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problem while using Chip select pin along with a GPIO pin

Question asked by Pavan Gidaveer on Feb 6, 2017
Latest reply on Feb 8, 2017 by Pavel Chubakov



We are using MPC5200B as master in our device.

While using Chip Select 1, we have observed that we are not able to assert PSC6_3 (configured as GPIO) while chip select is kept asserted.
That is, even if we extend wait period of Chip Select 1 and assert PSC6_3 in the next instruction itself, actual assertion occurs only after chip select gets de-asserted.
In our application we needed to assert PSC6_3 while keeping Chip Select asserted.
Could you please tell us why this unexpected delay is occuring?