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RTOS/AM4378: McSPI data transfer delay

Part Number: AM4378

Tool/software: TI-RTOS

I use:
- SMARC-T4378 from Embedian;

- CCS6.1.3.00034;

- Ti-processor-sdk-rtos-am437x-evm-03.02.00.05;

TI-RTOS bios_6_46_01_38.

When data is transmitted over the McSPI (with EDMA), pauses of 50 ns are observed. Can I get the transfer without delay?

I previously addressed a similar question:

https://e2e.ti.com/support/arm/sitara_arm/f/791/t/594693