Jetson Orin spi with only 3 wires

Robotics & Edge Computing Jetson & Embedded Systems Jetson Orin NX
1

Hi

I would like to use the SPI bus with only 3 wires. SCLK, CS, and SDIO.
How to configure the jetson module ?
David

4

Hi etasse,

Are you using the devkit or custom board for Orin NX?
What’s the Jetpack version in use?

Do you mean that you want to use SPI with 3-wires(SCLK, CS, SDIO) instead of 4-wires(SCLK, CS, MISO, MOSI)?
If so, you can just short MISO and MOSI externally w/o any configuration from SW.

6

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