Datasheet

STM8L052R8 Pin description
Doc ID 023133 Rev 2 23/55
33
PB2/ TIM2_CH2/
LCD_SEG12/
ADC1_IN16
I/O FT
(2)
XXXHSXXPort B2
Timer 2 - channel 2 / LCD
segment 12 / ADC1_IN16
34
PB3/TIM2_ETR/
LCD_SEG13/
ADC1_IN15
I/O FT
(2)
XXXHSXXPort B3
Timer 2 - trigger / LCD
segment 13 /ADC1_IN15
35
PB4
(3)
/[SPI1_NSS]
(8)
/
LCD_SEG14/
ADC1_IN14
I/O FT
(2)
X
(3)
X
(3)
XHSX XPort B4
[SPI1 master/slave select] /
LCD segment 14 /
ADC1_IN14
36
PB5/[SPI1_SCK]
(8)
/
LCD_SEG15/
ADC1_IN13
I/O FT
(2)
XXXHSXXPort B5
[SPI1 clock] / LCD segment
15 / ADC1_IN13
37
PB6/[SPI1_MOSI]
(8)
/
LCD_SEG16/
ADC1_IN12
I/O FT
(2)
XXXHSXXPort B6
[SPI1 master out/slave in]/
LCD segment 16 /
ADC1_IN12
38
PB7/[SPI1_MISO]
(8)
/
LCD_SEG17/
ADC1_IN11
I/O FT
(2)
XXXHSXXPort B7
[SPI1 master in- slave out]
/LCD segment 17 /
ADC1_IN11
53 PC0
(2)
/I2C1_SDA I/O FT
(2)
XXT
(4)
Port C0 I2C1 data
54 PC1
(2)
/I2C1_SCL I/O FT
(2)
XXT
(4)
Port C1 I2C1 clock
57
PC2/USART1_RX/
LCD_SEG22/ADC1_IN6/
VREFINT
I/O FT
(2)
XXXHSXXPort C2
USART1 receive /
LCD segment 22 /
ADC1_IN6 /Internal voltage
reference output
58
PC3/USART1_TX/
LCD_SEG23/
ADC1_IN5
I/O FT
(2)
XXXHSXXPort C3
USART1 transmit /
LCD segment 23 /
ADC1_IN5
59
PC4/USART1_CK/
I2C1_SMB/CCO/
ADC1_IN4
I/O FT
(2)
XXXHSXXPort C4
USART1 synchronous
clock / I2C1_SMB /
Configurable clock output /
ADC1_IN4
60
PC5/OSC32_IN
/[SPI1_NSS]
(8)
/
[USART1_TX]
(8)
I/O FT
(2)
XXXHSXXPort C5
LSE oscillator input / [SPI1
master/slave select] /
[USART1 transmit]
61
PC6/OSC32_OUT/
[SPI1_SCK]
(8)
/
[USART1_RX]
(8)
I/O FT
(2)
XXXHSXXPort C6
LSE oscillator output /
[SPI1 clock] / [USART1
receive]
62 PC7/ADC1_IN3 I/O FT
(2)
XXXHSXXPort C7 ADC1_IN3
Table 4. High density value line STM8L05xxx pin description (continued)
Pin
number
Pin name
Type
I/O level
Input Output
Main function
(after reset)
Default alternate function
LQFP64
floating
wpu
Ext. interrupt
High sink/source
OD
PP