Option bytes
STM8S003K3 STM8S003F3
Option byte no.
Description(1)
1: Port D0 alternate function = CLK_CCO.
AFR[4:2] Alternate function remapping options 4:2
Reserved.
AFR1 Alternate function remapping option 1
0: AFR1 remapping option inactive: Default alternate functions(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. It is forbidden to enable
both AFR1 and AFR0.
(2) Refer to pinout description.
Table 14: STM8S003F3 alternate function remapping bits for 20-pin devices
Option byte no.
Description
OPT2
AFR7 Alternate function remapping option 7
0: AFR7 remapping option inactive: Default alternate
functions(1)
.
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)
.
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)
.
1: Port C3 alternate function = TLI.
AFR2 Alternate function remapping option 2
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