Datasheet

SAM4E [DATASHEET]
Atmel-11157D-ATARM-SAM4E16-SAM4E8-Datasheet_12-Jun-14
934
38.8.6 USART Interrupt Enable Register (SPI_MODE)
Name: US_IER (SPI_MODE)
Address: 0x400A0008 (0), 0x400A4008 (1)
Access: Write-only
This configuration is relevant only if USART_MODE = 0xE or 0xF in “USART Mode Register” on page 927.
The following configuration values are valid for all listed bit names of this register:
0: No effect
1: Enables the corresponding interrupt.
 RXRDY: RXRDY Interrupt Enable
 TXRDY: TXRDY Interrupt Enable
 OVRE: Overrun Error Interrupt Enable
 TXEMPTY: TXEMPTY Interrupt Enable
 UNRE: SPI Underrun Error Interrupt Enable
31 30 29 28 27 26 25 24
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23 22 21 20 19 18 17 16
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15 14 13 12 11 10 9 8
– – – RXBUFF TXBUFE UNRE TXEMPTY –
76543210
– – OVRE ENDTX ENDRX – TXRDY RXRDY