Usart interrupt enable register – Rainbow Electronics AT75C220 User Manual
Page 87
AT75C220
87
USART Interrupt Enable Register
Name:
US_IER
Access Type:Write-only
Reset Value: Undefined
•
RXRDY: Enable RXRDY Interrupt
0 = No effect.
1 = Enables RXRDY interrupt.
•
TXRDY: Enable TXRDY Interrupt
0 = No effect.
1 = Enables TXRDY interrupt.
•
RXBRK: Enable Receiver Break Interrupt
0 = No effect.
1 = Enables receiver break interrupt.
•
ENDRX: Enable End of Receive Transfer Interrupt
0 = No effect.
1 = Enables end of receive transfer interrupt.
•
ENDTX: Enable End of Transmit Transfer Interrupt
0 = No effect.
1 = Enables end of transmit transfer interrupt.
•
OVRE: Enable Overrun Error Interrupt
0 = No effect.
1 = Enables overrun error interrupt.
•
FRAME: Enable Framing Error Interrupt
0 = No effect.
1 = Enables framing error interrupt.
•
PARE: Enable Parity Error Interrupt
0 = No effect.
1 = Enables parity error interrupt.
•
TIMEOUT: Enable Time-out Interrupt
0 = No effect.
1 = Enables reception time-out interrupt.
•
TXEMPTY: Enable TXEMPTY Interrupt
0 = No effect.
1 = Enables TXEMPTY interrupt.
•
DMSI: Delta Modem Status Indication Interrupt
0 = No effect.
1 = Enables DMSI interrupt.
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