STM8S903K3 STMicroelectronics, STM8S903K3 Datasheet - Page 21

• Manufacturer Part Number: STM8S903K3
• Description: 16 MHz STM8S 8-bit MCU, up to 8 Kbytes Flash, 1 Kbyte RAM, 640 bytes EEPROM
• Manufacturer: STMicroelectronics

Specifications of STM8S903K3

• Program Memory: 8 Kbytes Flash; data retention 20 years at 55 °C after 10 kcycles
• Data Memory: 640 bytes true data EEPROM; endurance 300 kcycles
• Ram: 1 Kbytes
• Advanced Control Timer: 16-bit, 4 CAPCOM channels, 3 complementary outputs, dead-time insertion and flexible synchronization

STM8S903K3 STM8S903F3
5.1
STM8S903F3 TSSOP20/SO20 pinout
1. (HS) high sink capability.
2. (T) true open drain (P-buffer and protection diode to V
3. [ ] alternate function remapping option (if the same alternate function is shown twice, it
indicates an exclusive choice not a duplication of the function).
TIM5_CH1[UART1_CK]BEEP/PD4(HS)
[SPI_NSS]/TIM5_CH3/PA3(HS)
AIN6/UART1_RX/PD6(HS)
AIN5/UART1_TX/PD5(HS)
Figure 3: STM8S903F3 TSSOP20/SO20 pinout
OSCOUT/PA2
OSCIN/PA1
NRST
VCAP
DocID15590 Rev 6
V DD
V SS
1
2
3
4
5
6
7
8
9
10
20
19
18
17
16
15
14
13
12
11
PD3(HS)/AIN4/TIM5_CH2/ADC_ETR
PD2(HS)/AIN3[TIM5_CH3]
PD1(HS)/SWIM
PC7(HS)/SPI_MISO[TIM1_CH2]
PC6(HS)/SPI_MOSI[TIM1_CH1]
PC5(HS)/SPI_SCK[TIM5_CH1]
PC4(HS)/TIM1_CH4/CLK_CCO/AIN2/[TIM1_CH2N]
PC3(HS)/TIM1_CH3[TLI][TIM1_CH1N]
PB4(T)/I2C_SCL[ADC_ETR]
PB5(T)/[TIM1_BKIN]I2C_SDA
DD
not implemented).
Pinout and pin description
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