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OMAPL-138 GPIO Absolute Address

Alok Prasad
Prodigy 150 points

How to find the absolute address of the GPIOs and MUXes.

TMS320C674x/OMAP-L1x Processor General-Purpose Input/Output (GPIO) (Sprufl8b.pdf) only shows offset so what the Base address?

 

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    TI__Mastermind 41665 points

    Alok Prasad said:

    How to find the absolute address of the GPIOs and MUXes.

    TMS320C674x/OMAP-L1x Processor General-Purpose Input/Output (GPIO) (Sprufl8b.pdf) only shows offset so what the Base address?

    The base address is defined in the OMAP-L138 datasheet in the memory map summary, on page 22, you should find the GPIO registers starting at 0x01E26000. This also applies to many other TI processors, you can generally find peripheral base addresses in the datasheet, or wherever the memory map happens to be defined.