mgrigoni

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Activity overview

Latest activity by mgrigoni

  • mgrigoni commented,

    1. Community
    2. TFTs
    3. 3-wire SPI on NHD-2.4-240320AF-CTXP

    The bad news is that I was not able to get hardware SPI working with arduino_gfx library (tried lower frequency, different SPI modes, no luck). The good news is that I was able to make it work usin...

  • mgrigoni commented,

    1. Community
    2. TFTs
    3. 3-wire SPI on NHD-2.4-240320AF-CTXP

    Thank you for your advice. Which SPI_MODE should I use for this display. 0 or 3 ? 

  • mgrigoni commented,

    1. Community
    2. TFTs
    3. 3-wire SPI on NHD-2.4-240320AF-CTXP

    This caught my attention. 10-20MHz seems very low. What is the bottle neck, display or MCU? I'm struggling with getting it to work at all with 3-wire SPI. I'm using ESP32 s3. I tried 80MHz and 40MH...

  • mgrigoni commented,

    1. Community
    2. TFTs
    3. 3-wire SPI on NHD-2.4-240320AF-CTXP

    Got it. Thank you!

  • mgrigoni commented,

    1. Community
    2. TFTs
    3. 3-wire SPI on NHD-2.4-240320AF-CTXP

    Thanks. A couple more questions. I found this table in ST7789VI manual . Per wiring schematic for 3-wire SPI, IM0=1 and IM2=1. There are two possibilities for that in the table but I would assume ...

  • mgrigoni created a post,

    3-wire SPI on NHD-2.4-240320AF-CTXP

    1. Community
    2. TFTs

    Hi there I'm a little confused by 3-wire SPI connections provided in the manual I'm used to MOSI, MISO terminology but here I'm seeing SDA and SDO. Please correct me if my assumptions below are wr...

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