General purpose and alternate function I/O (GPIO and AFIO) UM0306
94/519
Bit 1
I2C1_REMAP I2C1 remapping
This bit is set and cleared by software. It controls the mapping of I2C1 SCL
and SDA alternate functions on the GPIO ports.
0: No remap (SCL/PB6, SDA/PB7)
1: Remap (SCL/PB8, SDA/PB9)
Bit 0
SPI1_REMAP SPI1 remapping
This bit is set and cleared by software. It controls the mapping of SPI1 NSS,
SCK, MISO, MOSI alternate functions on the GPIO ports.
0: No remap (NSS/PA4, SCK/PA5, MISO/PA6, MOSI/PA7)
1: Remap (NSS/PA15, SCK/PB3, MISO/PB3, MOSI/PB5)