Datasheet

Alternate
function after
remap [option
bit]
Default alternate
function
Main
function
(after
reset)
OutputInput
Type
Pin
name
LQFP/
UFQFP
32
SDIP
32
PPODSpeed
High
sink
(1)
Ext.
interrupt
wpufloating
Port F4XXO1XXI/OPF4813
Port B7XXO1XXXI/OPB7914
Port B6XXO1XXXI/OPB61015
I
2
C dataPort B5
T
(3)
O1XXI/OPB5/
I
2
C_SDA
1116
I
2
C clockPort B4
T
(3)
O1XXI/OPB4/
I
2
C_SCL
1217
Analog input 3/ Timer
1 external trigger
Port B3XXO3HSXXXI/OPB3/AIN3/
TIM1_ETR
1318
Analog input 2/ Timer
1 - inverted channel 3
Port B2XXO3HSXXXI/OPB2/AIN2/
TIM1_CH3N
1419
Analog input 1/ Timer
1 - inverted channel 2
Port B1XXO3HSXXXI/OPB1/AIN1/
TIM1_CH2N
1520
Analog input 0/ Timer
1 - inverted channel 1
Port B0XXO3HSXXXI/OPB0/AIN0/
TIM1_CH1N
1621
SPI master/slave
select
Port E5XXO3HSXXXI/OPE5/
SPI_NSS
1722
Timer 1 - channel 1
UART1 clock
Port C1XXO3HSXXXI/OPC1/
TIM1_CH1/
UART1_CK
1823
Timer 1 - channel 2Port C2XXO3HSXXXI/OPC2/
TIM1_CH2
1924
Timer 1 - channel 3Port C3XXO3HSXXXI/OPC3/
TIM1_CH3
2025
Timer 1 - channel 4
/configurable clock
output
Port C4XXO3HSXXXI/OPC4/
TIM1_CH4/
CLK_CCO
2126
SPI clockPort C5XXO3HSXXXI/OPC5/
SPI_SCK
2227
SPI master out/slave
in
Port C6XXO3HSXXXI/OPC6/
SPI_MOSI
2328
DocID15441 Rev 922/117
STM8S103K3 STM8S103F3 STM8S103F2Pinout and pin description