4-wire SPI - NHD-2.8-240320AF-CSXP-FCTP

Valentin Gros

• June 09, 2026 14:20

Hello,

Is it possible to use 4-wire SPI communication for NHD-2.8-240320AF-CSXP-FCTP. In your datasheet, it is written page 5 that we can, but in ST7789VI datasheet, it is written that DCX and SCL (SPI clock) must be 2 different pins.

Best regards,
Valentin Gros

0

• Official comment

  

  Engineering Support

  Community moderator

  • June 09, 2026 20:34

  Hello Valentin, 
  
  Yes, it is possible to use 4-wire SPI for the NHD-2.8-240320AF-CSXP-FCTP. This can be seen in page 5 of our datasheet for this display, which I will provide below Please let me know if you have any other questions. 

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