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1745D–ATARM–04-Nov-05
AT91M55800A
18.10.5 USART Interrupt Mask Register
Name: US_IMR
Access Type: Read-only
Reset Value: 0x0
Offset: 0x10
• RXRDY: RXRDY Interrupt Mask (Code Label US_RXRDY)
0 = RXRDY Interrupt is Disabled.
1 = RXRDY Interrupt is Enabled.
• TXRDY: TXRDY Interrupt Mask (Code Label US_TXRDY)
0 = TXRDY Interrupt is Disabled.
1 = TXRDY Interrupt is Enabled.
• RXBRK: Receiver Break Interrupt Mask (Code Label US_RXBRK)
0 = Receiver Break Interrupt is Disabled.
1 = Receiver Break Interrupt is Enabled.
• ENDRX: End of Receive Transfer Interrupt Mask (Code Label US_ENDRX)
0 = End of Receive Transfer Interrupt is Disabled.
1 = End of Receive Transfer Interrupt is Enabled.
• ENDTX: End of Transmit Transfer Interrupt Mask (Code Label US_ENDTX)
0 = End of Transmit Transfer Interrupt is Disabled.
1 = End of Transmit Transfer Interrupt is Enabled.
• OVRE: Overrun Error Interrupt Mask (Code Label US_OVRE)
0 = Overrun Error Interrupt is Disabled.
1 = Overrun Error Interrupt is Enabled.
• FRAME: Framing Error Interrupt Mask (Code Label US_FRAME)
0 = Framing Error Interrupt is Disabled.
1 = Framing Error Interrupt is Enabled.
• PARE: Parity Error Interrupt Mask (Code Label US_PARE)
0 = Parity Error Interrupt is Disabled.
1 = Parity Error Interrupt is Enabled.
• TIMEOUT: Time-out Interrupt Mask (Code Label US_TIMEOUT)
0 = Receive Time-out Interrupt is Disabled.
1 = Receive Time-out Interrupt is Enabled.
• TXEMPTY: TXEMPTY Interrupt Mask (Code Label US_TXEMPTY)
0 = TXEMPTY Interrupt is Disabled.
1 = TXEMPTY Interrupt is Enabled.
31 30 29 28 27 26 25 24
– – – – – – – –
23 22 21 20 19 18 17 16
– – – – – – – –
15 14 13 12 11 10 9 8
– – – – – –
TXEMPTY TIMEOUT
7 6 5 4 3 2 1 0
PARE FRAME OVRE ENDTX ENDRX RXBRK TXRDY RXRDY