09-11-2020, 07:27 PM
Most e-ink displays in ebook readers don't use SPI, but a set of some custom barely publicly documented protocols. It's also not exactly low speed. Displays are rated at 85 redraws of the screen per second, etc.
It could probably be driven by LCD interface of A64 SoC with the similar hack Pocketbook uses to drive their e-ink dispolays with A13 SoC that absolutely doesn't have a special controller to drive their proprietary e-ink displays. They just write a control pattern to DRAM and use LCD controller data lines to bitbang the protocol.
It could probably be driven by LCD interface of A64 SoC with the similar hack Pocketbook uses to drive their e-ink dispolays with A13 SoC that absolutely doesn't have a special controller to drive their proprietary e-ink displays. They just write a control pattern to DRAM and use LCD controller data lines to bitbang the protocol.
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