16.3.3 USARTn Pin Position

Name:	USARTROUTEA
Offset:	0x02
Reset:	0x00
Property:	-


Bit	7	6	5	4	3	2	1	0
	USART3[1:0]		USART2[1:0]		USART1[1:0]		USART0[1:0]
Access	R/W	R/W	R/W	R/W	R/W	R/W	R/W	R/W
Reset	0	0	0	0	0	0	0	0

Bits 7:6 – USART3[1:0] USART 3 Signals

This bit field controls the pin positions for USART 3 signals.


Value	Name	Description
Value	Name	TxD	RxD	XCK	XDIR
`0x0`	DEFAULT	PB0	PB1	PB2	PB3
`0x1`	ALT1	PB4	PB5	PB6	PB7
`0x2`	-	Reserved
`0x3`	NONE	Not connected to any pins

Bits 5:4 – USART2[1:0] USART 2 Signals

This bit field controls the pin positions for USART 2 signals.


Value	Name	Description
Value	Name	TxD	RxD	XCK	XDIR
`0x0`	DEFAULT	PF0	PF1	PF2	PF3
`0x1`	ALT1	PF4	PF5	-	-
`0x2`	-	Reserved
`0x3`	NONE	Not connected to any pins

Bits 3:2 – USART1[1:0] USART 1 Signals

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


Value	Name	Description
Value	Name	TxD	RxD	XCK	XDIR
`0x0`	DEFAULT	PC0	PC1	PC2	PC3
`0x1`	ALT1	PC4	PC5	PC6	PC7
`0x2`	-	Reserved
`0x3`	NONE	Not connected to any pins

Bits 1:0 – USART0[1:0] USART 0 Signals

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


Value	Name	Description
Value	Name	TxD	RxD	XCK	XDIR
`0x0`	DEFAULT	PA0	PA1	PA2	PA3
`0x1`	ALT1	PA4	PA5	PA6	PA7
`0x2`	-	Reserved
`0x3`	NONE	Not connected to any pins

The online versions of the documents are provided as a courtesy. Verify all content and data in the device’s PDF documentation found on the device product page.