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SAI in synchronous mode configuration

Question asked by Linas Staisiunas on May 16, 2017
Latest reply on May 17, 2017 by Linas Staisiunas

Hi,

 

I have got SAI on i.MX6 and need to configure it properly in synchronous mode. There are two cases in sync mode:

1. SAI transmitter synchronous with receiver

2. SAI receiver synchronous with transmitter

 

Question:

Should I set RCR2, RCR4, RCR5 and TCR2, TCR4, TCR5 registers across both the transmitter and receiver? Or should it be configured according to the synchronous mode selection?

For example:

1. If SAI transmitter synchronous with receiver I configure only RCR2, RCR4 and RCR5. Leave transmitter reg untouched.

2. If SAI receiver synchronous with transmitter I configure only TCR2, TCR4 and TCR5. Leave receiver reg untouched.

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