Texas Instruments bq27421 EVM, User Manual, Page: 14 / 21

Advanced Communication I
2
C
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14 SLUUA63A – April 2013 – Revised July 2016
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bq27421 EVM: Single-Cell Impedance Track Technology
9 Advanced Communication I
2
C
9.1 I
2
C Communication
I
2
C read/write operations are not specific to any gas gauge. These operations serve as general-purpose
communication tools ( Figure 12 ).
Figure 12. Advanced Communication I2C