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13.1.5. RTC
Real Time Clock (IC104)
Operating Power Supply: 3.3V (3V battery for back up)
Package: 14 pin SOP
Outline of Operation: Stores Clock Data and supplies 32.768 KHz Clock Signal to CPU (IC101).
Backup Battery provides power when power supply is out.
Lithium Battery (BAT1)
Output Voltage: 3V
Capacity: 125mAh
Outline of Operation: A backup power supply for Real Time Clock (IC104).
13.1.6. Pyroelectric Infrared Sensor Block
Pyroelectric Infrared Sensor (IC801)
Operating Power Supply: +3.3V
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