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BQ78350: BatteryStatus issue

Part Number: BQ78350

Hello;

I wanted to used the BatteryStatus() command to see if I could determine when the 78350 was busy in order to avoid all the NACKs I get. But the 78350 always returns an error code of  0xA (or 1010  see attached). This is of course, assuming I'm reading it properly

If so, bit 3 is not used (at least in the 1998 version of the SMBus specification)...Does this bit have any meaning in the 78350?  If not, then it's always saying it's a "ReservedCommand: error, which is described as

"The Smart Battery detected an attempt to read or
write to a function code reserved by this version of
the specification. The Smart Battery detected an
attempt to access an unsupported optional
manufacturer function code."

Is this know behavior? or what am I missing

Thanks