Digital Baseband Processor - Panasonic EB-G50 Service Manual

5.2.2. Digital Baseband Processor

GSM processor ADI AD6525
Package 160 -Ball LFBGA
Feature
Complete single chip GSM Programmable Digital Baseband Processor divided into three main
subsystems:
1.Control processor subsystem including
32-bit MCU ARM7TDMI control processor
39 MHz operation at 1.8V
1Mb on-chip System SRAM Memory
2. DSP subsystem including
16-bit Fixed-out DSP Processor
78 MIPS at 1.8V
Data and Program SRAM
Program Instruction Cache
Full rate, Enhanced full rate and Half Rate Speech Encoding / Decoding
Capable of Supporting PDC,AMR Speech Algorithms
3. Peripheral Subsystem including
Shared Peripheral Bus and Interface Peripherals
Figure 5.6. AD6525 Functional Block Diagram
– 5–7 –