You copied the Doc URL to your clipboard.

A.3. Interrupts

Table A.3 shows the interrupt line signals.

Table A.3. Interrupt line signals
NameI/OSourceDescription
nFIQIInterrupt sources

Cortex-A9 processor FIQ request input line.

Active-LOW fast interrupt request:

0

Activate fast interrupt.

1

Do not activate fast interrupt.

The processor treats the nFIQ input as level sensitive.

nIRQIInterrupt sources

Cortex-A9 processor IRQ request input line.

Active-LOW interrupt request:

0

Activate interrupt.

1

Do not activate interrupt.

The processor treats the nIRQ input as level sensitive.


Was this page helpful? Yes No