7 battery status, Table 13. battery status buffer requirements – Intel IQ80333 User Manual
Page 34
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34
Customer Reference Board Manual
Hardware Reference Section
3.6.7
Battery Status
A CPLD on the
IQ80333
provides the following status for the battery.
Please see
for more details on addressing the CPLD.
Table 13.
Battery Status Buffer Requirements
BIT
Read/
Write
Name
Description
0
R
Battery Present
•
0 = No backup battery
•
1 = Battery backup is present
1
R
Battery Charged
•
0 = Battery is not fully charged
•
1 = Battery is fully charged
2
R
Battery Discharged
•
0 = Battery backup is not fully discharged
•
1 = Battery backup is fully discharged
3
R/W
Battery Enable
•
0 = Disable battery backup
•
1 = Enable battery backup
4-7
*
Reserved
Undefined
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