STMicroelectronics STM32L151QCH6 Manual page 39

STM32L151xC/C-A STM32L152xC/C-A
Table 8. STM32L151xC/C-A and STM32L152xC/C-A pin definitions (continued)
Pins
31 - 20 -
32 L1 21 -
33 M1 22 13 G8
34 L2 23 14 F6 PA0-WKUP1 I/O
35 M2 24 15 E6
36 - 25 16 H8
- K3 - -
- M3 - -
37 L3 26 17 G7
38 - 27 18 F5
39 - 28 19 G6
40 J4 29 20 H7
41 K4 30 21 E5
42 L4 31 22 G5
43 - 32 23 G4
Pin name
- V S
REF-
- V S
REF+
V S
DDA
PA1 I/O
PA2 I/O
- PA2 I/O
OPAMP1_VI
- I
NM
PA3 I/O
V S
SS_4
V S
DD_4
PA4 I/O
PA5 I/O
PA6 I/O
PA7 I/O
Main
(2)
function
Alternate functions
(after reset)
- V
REF-
- V
REF+
- V
DDA
FT PA0
TIM5_CH1/ USART2_CTS
TIM2_CH2/TIM5_CH2/
FT PA1
TIM2_CH3/TIM5_CH3/
FT PA2
USART2_TX/LCD_SEG1
TIM2_CH3/TIM5_CH3/
FT PA2
USART2_TX/LCD_SEG1
OPAMP1_
TC
VINM
TIM2_CH4/TIM5_CH4/
TC PA3
USART2_RX/LCD_SEG2
- V
SS_4
- V
DD_4
SPI1_NSS/SPI3_NSS/
TC PA4
I2S3_WS/USART2_CK
TC PA5
TIM3_CH1/TIM10_CH1/
FT PA6
TIM3_CH2/TIM11_CH1/
FT PA7
DocID026119 Rev 5
Pin descriptions
Pin functions
-
-
-
TIM2_CH1_ETR/
USART2_RTS/
LCD_SEG0
TIM9_CH1/
TIM9_CH1/
-
TIM9_CH2/
-
-
TIM2_CH1_ETR/
SPI1_SCK
SPI1_MISO/
LCD_SEG3
SPI1_MOSI/
LCD_SEG4
Additional
functions
-
-
-
WKUP1/
RTC_TAMP2/
ADC_IN0/
COMP1_INP
ADC_IN1/
COMP1_INP/
OPAMP1_VINP
ADC_IN2/
COMP1_INP/
OPAMP1_VINM
ADC_IN2/
COMP1_INP
-
ADC_IN3/
COMP1_INP/
OPAMP1_VOUT
-
-
ADC_IN4/
DAC_OUT1/
COMP1_INP
ADC_IN5/
DAC_OUT2/
COMP1_INP
ADC_IN6/
COMP1_INP/
OPAMP2_VINP
ADC_IN7/
COMP1_INP/
OPAMP2_VINM
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