STM8S903K3 STMicroelectronics, STM8S903K3 Datasheet - Page 22

• 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

Pinout and pin description
5.2
22/115
STM8S903F3 UFQFPN20 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).
OSCOUT/PA2
OSCIN/PA1
NRST
VCAP
V SS
Figure 4: STM8S903F3 UFQFPN20 pinout
1
2
3
4
5
6
20
DocID15590 Rev 6
7
19
18
8
17
9
16
10
15
14
13
12
11
PD1(HS)/SWIM
PC6(HS)/SPI_MOSI/[TIM1_CH1]
PC4(HS)/TIM1_CH4/CLK_CCO/AIN2/[TIM1_CH2N]
PC7(HS)/SPI_MISO/[TIM1_CH2]
PC5 (HS)/SPI_SCK/[TIM5_CH1]
DD
not implemented).
STM8S903K3 STM8S903F3