Analog Main Processor - LG LG9200 Service Manual

3. Technical Brief
3.1.5 Analog Main Processor (ABB)
TWL3014 Functional Block Diagram
• Applications include GSM 850, 900, DCS 1800, PCS 1900 Cellular Telephones
• Voice Coder/Decoder (CODEC)
• Baseband CODEC single and multislot with I/Q RF Interface
• Auxiliary RF Converters
• SIM Card Interface
• Li-Ion or Ni-MH Battery Charging Control
• Six Low-DropOut, Low-Noise, Linear Voltage Regulators
• Dedicated Low Quiescent Current Mode on Regulators
• Voltage Detectors (with Power-Off Delays)
• Four Channel Analog-to-Digital Converters (ADC)
• Dedicated very low quiescent current domain supply
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