STM8S903K3 STMicroelectronics, STM8S903K3 Datasheet - Page 47

• 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
Option byte no.
Option byte no.
(1)
(2)
OPT2
Table 14: STM8S903F3 alternate function remapping bits [7:2] for 20-pin packages
Do not use more than one remapping option in the same port.
Refer to pinout description.
Description
Description
AFR5 Alternate function remapping option 5
0: AFR5 remapping option inactive: Default alternate function
1: Port D0 alternate function = CLK_CCO.
AFR4 Alternate function remapping option 4
0: AFR4 remapping option inactive: Default alternate functions
1: Port B4 alternate function = ADC_ETR; port B5 alternate function
= TIM1_BKIN.
AFR3 Alternate function remapping option 3
0: AFR3 remapping option inactive: Default alternate function
1: Port C3 alternate function = TLI.
AFR2 Alternate function remapping option 2
0: AFR2 remapping option inactive: Default alternate functions
1: Port C4 alternate function = AIN2; port D2 alternate function =
AIN3; port D4 alternate function = UART1_CK.
AFR7 Alternate function remapping option 7
0: AFR7 remapping option inactive: Default alternate functions
1: Port C3 alternate function = TIM1_CH1N; port C4 alternate
function = TIM1_CH2N.
AFR6 Alternate function remapping option 6
Reserved.
AFR5 Alternate function remapping option 5
Reserved.
AFR4 Alternate function remapping option 4
0: AFR4 remapping option inactive: Default alternate functions
1: Port B4 alternate function = ADC_ETR; port B5 alternate function
= TIM1_BKIN.
AFR3 Alternate function remapping option 3
DocID15590 Rev 6
(1)
(1)
Option bytes
47/115
(2)
(2)
(2)
(2)
(2)
(2)
.
.
.
.
.