STM8S103K3U6B View Datasheet(PDF) - STMicroelectronics

Part Name

Description

Manufacturer

STM8S103K3U6B

Access line, STM8S 8-bit MCU, up to 32 Kbytes Flash, 10-bit ADC, timers, USART, SPI, I²C

STMicroelectronics 

Pinouts and pin description

STM8S103xx, STM8S105xx

5.2.1

Alternate function remapping

As shown in the rightmost column of the pin description table, some alternate functions can

be remapped at different I/O ports by programming one of 8 AFR (alternate function remap)

option bits. Refer to Section 6: Option bytes on page 29. When the remapping option is

active, the default alternate function is no longer available.

To use an alternate function, the corresponding peripheral must be enabled in the peripheral

registers.

Alternate function remapping does not effect GPIO capabilities of the I/O ports (see GPIO

section of the family reference manual, RM0016).

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