STM8S903K3 STMicroelectronics, STM8S903K3 Datasheet - Page 108

• 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

Ordering information
108/115
OPT2 alternate function remapping for STM8S903F3
Do not use more than one remapping option in the same port.
OPT3 watchdog
AFR1, AFR0
(check only one option)
AFR2
AFR3
(check only one option)
AFR4
(check only one option)
AFR5
AFR6
AFR7
(check only one option)
WWDG_HALT
(check only one option)
WWDG_HW
(check only one option)
DocID15590 Rev 6
[ ] 0: No reset generated on halt if WWDG active
[ ] 1: Reset generated on halt if WWDG active
[ ] 0: WWDG activated by software
[ ] 1: WWDG activated by hardware
[ ] 00: Remapping options inactive. Default alternate
functions used. Refer to pinout description.
[ ] 01: Port C5 alternate function = TIM5_CH1, port
C6 alternate function = TIM1_CH1, and port C7
alternate function = TIM1_CH2.
[ ] 10: Port A3 alternate function = SPI_NSS and
port D2 alternate function = TIM5_CH3.
[ ] 11: Port D2 alternate function = TIM5_CH3, port
C5 alternate function = TIM5_CH1, port C6
alternate function = TIM1_CH1, port C7 alternate
function = TIM1_CH2, port E5 alternate function =
TIM1_CH1N, port A3 alternate function =
UART1_TX, and port F4 alternate function =
UART1_RX.
Reserved
[ ] 0: Remapping option inactive. Default alternate
functions used. Refer to pinout description.
[ ] 1: Port C3 alternate function = TLI.
[ ] 0: Remapping option inactive. Default alternate
functions used. Refer to pinout description.
[ ] 1: Port B4 alternate function = ADC_ETR, port
B5 alternate function = TIM1_BKIN.
Reserved
Reserved
[ ] 0: Remapping option inactive. Default alternate
functions used. Refer to pinout description.
[ ] 1: Port C3 alternate function = TIM1_CH1N, port
C4 alternate function = TIM1_CH2N.
STM8S903K3 STM8S903F3