Usart interrupt mask register – Rainbow Electronics AT75C220 User Manual
Page 89
AT75C220
89
USART Interrupt Mask Register
Name:
US_IMR
Access Type:Read-only
Reset Value: 0x0
•
RXRDY: RXRDY Interrupt Mask
0 = RXRDY interrupt is disabled.
1 = RXRDY interrupt is enabled.
•
TXRDY: TXRDY Interrupt Mask
0 = TXRDY interrupt is disabled.
1 = TXRDY interrupt is enabled.
•
RXBRK: Receiver Break Interrupt Mask
0 = Receiver break interrupt is disabled.
1 = Receiver break interrupt is enabled.
•
ENDRX: End of Receive Transfer Interrupt Mask
0 = End of Receive Transfer Interrupt is disabled.
1 = End of Receive Transfer Interrupt is enabled.
•
ENDTX: End of Transmit Transfer Interrupt Mask
0 = End of transmit transfer interrupt is disabled.
1 = End of transmit transfer interrupt is enabled.
•
OVRE: Overrun Error Interrupt Mask
0 = Overrun error interrupt is disabled.
1 = Overrun error interrupt is enabled.
•
FRAME: Framing Error Interrupt Mask
0 = Framing error interrupt is disabled.
1 = Framing error interrupt is enabled.
•
PARE: Parity Error Interrupt Mask
0 = Parity error interrupt is disabled.
1 = Parity error interrupt is enabled.
•
TIMEOUT: Time-out Interrupt Mask
0 = Receive time-out interrupt is disabled.
1 = Receive time-out interrupt is enabled.
•
TXEMPTY: TXEMPTY Interrupt Mask
0 = TXEMPTY interrupt is disabled.
1 = TXEMPTY interrupt is enabled.
•
DMSI: Delta Modem Status Indication Interrupt
0 = DMSI interrupt is disabled.
1 = DMSI 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
–
–
–
–
–
DMSI
TXEMPTY
TIMEOUT
7
6
5
4
3
2
1
0
PARE
FRAME
OVRE
ENDTX
ENDRX
RXBRK
TXRDY
RXRDY