Datasheet

DocID030584 Rev 2 21/84
STM8S001J3 Pinouts and pin descriptions
23
Table 5. STM8S001J3 pin description
Pin no.
Pin name Type
Input Output
Main
function
(after
reset)
Default
alternate
function
Alternate
function
after remap
[option bit]
SO8N
floating
wpu
Ext. interr.
High
sink
(1)
Speed
OD PP
1
PD6/ AIN6/
UART1 _RX
I/O X
XX HS O3 XX Port D6
Analog input
6/ UART1
data receive
-
PA1/ OSCIN
(2)
I/O X X X - O1 X X Port A1
External
clock input
(HSE clock)
-
2 VSS/VSSA S - - - - - - - Ground -
3 VCAP S - - - - - - -
1.8 V regulator
capacitor
-
4 VDD/VDDA S - - - - - - - Power supply -
5
PA3/ TIM2_ CH3
[SPI_ NSS]\
[UART1_TX]
I/O X
X X HS O3 X X Port A3
Timer 2
channel 3
SPI master/
slave select
[AFR1]
UART1 data
transmit
[AFR1 and
AFR0]
PB5/ I2C_ SDA
[TIM1_ BKIN]
I/O X
- X - O1 T
(3)
- Port B5 I2C data
Timer 1 -
break input
[AFR4]
6
PB4/ I2C_ SCL
/[ADC_ETR]
I/O X - X - O1 T
(3)
- Port B4 I2C clock
ADC
external
trigger
[AFR4]
7
PC3/ TIM1_CH3
[TLI]
[TIM1_ CH1N]
I/O X
X X HS O3 X X Port C3
Timer 1 -
channel 3
To p l e v el
interrupt
[AFR3]
Timer 1 -
inverted
channel 1
[AFR7]
PC4/ CLK_CCO/
TIM1_
CH4/[AIN2]/
[TIM1_ CH2N]
I/O X
X X HS O3 X X Port C4
Configurable
clock
output/Timer
1 - channel 4
Analog input
2 [AFR2],
Timer 1 -
inverted
channel 2
[AFR7]
PC5/ SPI_SCK
[TIM2_ CH1]
I/O X
X X HS O3 X X Port C5 SPI clock
Timer 2 -
channel 1
[AFR0]
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