LG C1150 Service Manual page 23

3. TECHNICAL BRIEF
• AD6525 is an ADI designed processor.
• AD6537B consists of
1. BUS arbitration Subsystem
• EBUS, RBUS, PBUS, SBUS, DMABUS, IOBUS
2. DSP Subsystem
• ADI DSP, Viterbi coprocessor,
Ciphering unit,
Cache memory/controller system
3. MCU Subsystem
• ARM7TDMI, boot ROM, Clock generation and access control module
4. Peripheral Subsystem
• MMI group
→Keyboard, Display, Backlight, RTC, GPIO interface
• House Keeping group
→Watchdog Timer, Interrupt controller, General Timer
• GSM system group
• Direct Memory Access group
Between PBUS,RBUS, and EBUS
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