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Original question:

BQ20Z80: What registers get reset when the Reset(0x0041) command is issued?

BQ20Z80: What registers get reset when the Reset(0x0041) command is issued?- Specific

Lindsey Fike
Intellectual 2170 points
Part Number: BQ20Z80

A follow up to- https://e2e.ti.com/support/power-management/f/196/t/846276

Is it possible to provide the list of SBS registers that are cleared and those that are not cleared by the reset command?

The reason I am asking is because there are a number of registers that appear to not be cleared, such as the following:

 

-          Cycle Count

-          Max Error

-          Registers with failure alerts for failure status

-          Operation status register

-          Measurement registers: Temperature, Voltage, and Current

 

Is there a general rule regarding which registers get reset, and which ones do not, when the reset command is issued?

  • 0
    TI__Mastermind 42535 points

    Lindsey,

    Any register that is not populated at initialization from df will get cleared. Eg, DOD, the IT Status flags, protections etc. Those registers populated from the df will retain their values after initialization.