STM8S001J3 datasheet(39/84 Pages) STMICROELECTRONICS

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DS12129 Rev 4

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STM8S001J3

Option bytes

8.1

Alternate function remapping bits

Table 13. STM8S001J3 alternate function remapping bits for 8-pin devices

Option byte number

Description

OPT2

AFR7Alternate function remapping option 7

0: AFR7 remapping option inactive: default alternate function(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 function(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

0: AFR2 remapping option inactive: default alternate function(1)

1: Port C4 alternate function = AIN2.

AFR1 Alternate function remapping option 1 (2)

0: AFR1 remapping option inactive: default alternate function(1)

1: If AFR0=0: Port A3 alternate function = SPI_NSS.

If AFR0=1: Port A3 alternate function = UART_TX; port D6 alternate

function UART_RX unavailable.

AFR0 Alternate function remapping option 0(2)

0: AFR0 remapping option inactive: Default alternate functions(1)

1: Port C5 alternate function = TIM2_CH1; port C6 alternate function =

TIM1_CH1.

1. Refer to the pinout description.

2. Do not use more than one remapping option in the same port.

STM8S001J3 Datasheet(PDF) 39 Page - STMicroelectronics