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To read all the data flash from the bq27742, click on the Refresh button in the DataMemory window.
To write to a data flash location, click on the desired location, enter the data in dialog box and click "OK"
or hit the Enter key. The data flash must be read before any writes are performed to avoid any incorrect
data being written to the device. Reading the data after any writes is also recommended.
The data-flash configuration can be saved to a file by clicking the Export button and entering a file name.
A data-flash file also can be retrieved in this way by clicking the Import button. The exported file has a .gg
extension and can be opened and edited with a text editor. It does not contain all of the data flash. It only
contains the public volatile parameters and should not be used for production programming. The .senc,
.dfi, .dffs, .bqfs, or .dmi file should be used for production as these contain the entire data flash image,
including hidden static parameters such as the battery profile.
The module calibration data is also stored in the bq27742 data flash.
SLUUAX8 – March 2014
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bq27742EVM Single-Cell Impedance Track™ Technology Evaluation Module
Copyright © 2014, Texas Instruments Incorporated
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