Fields In USART1_IDR_SPI_MODE (0x4009C000, 0x000C)
Field
Offset
Width
atsam3x8e
RXBUFF
12
1
✔
TXBUFE
11
1
✔
UNRE
10
1
✔
TXEMPTY
9
1
✔
OVRE
5
1
✔
ENDTX
4
1
✔
ENDRX
3
1
✔
TXRDY
1
1
✔
RXRDY
0
1
✔