I have interfaced peripheral over SPI using J3 connector of MPC5748 DEVKIT. I am trying to read signature register from that peripheral. I observed erratic behavior with Revision D board where I am able to read signature for first read operation after power up. It is failing for successive reads. If I power up the DEVKIT it works for first read operation.
I tried the same code with Revision B DEVKIT and it works fine for successive reads without needing multiple power up.
What could be the issue with Revision D DEVKIT? Are there any additional components required for SPI connection?