USARTn Pin Position
Bit7 | 6 | 5 | 4 | 3 | 2 | 1 | 0 |
USART1[1:0] | USART0[2:0] | ||||||
Access | R/W | R/W | R/W | R/W | R/W | ||
Reset | 0 | 0 | 0 | 0 | 0 |
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 |
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 |