Datasheet

DocID15962 Rev 13 31/131
STM8L151xx, STM8L152xx Pin description
56
42 28 24 A2
PC3/USART1_TX/
LCD_SEG23
(2)
/
ADC1_IN5/COMP1_INP/
COMP2_INM
I/O
TT
(3)
X XXHSXXPort C3
USART1 transmit /
LCD segment 23 /
ADC1_IN5 / Comparator
1 positive input /
Comparator 2 negative
input
43 29 25 C2
PC4/USART1_CK/
I2C1_SMB/CCO/
LCD_SEG24
(2)
/
ADC1_IN4/COMP2_INM/
COMP1_INP
I/O
TT
(3)
X XXHSXXPort C4
USART1 synchronous
clock / I2C1_SMB /
Configurable clock
output / LCD segment 24
/ ADC1_IN4 /
Comparator 2 negative
input / Comparator 1
positive input
44 30 26 A3
PC5/OSC32_IN
/[SPI1_NSS]
(4)
/
[USART1_TX]
(4)
I/O X XXHSXXPort C5
LSE oscillator input /
[SPI1 master/slave
select] / [USART1
transmit]
45 31 27 B3
PC6/OSC32_OUT/
[SPI1_SCK]
(4)
/
[USART1_RX]
(4)
I/O X XXHSXXPort C6
LSE oscillator output /
[SPI1 clock] / [USART1
receive]
46 - - -
PC7/LCD_SEG25
(2)
/
ADC1_IN3/COMP2_INM/
COMP1_INP
I/O
TT
(3)
X XXHSXXPort C7
LCD segment 25
/ADC1_IN3/ Comparator
2 negative input /
Comparator 1 positive
input
20 - 8 G3
PD0/TIM3_CH2/
[ADC1_TRIG]
(4)
/
LCD_SEG7
(2)
/
ADC1_IN22/COMP2_INP/
COMP1_INP
I/O
TT
(3)
X XXHSXXPort D0
Timer 3 - channel 2 /
[ADC1_Trigger] / LCD
segment 7 / ADC1_IN22
/ Comparator 2 positive
input / Comparator 1
positive input
Table 5. Medium density STM8L15x pin description (continued)
Pin number
Pin name
Type
I/O level
Input Output
Main function
(after reset)
Default alternate
function
LQFP48 and UFQFPN48 LQFP32 and UFQFPN32
UFQFPN28
WLCSP28
floating
wpu
Ext. interrupt
High sink/source
OD
PP