
34 Evaluation Platform Board Manual
Intel® IQ80332 I/O Processor
Hardware Reference Section
3.6.7 Battery StatusA CPLD on the IQ80332 provides the following status for the battery. Please see Secti on 4.2.2,
“Peripheral Bus Memory Map” on page 47 for more details on addr essing the CPLD.
Table 13. Battery Status Buffer Requirements
BIT Read/
Write Name Description
0 R Battery Pre sent • 0 = No backup battery
• 1 = Battery backup is present
1 R Battery Ch arged • 0 = Battery is not ful ly charged
• 1 = Battery is fully cha rged
2 R Battery Di scharged • 0 = Battery backup is n ot fully discharge d
• 1 = Battery back up is fully discharg ed
3 R/W Battery Enable • 0 = Disable battery backup
• 1 = Enable battery backup
4-7 * Reserved Undefined