STM8S903F3 STMicroelectronics, STM8S903F3 Datasheet - Page 24

• Manufacturer Part Number: STM8S903F3
• Description: 16 MHz STM8S 8-bit MCU, up to 8 Kbytes Flash, 1 Kbyte RAM, 640 bytes EEPROM
• Manufacturer: STMicroelectronics

Specifications of STM8S903F3

• 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
5.4
24/115
STM8S903K3 UFQFPN32/LQFP32/SDIP32 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).
[UART1_TX] [SPI_NSS] TIM5_CH3/(HS) PA3
Figure 5: STM8S903K3 UFQFPN32/LQFP32 pinout
[UART1_RX] PF4
OSCOUT/PA2
OSCIN/PA1
NRST
VCAP
DocID15590 Rev 6
V SS
V DD
1
2
3
4
5
6
7
8
32 31 30 29 28 27 26 25
9 10 11 12 13 14 15 16
24
23
22
21
20
19
18
17
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]
PC2 (HS)/TIM1_CH2 [TIM1_CH3N]
PC1 (HS)/TIM1_CH1/
PE5/SPI_NSS [TIM1_CH1N]
DD
not implemented).
STM8S903K3 STM8S903F3
UART1_CK
[TIM1_CH2N]