Pin descriptions
STM32L151xC STM32L152xC
44/135
DocID022799 Rev 10
A11
72 46 C2 34
PA13
I/O
FT
JTMS-
SWDIO
JTMS-SWDIO
-
C11
73
-
-
-
PH2
I/O
FT
PH2
-
-
F11
74 47 A1 35
V
SS_2
S
-
V
SS_2
-
-
G11 75 48 B2 36
V
DD_2
S
-
V
DD_2
-
-
A10
76 49 C3 37
PA14
I/O
FT
JTCK-
SWCLK
JTCK-SWCLK
-
A9
77 50 A2 38
PA15
I/O
FT
JTDI
TIM2_CH1_ETR/
SPI1_NSS/
SPI3_NSS/I2S3_WS/
LCD_SEG17/JTDI
-
B11
78 51 B3
-
PC10
I/O
FT
PC10
SPI3_SCK/I2S3_CK/
USART3_TX/
LCD_SEG28/
LCD_SEG40/
LCD_COM4
-
C10 79 52 A3
-
PC11
I/O
FT
PC11
SPI3_MISO/
USART3_RX/
LCD_SEG29/
LCD_SEG41/
LCD_COM5
-
B10
80 53 B4
-
PC12
I/O
FT
PC12
SPI3_MOSI/I2S3_SD/
USART3_CK/
LCD_SEG30/
LCD_SEG42/
LCD_COM6
-
C9
81
-
-
-
PD0
I/O
FT
PD0
TIM9_CH1/SPI2_NSS/
I2S2_WS
-
B9
82
-
-
-
PD1
I/O
FT
PD1
SPI2_SCK/I2S2_CK
-
C8
83 54 A4
-
PD2
I/O
FT
PD2
TIM3_ETR/LCD_SEG31
/LCD_SEG43/
LCD_COM7
-
Table 9. STM32L151xC and STM32L152xC pin definitions (continued)
Pins
Pin name
Pin type
(1)
I / O S
tru
ctu
re
Main
function
(2)
(after
reset)
Pin functions
UFBGA
100
LQ
FP10
0
LQ
FP6
4
WL
CS
P63
LQF
P
48
or
UF
QF
PN48
Alternate functions
Additional functions