Texas Instruments bq34z100, User Manual

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Battery Management Studio
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3.7 Advanced Comm I2C Screen
Press the Advanced Comm I2C button to select the Advanced I2C Comm window. This tool provides
access to parameters using I2C and Manufacturing Access commands (see Figure 8 ).
Figure 8. Advanced Comm Screen
3.7.1 Examples
Reading Standard Data Commands.
• Read SBData Voltage (0x08)
– Start Register = 0x08
– Number of Bytes to Read = 2
– Press the Read button
– Date returned =8C 3C, which a byte swapped
– 0x3C8C = 15500mV, when converted to decimal
Sending a MAC Gauging() to enable IT via ManufacturerAccess().
• With Impedance Track™ disabled, send Gauging() (0x0021) to ManufacturerAccess().
– Start Register = 0x00
– Bytes to Write = 21 00
– Press the Write button
– The QEN flag should set in the Control Status register to indicate that Impedance Track is enabled
12 bq34z100EVM Wide Range Impedance Track™ Enabled Battery Fuel Gauge SLUU904A – April 2012 – Revised February 2015
Solution
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