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  • Fiona LiuFiona Liu
    Keymaster
    @bancroft
    2020-12-24 at 17:53
    Post count: 371
    #2166

    The register area consists of 256 cells (addresses 0x00~0xFF), each corresponding to one byte, for a total of 256 bytes. It is used for hardware configuration and
    typical functions such as backlight brightness adjustment, version information reading, sending serial commands to control picture display, audio playback control, video playback control, etc.
    The user microcontroller can use the 0x byte for the user microcontroller can write and read the contents of the registers via the 0x80 and 0x81 instructions respectively. The registers are described in detail in Chapter 3.

    • SteveSteve
      Participant
      @steve
      2021-01-04 at 17:27
      Post count: 9
      #2218

      This is a very good explanation.

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