A customer reported us that a Grouped Gain often couldn't be controlled via serial command and we could reproduce that with attached design on CSD5.4. This issue occurred when a ParameterSet including the Grouped Gain was invoked. The procedure for reproducing as follows:

1. upload the design (Group 1 has a Gain "MASTER", ParamSet 1 has Group 1)

2. recall ParamSet 1

3. send "SN 1,M" and we can see the gain stays unmute condition on CSD


We asked the customer to use serial commands for Gain blocks instead of Grouped Gain control.

Best regards,




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