is it possible to reset the set of register to default values without disconnecting power supply?
Do we have implemented a 'limp home' strategy in our part?
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Toggling nSLEEP pin (high-low-high) will reset all registers back to default setting.
DRV8899-Q1 has nFault hardware pin to indicate several failure modes and allow the host controller to make decision. Also, the status register and fault register can be used for the host controller to check the failure mode detail.