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- For example (one of part of data)
14. BLOCK DIAGRAM (BASE UNIT)
15. BLOCK DIAGRAM (HANDSET)
16. CIRCUIT OPERATION
16.1. Outline
Base unit consists of the following ICs as shown in BLOCK DIAGRAM.
- CPU:IC2
- Controlling the whole system
- Forming/analyzing all data signals (ACK, CMD signal etc.*)
- All interfaces (ex: LED, KEY, SP, Mic, LCD, Detector Circuit (Charge
/ Power Down)
*Refer to
EXPLANATION OF CPU DATA COMMUNICATION
- RF IC:IC1
- PLL Oscillator
- Detection
- Compress/ Expander
34
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