RM0008 General-purpose and alternate-function I/Os (GPIOs and AFIOs)
Doc ID 13902 Rev 12 175/1096
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
To Next Page
Loading...
Need help?
General
