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Copyright © 2008 LG Electronics. Inc. All right reserved.
Only for training and service purposes
3. TECHNICAL BRIEF
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3.6 Baseband Processor (AD6726, U103)
• AD6726 is an ADI designed processor
• AD6726 consists of
1. Control Processor Subsystem including:
• 32-bit MCU ARM7TDMI® Control Processor
• 78 MHz operation at 1.8V
• 2Mb 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
• USB 2.0 Full Speed device Interface
• Keypad Interface
• Support for Burst and Page Mode Flash
• 1.8V and 3.0V, 64 kbps SIM Interface
• Universal System Connector Interface
• Data Services Interface
• SD/Multimedia Card Interface
4. Other
• Supports 13 MHz and 26 MHz Input Clocks
• 1.8V Typical Core Operating Voltages
• 361-Ball Package (13x13mm) , 0.65mm Ball pitch
5. The AD6726 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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