Table 4. Stm32L15Xxx Pin Definitions - STMicroelectronics STM32L151CB Manual

Pin descriptions
Table 4. STM32L15xxx pin definitions
Pins
Pin name
1 - B2 -
2 - A1 -
3 - B1 -
4 - C2 -
5 - D2 -
6 1 B2 E2 1
7 2 A2 C1 2
RTC_AF1
8 3 A1 D1 3
OSC32_IN
9 4 B1 E1 4 OSC32_OUT
10 - - F2 -
11 - - G2 -
12 5 C1 F1 5
OSC_IN
13 6 D1 G1 6
OSC_OUT
14 7 E1 H2 7
15 8 E3 H1 -
16 9 E2 J2 -
17 10 F2 J3 -
(7)
18 11 - K2 -
19 12 F1 J1 8
20 - - K1 -
G1
21 - L1 -
(7)
22 13 H1 M1 9
23 14 G2 L2 10 PA0-WKUP1
30/109
function
(after reset)
PE2 I/O FT
PE3 I/O FT
PE4 I/O FT
PE5 I/O FT
PE6 I/O FT
(4)
V S
LCD
PC13-
I/O FT
PC14-
I/O
(5)
PC15-
I/O
(5)
V S
SS_5
V S
DD_5
PH0-
I
(6)
PH1-
O
NRST I/O
PC0 I/O FT
PC1 I/O FT
PC2 I/O FT
PC3 I/O
V S
SSA
V S
REF-
V S
REF+
V S
DDA
I/O FT
Doc ID 17659 Rev 6
Main
(3)
PE2 TRACECK/LCD_SEG38/TIM3_ETR
PE3 TRACED0/LCD_SEG39/TIM3_CH1
PE4
PE5
PE6 TRACED3/WKUP3/TIM9_CH2
V
LCD
PC13
PC14
PC15
V
SS_5
V
DD_5
PH0
PH1
NRST
PC0 ADC_IN10/LCD_SEG18/ COMP1_INP
PC1 ADC_IN11/LCD_SEG19/ COMP1_INP
PC2 ADC_IN12/LCD_SEG20/ COMP1_INP
PC3 ADC_IN13/LCD_SEG21/ COMP1_INP
V
SSA
V
REF-
V
REF+
V
DDA
WKUP1/USART2_CTS/ADC_IN0/TIM2_CH1_ETR/
PA0
STM32L151xx, STM32L152xx
Alternate functions
TRACED1/TIM3_CH2
TRACED2/TIM9_CH1
RTC_AF1/WKUP2
OSC32_IN
OSC32_OUT
OSC_IN
OSC_OUT
COMP1_INP