USARTn Pin Position

Name:
USARTROUTEA
Offset:
0x02
Reset:
0x00
Access:
-
Bit76543210
USART1[1:0]USART0[2:0]
AccessR/WR/WR/WR/WR/W
Reset00000

Bits 4:3 – USART1[1:0]: USART 1 Signals

USART 1 Signals

This bit field controls the pin positions for USART 1 signals.

Value Name Description
TxD RxD XCK XDIR
0x0 DEFAULT - PC1 PC2 PC3
0x1 - Reserved
0x2 ALT2 PD6 PD7 - -
0x3 NONE Not connected to any pins

Bits 2:0 – USART0[2:0]: USART 0 Signals

USART 0 Signals

This bit field controls the pin positions for USART 0 signals.

Value Name Description
TxD RxD XCK XDIR
0x0 DEFAULT PA0 PA1 PA2 PA3
0x1 ALT1 PA4 PA5 PA6 PA7
0x2 ALT2 PA2 PA3 - -
0x3 ALT3 PD4 PD5 PD6 PD7
0x4 ALT4 PC1 PC2 PC3 -
0x5 NONE Not connected to any pins