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General-purpose and alternate-function I/Os (GPIOs and AFIOs) RM0008

181/1128 DocID13902 Rev 15

9.3.9 I2C1 alternate function remapping

Refer to AF remap and debug I/O configuration register (AFIO_MAPR)

9.3.10 SPI1 alternate function remapping

Refer to AF remap and debug I/O configuration register (AFIO_MAPR)

9.3.11 SPI3/I2S3 alternate function remapping

Refer to AF remap and debug I/O configuration register (AFIO_MAPR). This remap is

available only in connectivity line devices.

9.3.12 Ethernet alternate function remapping

Refer to AF remap and debug I/O configuration register (AFIO_MAPR). Ethernet is available

only in connectivity line devices.

Table 54. USART1 remapping

Alternate function USART1_REMAP = 0 USART1_REMAP = 1

USART1_TX PA9 PB6

USART1_RX PA10 PB7

Table 55. I2C1 remapping

Alternate function I2C1_REMAP = 0 I2C1_REMAP = 1

(1)

1. Remap not available on 36-pin package.

I2C1_SCL PB6 PB8

I2C1_SDA PB7 PB9

Table 56. 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

Table 57. SPI3/I2S3 remapping

Alternate function SPI3_REMAP = 0 SPI3_REMAP = 1

SPI3_NSS / I2S3_WS PA15 PA4

SPI3_SCK / I2S3_CK PB3 PC10

SPI3_MISO PB4 PC11

SPI3_MOSI / I2S3_SD PB5 PC12

ST STM32F101 series Reference Manual

Other manuals for ST STM32F101 series