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DRV8353RS-EVM: Unable to adjust IDRIVE

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Part Number:DRV8353RS-EVM

Hi Team,

DRV8353RS-EVM and the GUI is used to control motor, but when the GUI connects with DRV8350RS-EVM successfully and "System Enable" is enabled, we cannot change the IDRIVE, even another current option such as 1000mA for IDRVEP_LS[7:4] is choosed and then write register is clicked, the current cannot be changed.

My question are:

1. Why IDRIVE cannot be changed? Is it possible that the C2000 code set the IDRIVE fixed? 

2. When we "Lock all registers", why other registers can be set? It doesn't match the datasheet...

Could you please help answer the two questions, thanks!

Best Regards!

Hao


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