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STM32L151xC STM32L152xC
Pin descriptions
52
Pin
functions
Alternate
functions
Functions selected through GPIOx_AFR registers
Additional
functions
Functions directly selected/enabled through peripheral registers
Table 8. Legend/abbreviations used in the pinout table (continued)
Name
Abbreviation
Definition
Table 9. STM32L151xC and STM32L152xC pin definitions
Pins
Pin name
Pin type
(1)
I / O
S
tructure
Main
function
(2)
(after
reset)
Pin functions
UFBGA1
00
LQF
P
10
0
LQ
FP6
4
WLCSP63
LQ
FP4
8 or UF
QF
PN48
Alternate functions
Additional functions
B2
1
-
-
-
PE2
I/O
FT
PE2
TIM3_ETR/LCD_SEG38
/TRACECLK
-
A1
2
-
-
-
PE3
I/O
FT
PE3
TIM3_CH1/LCD_SEG39
/TRACED0
-
B1
3
-
-
-
PE4
I/O
FT
PE4
TIM3_CH2/TRACED1
-
C2
4
-
-
-
PE5
I/O
FT
PE5
TIM9_CH1/TRACED2
-
D2
5
-
-
-
PE6-
WKUP3
I/O
FT
PE6
TIM9_CH2/ TRACED3
WKUP3/
RTC_TAMP3
E2
6
1
C7
1
V
LCD
(3)
S
-
V
LCD
-
-
C1
7
2
D5
2
PC13-
WKUP2
I/O
FT
PC13
-
WKUP2/
RTC_TAMP1/
RTC_TS/RTC_OUT
D1
8
3
D7
3
PC14-
OSC32_IN
(4)
I/O
TC
PC14
-
OSC32_IN
E1
9
4
D6
4
PC15-
OSC32_OUT
I/O
TC
PC15
-
OSC32_OUT
F2
10
-
-
-
V
SS_5
S
-
V
SS_5
-
-
G2
11
-
-
-
V
DD_5
S
-
V
DD_5
-
-
F1
12
5
F6
5
PH0-
OSC_IN
(5)
I/O
TC
PH0
-
OSC_IN