SSP0 3V3 domain and SSP2 1V8 domain

[mariopereira]

Hi, i am development a project with imx287 and i am using the SCH EVK with as reference, but I need to use the SSP0 connected to a device with 3V3 voltage domain and the interface SSP2 connected to a device with 1V8 voltage domain.

I can do this only by software configuration by editing the "mx28evk_pins.c" or should I really put a shift voltage in SSP2 interface to change voltage of 3V3 to 1V8?

Thanks.

[arthur_lai · Accepted solution]

Hi Mario,

The IO on i.MX28 can support dual voltage, and you only need to configure it by software. It will set the IOMUX registers to set the IO to 1.8V.

Arthur

[mariopereira]

Thanks Ming On Lai!