STM8S003K3T6C Datasheet, PDF (23/100 Pages) STMicroelectronics – Value line, 16 MHz STM8S 8-bit MCU, 8 Kbytes Flash, 128 bytes data EEPROM, 10-bit ADC, 3 timers, UART, SPI, I²C

STM8S003K3 STM8S003F3
Pinout and pin description
Pin no.
Pin name
TSSOP20 UFQFPN20
Input
Output
Type
floating
wpu
Ext.
interr.
High
sink
(1)
Speed OD
PP
Main
function
(after
reset)
Default
alternate
function
Alternate
function after
remap [option
bit]
UART1
clock
2
19
PD5/ AIN5/ I/O X
X X HS
O3 X X Port Analog
UART1 _TX
D5
input 5/
UART1
data
transmit
3
20
PD6/ AIN6/ I/O X
X X HS
O3 X X Port Analog
UART1 _RX
D6
input 6/
UART1
data
receive
4
1
NRST
I/O
X
Reset
5
2
PA1/ OSCIN I/O X
XX
(2)
O1 X X Port
A1
Resonator/
crystal in
6
3
PA2/
I/O X
XX
OSCOUT
O1 X X Port
A2
Resonator/
crystal out
7
4
VSS
S
8
5
VCAP
S
Digital ground
1.8 V regulator
capacitor
9
6
VDD
S
Digital power supply
10
7
PA3/ TIM2_ I/O X
X X HS
O3 X X Port Timer 2
SPI master/
CH3 [SPI_
A3
channel 3 slave select
NSS]
[AFR1]
11
8
PB5/ I2C_
I/O X
X
SDA [TIM1_
BKIN]
O1 T
(3)
Port I2C data Timer 1 -
B5
break input
[AFR4]
12
9
PB4/ I2C_
I/O X
X
SCL
O1 T⁽³⁾
Port I2C clock ADC external
B4
trigger [AFR4]
13
10
PC3/
I/O X
X X HS
O3 X X Port Timer 1 - Top level
TIM1_CH3
C3
channel 3 interrupt
[TLI] [TIM1_
[AFR3] Timer
CH1N]
1 - inverted
channel 1
[AFR7]
14
11
PC4/
I/O X
X X HS
O3 X X Port Configurable Timer 1 -
CLK_CCO/
C4
clock
inverted
TIM1_
output/Timer channel 2
CH4/AIN2/[TIM1_
1 - channel [AFR7]
CH2N]
4/Analog
input 2
15
12
PC5/
I/O X
X X HS
O3 X X Port SPI clock Timer 2 -
SPI_SCK
C5
channel 1
[TIM2_ CH1]
[AFR0]
DocID018576 Rev 3
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