STM8L151C8T6 Datasheet, PDF (31/129 Pages) STMicroelectronics – 8-bit ultralow power MCU, up to 64 KB Flash + 2 KB data EEPROM, RTC, LCD, timers, USARTs, I2C, SPIs, ADC, DAC, comparators

STM8L15xx8, STM8L15xR6
Pin description
Table 5.
Pin
number
High density and medium+ density STM8L15x pin description (continued)
Input
Output
Pin name
Default alternate function
USART1 synchronous clock
PC4/USART1_CK/
/ I2C1_SMB / [Configurable
I2C1_SMB/[CCO]⁽²⁾/
clock output] / LCD segment
-
-
43
LCD_SEG24⁽³⁾/ADC1_IN4/
[COMP2_INM] /
I/O FT⁽⁵⁾
X
X
X HS X
X
Port
C4
24 / ADC1_IN4 /
[Comparator 2 negative
[COMP1_INP] /
input] / [Comparator 1
[LCD_COM4]
positive input] /
[LCD_COM4]⁽³⁾
PC5/OSC32_IN
72 60 44 /[SPI1_NSS]⁽²⁾/
[USART1_TX]⁽²⁾
LSE oscillator input / [SPI1
I/O FT⁽⁵⁾ X X X HS X X Port C5 master/slave select] /
[USART1 transmit]
PC6/OSC32_OUT/
73 61 45 [SPI1_SCK]⁽²⁾/
[USART1_RX]⁽²⁾
I/O FT⁽⁵⁾ X
X
X HS X
X
Port
C6
LSE oscillator output / [SPI1
clock] / [USART1 receive]
PC7/LCD_SEG25⁽³⁾/
74 62 - ADC1_IN3/[COMP2_INM]
/ [COMP1_INP]
I/O FT⁽⁵⁾ X
X
X HS X
LCD segment 25
X
Port
C7
/ADC1_IN3/ [Comparator
negative input] /
2
[Comparator 1 positive input]
PC7/LCD_SEG25⁽³⁾/
ADC1_IN3/USART3_CK/
- - 46 [COMP2_INM] /
[COMP1_INP] /
[LCD_COM5]
LCD segment 25
/ADC1_IN3/ USART3
synchronous clock/
I/O FT⁽⁵⁾ X X X HS X X Port C7 [Comparator 2 negative
input] / [Comparator 1
positive input]/
[LCD_COM5]⁽³⁾
PD0/TIM3_CH2/
Timer 3 - channel 2 /
29
25
20
[ADC1_TRIG]⁽²⁾/
LCD_SEG7⁽³⁾/ADC1_IN22/
I/O FT⁽⁵⁾
X
X
X HS X
X
Port
D0
[ADC1_Trigger] / LCD
segment 7 / ADC1_IN22
/
[COMP2_INP]
[Comparator 2 positive input]
PD1/TIM3_ETR/
30
26
21
LCD_COM3⁽³⁾/ADC1_IN21/
[COMP1_INP]//
I/O FT⁽⁵⁾
X
[COMP2_INP]
X
X HS X
Timer 3 - trigger /
LCD_COM3 / ADC1_IN21 /
X Port D1 [Comparator 1 positive input]
/[Comparator 2 positive
input]
PD2/TIM1_CH1
Timer 1 - channel 1 / LCD
31 27 22 /LCD_SEG8⁽³⁾/ADC1_IN20/ I/O FT⁽⁵⁾ X X X HS X X Port D2 segment 8 / ADC1_IN20/
[COMP1_INP]
[Comparator 1 positive input]
Doc ID 17943 Rev 5
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