Main Processor And Dsp - LG -200 Service Manual

2-5. Main Processor and DSP

1. Main Processor CPP-C
The CPP-C is a Lucent Technologies designed processor. The CPP-C performs the following
functions:
• CPU
• CPU Interface
• Interrupt Controller
• Baseband Power Control
• Keypad Control
• Display Interface
• Buzzer Control
• UART Control/Interface
• I/O System Connector Interface
• Battery Voltage Monitoring
• Charge Control
• Real Time Clock
• CPU Timers
• Backlight Control
• Vibrator Control
[System Block Diagram of CPP-C]
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2. TECHNICAL BRIEF