Datasheet

734
SAM4S [DATASHEET]
11100E–ATARM–24-Jul-13
35.8.5 USART Interrupt Enable Register
Name: US_IER
Address: 0x40024008 (0), 0x40028008 (1)
Access: Write-only
For SPI specific configuration, see “USART Interrupt Enable Register (SPI_MODE)” on page 736.
• RXRDY: RXRDY Interrupt Enable
• TXRDY: TXRDY Interrupt Enable
• RXBRK: Receiver Break Interrupt Enable
• ENDRX: End of Receive Transfer Interrupt Enable (available in all USART modes of operation)
• ENDTX: End of Transmit Interrupt Enable (available in all USART modes of operation)
• OVRE: Overrun Error Interrupt Enable
• FRAME: Framing Error Interrupt Enable
• PARE: Parity Error Interrupt Enable
• TIMEOUT: Time-out Interrupt Enable
• TXEMPTY: TXEMPTY Interrupt Enable
• ITER: Max number of Repetitions Reached Interrupt Enable
• TXBUFE: Buffer Empty Interrupt Enable (available in all USART modes of operation)
• RXBUFF: Buffer Full Interrupt Enable (available in all USART modes of operation)
• NACK: Non Acknowledge Interrupt Enable
• RIIC: Ring Indicator Input Change Enable
• DSRIC: Data Set Ready Input Change Enable
• DCDIC: Data Carrier Detect Input Change Interrupt Enable
31 30 29 28 27 26 25 24
–––––––MANE
23 22 21 20 19 18 17 16
– – – – CTSIC DCDIC DSRIC RIIC
15 14 13 12 11 10 9 8
– – NACK RXBUFF TXBUFE ITER TXEMPTY TIMEOUT
76543210
PARE FRAME OVRE ENDTX ENDRX RXBRK TXRDY RXRDY