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STM8S103K3 Datasheet, PDF (19/113 Pages) STMicroelectronics – Access line, 16 MHz STM8S 8-bit MCU, up to 8 Kbytes Flash, data
STM8S103K3 STM8S103F3 STM8S103F2
Pinout and pin description
5
Pinout and pin description
Type
Level
Output speed
Table 4: Legend/abbreviations for pinout tables
I= Input, O = Output, S = Power supply
Input
CM = CMOS
Output
HS = High sink
O1 = Slow (up to 2 MHz)
O2 = Fast (up to 10 MHz)
O3 = Fast/slow programmability with slow as default state after reset
O4 = Fast/slow programmability with fast as default state after reset
Port and control
configuration
Reset state
Input
Output
float = floating, wpu = weak pull-up
T = True open drain, OD = Open drain, PP =
Push pull
Bold X (pin state after internal reset release).
Unless otherwise specified, the pin state is the same during the reset
phase and after the internal reset release.
5.1
STM8S103Kx UFQFPN32/LQFP32 pinout and pin description
Figure 3: STM8S103Kx UFQFPN32/LQFP32 pinout
NRST
OSCIN/PA1
OSCOUT/PA2
VSS
VCAP
VDD
[SPI_NSS] TIM2_CH3/(HS)PA3
PF4
32 31 30 29 28 27 26 25
1
24
2
23
3
22
4
21
5
20
6
19
7
18
8
17
9 10 11 12 13 14 15 16
PC7 (HS)/SPI_MISO
PC6 (HS)/SPI_MOSI
PC5 (HS)/SPI_SCK
PC4 (HS)/TIM1_CH4/CLK_CCO
PC3 (HS)/TIM1_CH3
PC2 (HS)/TIM1_CH2
PC1 (HS)/TIM1_CH1/UART1_CK
PE5 (HS)/SPI_NSS
DocID15441 Rev 6
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