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3.5
CC Offset
Use MAC commands for CC Offset calibration. The host system does not need to write information to the
data flash (DF). See
bit. The host system must ensure that the fuel gauge is UNSEALED.
NOTE: While the device is calibrating the CC Offset, the host system must not read the
CONTROL_STATUS register at a rate greater than once every 0.5 seconds and no current
should be flowing.
The step labeled Enter CALIBRATION Mode refers to
Mode.
The step labeled Exit CALIBRATION Mode refers to
Mode.
Device is not calibrating
CC offset; retry.
The device is in the
process of calibrating
CC offset while the
CCA bit is set. Host
than once every 0.5 s.
SLUUBH1C – August 2016 – Revised March 2018
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CONTROL_STATUS: 0x0000
Enter Calibration Mode
I2CWriteWord (0x0000, 0x000A, 100)
I2CWriteWord (0x0000, 0x0000, 100)
I2CReadBlock (0x00, 2, 100)
CCA == 1
False
CCA == 0
Wait for CCA bit
to clear
should
NOT
check
the CCA bit more
Exit Calibration Mode
Figure 3-3. CC Offset Flow
Copyright © 2016–2018, Texas Instruments Incorporated
for the description of the CONTROL_STATUS[CCA]
Section
3.3, Enter CALIBRATION
Section
3.11, Exit CALIBRATION
True
True
False
I2CWrite Word (0x0000, 0x000B, 100)
End
CC_OFFSET MAC Command:
0x000A to 0x0000
Factory Calibration
CC Offset
13
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