- 40 -
3. TECHNICAL BRIEF
3.17 Circuit Description
♦♦
Baseband Circuit Description
1. Digital Baseband system ( AD6721 )
• Digital Baseband Processor - Atlas2H (AD6721)
♦ MCU Subsystem
- ARM7TDMI
- 65MHz @ 1.8V
- 16KBytes Cache
♦ DSP Subsystem
- 16-bit Fixed Point DSP Processor
- 91 MIPS at 1.8V
- 16Kword Data and 16Kword Program SRAM
- 4Kword Program Instruction Cache
♦ Peripheral Subsystem
- Support for Burst and Page Mode Flash
- Support for Pseudo SRAM
- Ciphering module for GPRS supporting GEA1 and
- GEA2 encryption algorithms
- Parallel and Serial Display Interface
- 8x8 Keypad Interface
- Four independent programmable backlights plus One
- Service Light
- Universal System Connector Interface
- Enhanced Generic Serial Port
- Dedicated SPI interface
LGE Internal Use Only
Copyright © 2007 LG Electronics. Inc. All right reserved.
Only for training and service purposes