Datasheet

STM8L052C6 Pin description
Doc ID 022924 Rev 2 23/52
27
PB3/TIM2_ETR/
LCD_SEG13/
ADC1_IN15
I/O TT
(2)
XXXHSXXPort B3
Timer 2 - external trigger /
LCD segment 13
/ADC1_IN15
28
PB4
(4)
/[SPI1_NSS]
(8)
/
LCD_SEG14/
ADC1_IN14
I/O TT
(2)
X
(4)
X
(4)
XHSX XPort B4
[SPI1 master/slave select] /
LCD segment 14 /
ADC1_IN14
29
PB5/[SPI1_SCK]
(8)
/
LCD_SEG15/
ADC1_IN13
I/O TT
(2)
XXXHSXXPort B5
[SPI1 clock] / LCD segment
15 / ADC1_IN13
30
PB6/[SPI1_MOSI]
(8)
/
LCD_SEG16/
ADC1_IN12
I/O TT
(2)
XXXHSXXPort B6
[SPI1 master out/slave in]/
LCD segment 16 /
ADC1_IN12
31
PB7/[SPI1_MISO]
(8)
/
LCD_SEG17/
ADC1_IN11
I/O TT
(2)
XXXHSXXPort B7
[SPI1 master in- slave out]
/LCD segment 17 /
ADC1_IN11
37 PC0
(3)
/I2C1_SDA I/O FT X X T
(5)
Port C0 I2C1 data
38 PC1
(3)
/I2C1_SCL I/O FT X X T
(5)
Port C1 I2C1 clock
41
PC2/USART1_RX/
LCD_SEG22/ADC1_IN6/
VREFINT
I/O TT
(2)
XXXHSXXPort C2
USART1 receive /
LCD segment 22 /
ADC1_IN6 /Internal voltage
reference output
42
PC3/USART1_TX/
LCD_SEG23/
ADC1_IN5
I/O TT
(2)
XXXHSXXPort C3
USART1 transmit /
LCD segment 23 /
ADC1_IN5
43
PC4/USART1_CK/
I2C1_SMB/CCO/
LCD_SEG24/
ADC1_IN4
I/O TT
(2)
XXXHSXXPort C4
USART1 synchronous
clock / I2C1_SMB /
Configurable clock output /
LCD segment 24/
ADC1_IN4
44
PC5/OSC32_IN
/[SPI1_NSS]
(8)
/
[USART1_TX]
(8)
I/O X X X HS X X Port C5
LSE oscillator input / [SPI1
master/slave select] /
[USART1 transmit]
45
PC6/OSC32_OUT/
[SPI1_SCK]
(8)
/
[USART1_RX]
(8)
I/O X X X HS X X Port C6
LSE oscillator output /
[SPI1 clock] / [USART1
receive]
46
PC7/LCD_SEG25/
ADC1_IN3
I/O TT
(2)
XXXHSXXPort C7
LCD segment 25
/ADC1_IN3
Table 4. Medium density value line STM8L05xxx pin description (continued)
Pin
number
Pin name
Type
I/O level
Input Output
Main function
(after reset)
Default alternate function
LQFP48
floating
wpu
Ext. interrupt
High sink/source
OD
PP