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what is the difference between GPIO_IRQSTATUS1 and GPIO_IRQSTATUS2

Huai Hellen
Expert 1030 points
Other Parts Discussed in Thread: OMAP3530

Hi, all

in omap3530 datasheet, there are two similar register for gpio module: GPIO_IRQSTATUS1 and GPIO_IRQSTATUS2, and also GPIO_IRQENABLE1 and GPIO_IRQENABLE2. What is the difference between them?

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    TI__Genius 16690 points

    There are two identical interrupt generation submodules used independently by the imaging video and audio accelerator (IVA2.2) and the microprocessor unit (MPU). One of these interrupts is mapped on the IVA2.2 subsystem interrupt controller and the other on the MPU subsystem interrupt controller. GPIO_IRQSTATUS1 and GPIO_IRQENABLE1 are for MPU. GPIO_IRQSTATUS2 and GPIO_IRQENABLE2 are for IVA.