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BQ34110: Writing to Data Flash only sometimes works

Richard Ballard
Prodigy 10 points
Part Number: BQ34110
Other Parts Discussed in Thread: BQSTUDIO, EV2400

Tool/software:

Hi,

I'm using a BQ34110 in a product that our OEM partner did the hardware design for. I'm now doing the driver for this chip, with a direct i2c interface.

When writing to the data flash, I'm having odd behavior where some data flash values won't set, both with and without calibration mode.

Any ideas? I can post my read/write code if that would be helpful. When writing to MACData(), does the remainder of the buffer that is not being set (and is not included in the MACDataLen() ) need to be zeroed?

Thanks,

Richard