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Table A.3 shows the interrupt line signals.
Table A.3. Interrupt line signals
Name | I/O | Source | Description |
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nFIQ | I | Interrupt 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. |
nIRQ | I | Interrupt 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. |