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Original question:

TMS570 SPI Interface SPI1 SIMO[1]

TMS570LC4357: Configuring SIMO[1] for SPI Serial Transmit

TI-CSC
Genius 16385 points

Part Number: TMS570LC4357

Hello E2E Experts,

Our custom hardware has already been designed, and SPI1 SIMO[1] is the signal routed to the external device. We are not using SIMO[0] on this board.

Since in the given thread mentioned that SIMO[0] and SIMO[1] work in parallel mode by default, I would like to know if there is any way to configure the standard SPI peripheral so that only SIMO[1] can be used as the serial transmit output while keeping the SPI in normal serial mode.

Is there any register configuration, software setting, or recommended approach to transmit only on SIMO[1] without using SIMO[0]?

Regards,

TICSC