A.3. Interrupt signals

Interrupt signals are shown in Table A.3.

Table A.3. Interrupt signals

Name

Direction

Description

FIQDIS

Output

FIQ disabled. When HIGH, indicates that the ARM7EJ-S processor ignores the state of nFIQ.

IRQDIS

Output

IRQ disabled. When HIGH, indicates that the ARM7EJ-S processor ignores the state of nIRQ.

nFIQ

Input

Not fast interrupt is a synchronous input to the core. It is not synchronized internally to the core.

nIRQ

Input

Not interrupt request is a synchronous input to the core. It is not synchronized internally to the core.

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