Baseband Processor (Ad6724, U104) - LG LG600G Service Manual

3. TECHNICAL BRIEF

3.4 Baseband Processor (AD6724, U104)

• AD6724 is an ADI designed processor
• AD6724 consists of
1. Control Processor Subsystem including:
32-bit MCU ARM7TDMI® Control Processor
39 MHz operation at 1.8V
1Mb of on-chip System SRAM Memory
2. DSP Subsystem including:
16-bit Fixed Point DSP Processor
91 MIPS[1] at 1.8V
Data and Program SRAM
Program Instruction Cache
Full Rate, Enhanced Full Rate and Half Rate
Speech Encoding/Decoding
Capable of Supporting AMR & PDC Speech Algorithms
3. Peripheral Functions
Parallel and Serial Display Interface
Keypad Interface
Flash Memory Interface
Page-Mode Flash Support
1.8V and 3.0V, 64 kbps SIM Interface
Universal System Connector Interface
Data Services Interface
Battery Interface (e.g. Dallas)
4. Other
Supports 13 MHz and 26 MHz Input Clocks
1.8V Typical Core Operating Voltages
264-Ball Package (17x17mm) , 0.65mm Ball pitch
5. The AD6724 baseband transmit section supports the following
mobile station GMSK modulation power classes:
GSM 900/850 power classes 4 and 5,
DCS 1800 power classes 1 and 2, and
PCS 1900 power classes 1 and 2
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