Datasheet

77
AT32UC3A
The effect of writing or reading the bits listed above depends on which register is being accessed:
IER (Write-only)
0: No effect
1: Enable Interrupt
IDR (Write-only)
0: No effect
1: Disable Interrupt
IMR (Read-only)
0: Interrupt is disabled
1: Interrupt is enabled
ISR (Read-only)
0: An interrupt event has not occurred or has been previously cleared
1: An interrupt event has not occurred
ICR (Write-only)
0: No effect
1: Clear corresponding event
32058K
AVR32-01/12