7 twi interrupt enable register – Rainbow Electronics AT91CAP9S250A User Manual
Page 520
520
6264A–CAP–21-May-07
AT91CAP9S500A/AT91CAP9S250A
34.10.7
TWI Interrupt Enable Register
Name: TWI_IER
Access: Write-only
Reset Value: 0x00000000
• TXCOMP: Transmission Completed Interrupt Enable
• RXRDY: Receive Holding Register Ready Interrupt Enable
• TXRDY: Transmit Holding Register Ready Interrupt Enable
• SVACC: Slave Access Interrupt Enable
• GACC: General Call Access Interrupt Enable
• OVRE: Overrun Error Interrupt Enable
• NACK: Not Acknowledge Interrupt Enable
• ABRLST: Arbitration Lost Interrupt Enable
• SCL_WS: Clock Wait State Interrupt Enable
• ENDRX: End of Receive Buffer Interrupt Enable
• ENDTX: End of Transmit Buffer Interrupt Enable
• RXBUFF: Receive Buffer Full Interrupt Enable
• TXBUFE: Transmit Buffer Empty Interrupt Enable
0 = No effect.
1 = Enables the corresponding 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
TXBUFE
RXBUFF
ENDTX
ENDRX
EOSACC
SCL_WS
ARBLST
NACK
7
6
5
4
3
2
1
0
–
OVRE
GACC
SVACC
–
TXRDY
RXRDY
TXCOMP