Other Parts Discussed in Thread: TPS65381A-Q1
what does this "safe status" means? and what circumstances will trigger the system to enter a safe state? Thanks
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SAFE state does not reinitialize any of the registers within the device. There are two reinitialization sources in this device for the registers, NPOR and post LBIST reinitialization. So going to SAFE state will not clear any bits within the device unless an NPOR event happens or LBIST is run. It is also important to note that most of the flag bits within this device are not latched unless otherwise stated.