Option bytes
STM8S003F3 STM8S003K3
8.1
Alternate function remapping bits
Table 14. STM8S003K3 alternate function remapping bits for 32-pin devices
Option byte number
Description(1)
AFR7Alternate function remapping option 7
Reserved.
AFR6 Alternate function remapping option 6
0: AFR6 remapping option inactive: default alternate function(2)
1: Port D7 alternate function = TIM1_CH4.
AFR5 Alternate function remapping option 5
0: AFR5 remapping option inactive: default alternate function(2)
1: Port D0 alternate function = CLK_CCO.
OPT2
AFR[4:2] Alternate function remapping option 4:2
Reserved.
AFR1 Alternate function remapping option 1
0: AFR1 remapping option inactive: default alternate function(2)
1: Port A3 alternate function = SPI_NSS; port D2 alternate function
TIM2_CH3
AFR0 Alternate function remapping option 0
Reserved.
1. Do not use more than one remapping option in the same port.
2. Refer to the pinout description.
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