STM8L151G4Y3 STMICROELECTRONICS [STMicroelectronics], STM8L151G4Y3 Datasheet - Page 30

• Manufacturer Part Number: STM8L151G4Y3
• Description: 8-bit ultralow power MCU, up to 32 KB Flash, 1 KB Data EEPROM RTC, LCD, timers, USART, I2C, SPI, ADC, DAC, comparators
• Manufacturer: STMICROELECTRONICS [STMicroelectronics]

Pin description
Table 5.
30/122
31 20 19 E1
37 25 21 B1 PC0
38 26 22 A1 PC1
41 27 23 B2
42 28 24 A2
43 29 25 C2
44 30 26 A3
45 31 27 B3
number
Pin
STM8L15x pin description (continued)
PB7/[SPI1_MISO]
LCD_SEG17
ADC1_IN11/COMP1_INP
PC2/[USART1_RX]
LCD_SEG22/ADC1_IN6/
COMP1_INP/VREF_OUT
PC3/[USART1_TX]
LCD_SEG23
ADC1_IN5/COMP1_INP/
COMP2_INM
PC4/[USART1_CK]
I2C1_SMB/CCO/
LCD_SEG24
ADC1_IN4/COMP2_INM/
COMP1_INP
PC5/OSC32_IN
/[SPI1_NSS]
[USART1_TX]
PC6/OSC32_OUT/
[SPI1_SCK]
[USART1_RX]
(4)
(4)
/I2C1_SDA
/I2C1_SCL
Pin name
(3)
(3)
(2)
(2)
(2)
(3)
/
(3)
/
/
/
/
(3)
(3)
(3)
(3)
/
/
/
/
I/O
I/O FT
I/O FT
I/O
I/O
I/O
I/O
I/O
Doc ID 15962 Rev 5
X
X
X
X
X
X
X
X
Input
X
X
X
X
X
X
X
X
X
X
X
X
X
X
HS X
HS X
HS X
HS X
HS X
HS X
Output
T
T
(6)
(6)
X Port B7
X Port C2
X Port C3
X Port C4
X Port C5
X Port C6
Port C0 I2C1 data
Port C1 I2C1 clock
STM8L151xx, STM8L152xx
[SPI1 master in- slave
out] /
LCD segment 17 /
ADC1_IN11 /
Comparator 1 positive
input
[USART1 receive] /
LCD segment 22 /
ADC1_IN6 / Comparator
1 positive input / Voltage
reference output
[USART1 transmit] /
LCD segment 23 /
ADC1_IN5 / Comparator
1 positive input /
Comparator 2 negative
input
[USART1 synchronous
clock] / I2C1_SMB /
Configurable clock
output / LCD segment 24
/ ADC1_IN4 /
Comparator 2 negative
input / Comparator 1
positive input
LSE oscillator input /
[SPI1 master/slave
select] / [USART1
transmit]
LSE oscillator output /
[SPI1 clock] / [USART1
receive]
Default alternate
function