Datasheet

Pin descriptions STM32L151x6/8/B, STM32L152x6/8/B
36/131 DocID17659 Rev 9
Table 8. STM32L15xxx pin definitions
Pins
Pin name
Pin type
(1)
I/O structure
Main
function
(2)
(after reset)
Alternate functions
LQFP100
LQFP64
TFBGA64
UFBGA100
LQFP48 or UFQFPN48
1 - - B2 - PE2 I/O FT PE2 TRACECLK/LCD_SEG38/TIM3_ETR
2 - - A1 - PE3 I/O FT PE3 TRACED0/LCD_SEG39/TIM3_CH1
3 - - B1 - PE4 I/O FT PE4 TRACED1/TIM3_CH2
4 - - C2 - PE5 I/O FT PE5 TRACED2/TIM9_CH1
5 - - D2 - PE6-WKUP3 I/O FT PE6 TRACED3/WKUP3/TIM9_CH2
61B2E21 V
LCD
(3)
SV
LCD
-
72A2C12
PC13-
WKUP2
I/O FT PC13 RTC_TAMP1/RTC_TS/RTC_OUT/WKUP2
83A1D13
PC14-
OSC32_IN
(4)
I/O TC PC14 OSC32_IN
94B1E14
PC15-
OSC32_OUT
(4)
I/O TC PC15 OSC32_OUT
10 - - F2 - V
SS_5
S- V
SS_5
-
11 - - G2 - V
DD_5
S- V
DD_5
-
12 5 C1 F1 5
PH0-
OSC_IN
(5)
I/O TC PH0 OSC_IN
13 6 D1 G1 6
PH1-
OSC_OUT
I/O TC PH1 OSC_OUT
14 7 E1 H2 7 NRST I/O RST NRST -
15 8 E3 H1 - PC0 I/O FT PC0 ADC_IN10/LCD_SEG18/COMP1_INP
16 9 E2 J2 - PC1 I/O FT PC1 ADC_IN11/LCD_SEG19/COMP1_INP
17 10 F2 J3 - PC2 I/O FT PC2 ADC_IN12/LCD_SEG20/COMP1_INP
18 11 -
(6)
K2
- PC3 I/O TC PC3 ADC_IN13/LCD_SEG21/COMP1_INP
19 12 F1 J1 8 V
SSA
S- V
SSA
-
20 - - K1 - V
REF-
S- V
REF-
-
21 -
G1
(6)
L1 - V
REF+
S- V
REF+
-