 I/O
PA5 I/O
PA6 I/O FT
PA7 I/O FT
PC4 I/O FT
PC5 I/O FT
PB0 I/O
PB1 I/O FT
PB2 I/O FT PB2/BOOT1
PE7 I/O
PE8 I/O
PE9 I/O
PE10 I/O
PE11 I/O FT
PE12 I/O FT
PE13 I/O FT
PE14 I/O FT
PE15 I/O FT
Doc ID 17659 Rev 6
Main
(3)
USART2_RTS/ADC_IN1/ TIM2_CH2/LCD_SEG0/
PA1
USART2_TX/ADC_IN2/ TIM2_CH3/TIM9_CH1/
PA2
USART2_RX/ADC_IN3/TIM2_CH4/TIM9_CH2/
PA3
V
SS_4
V
DD_4
PA4
ADC_IN4/DAC_OUT1/COMP1_INP
PA5
DAC_OUT2/TIM2_CH1_ETR/COMP1_INP
SPI1_MISO/ADC_IN6/TIM3_CH1/
PA6
SPI1_MOSI/ADC_IN7/TIM3_CH2/
PA7
LCD_SEG4/TIM11_CH1/COMP1_INP
PC4 ADC_IN14/LCD_SEG22/COMP1_INP
PC5 ADC_IN15/LCD_SEG23/COMP1_INP
ADC_IN8/TIM3_CH3/LCD_SEG5/
PB0
ADC_IN9/TIM3_CH4/LCD_SEG6/
PB1
PE7
PE8
PE9 ADC_IN24/TIM2_CH1_ETR/COMP1_INP
PE10 ADC_IN25/TIM2_CH2/COMP1_INP
PE11
PE12
PE13
PE14
PE15
Pin descriptions
Alternate functions
COMP1_INP
LCD_SEG1/COMP1_INP
LCD_SEG2/COMP1_INP
SPI1_NSS/ USART2_CK/
SPI1_SCK/ADC_IN5/
LCD_SEG3/TIM10_CH1/
COMP1_INP
COMP1_INP/VREF_OUT
COMP1_INP/VREF_OUT
ADC_IN22/COMP1_INP
ADC_IN23/COMP1_INP
TIM2_CH3
TIM2_CH4/SPI1_NSS
SPI1_SCK
SPI1_MISO
SPI1_MOSI
31/109