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RM0008
Table 44.
General-purpose and alternate-function I/Os (GPIOs and AFIOs)
USART2 remapping
Alternate functions
USART2_CTS
USART2_RTS
USART2_TX
USART2_RX
USART2_CK
USART2_REMAP = 0
PA0
PA1
PA2
PA3
PA4
USART2_REMAP = 1 (1)
PD3
PD4
PD5
PD6
PD7
1. Remap available only for 100-pin and 144-pin packages.
Table 45.
USART1 remapping
Alternate function
USART1_TX
USART1_RX
USART1_REMAP = 0
PA9
PA10
USART1_REMAP = 1
PB6
PB7
8.3.9
I2C1 alternate function remapping
Refer to AF remap and debug I/O configuration register (AFIO_MAPR)
Table 46.
I2C1 remapping
Alternate function
I2C1_SCL
I2C1_SDA
1. Remap not available on 36-pin package.
I2C1_REMAP = 0
PB6
PB7
I2C1_REMAP = 1 (1)
PB8
PB9
8.3.10
SPI1 alternate function remapping
Refer to AF remap and debug I/O configuration register (AFIO_MAPR)
Table 47.
SPI1 remapping
Alternate function
SPI1_NSS
SPI1_SCK
SPI1_MISO
SPI1_MOSI
SPI1_REMAP = 0
PA4
PA5
PA6
PA7
SPI1_REMAP = 1
PA15
PB3
PB4
PB5
8.3.11
SPI3 alternate function remapping
Refer to AF remap and debug I/O configuration register (AFIO_MAPR) . This remap is
available only in connectivity line devices.
Doc ID 13902 Rev 9
157/995
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