Table 16. Alternate Functions Selected Through Gpiof_Afr Registers For Port F - STMicroelectronics STM32F042G4 Manual

Arm-based 32-bit mcu, up to 32 kb flash, crystal-less usb fs 2.0, can, 8 timers, adc & comm. interfaces, 2.0 - 3.6 v
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Pinouts and pin descriptions

Table 16. Alternate functions selected through GPIOF_AFR registers for port F

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Pin name
PF0
PF1
DocID025832 Rev 2
AF0
CRS_SYNC
-
STM32F042xx
AF1
I2C1_SDA
I2C1_SCL

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