General purpose and alternate function I/O (GPIO and AFIO) UM0306
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5.3.6 I2C 1 alternate function remapping
Refer to AF remap and debug I/O configuration register (AFIO_MAPR)
5.3.7 SPI 1 alternate function remapping
Refer to AF remap and debug I/O configuration register (AFIO_MAPR)
Table 21. USART2 remapping
Alternate Functions USART2_REMAP = 0 USART2_REMAP = 1
(1)
1. Remap available only for 100 pin package.
USART2_CTS PA0 PD3
USART2_RTS PA1 PD4
USART2_TX PA2 PD5
USART2_RX PA3 PD6
USART2_CK PA4 PD7
Table 22. USART1 remapping
Alternate Function USART1_REMAP = 0 USART1_REMAP = 1
USART1_TX PA9 PB6
USART1_RX PA10 PB7
Table 23. I2C1 Remapping
Alternate Function I2C1_REMAP = 0 I2C1_REMAP = 1
(1)
1. Remap not available on 128K 36 pin.
I2C1_SCL PB6 PB8
I2C1_SDA PB7 PB9
Table 24. SPI1 Remapping
Alternate Function SPI1_REMAP = 0 SPI1_REMAP = 1
SPI1_NSS PA4 PA15
SPI1_SCK PA5 PB3
SPI1_MISO PA6 PB4
SPI1_MOSI PA7 PB5