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LGE Internal Use Only Copyright © 2009 LG Electronics. Inc. All right reserved.
Only for training and service purposes
3. Technical Brief
3.9 Digital Baseband(DBB/MSM7200A)
3.9.1 General Description
A. Features(MSM7200A)
y Support for multimode operation – WCDMA(UMTS),GSM/GPRS,EDGE, HSDPA/HSUPA
y The ARM1136-J microprocessor can operate at up to 528 MHz.
y The ARM926EJ-S microprocessor can operate up to 256 MHz.
y Internal 256M Bits stacked DDR memory.
y Java hardware acceleration for faster Java-based games and other applets.
y Supports low-power, low-frequency crystal to enable TCXO shutoff.
y Integrated USIM Controller for direct interface to USIM card
y Software-controlled power management feature
y Integrated Bluetooth 2.0 baseband processor for wireless connectivity to peripherals
y High-speed, serial mobile-display, digital interface that optimizes the interconnection cost
between the MSM device and the LCD panel
y Receive chain diversity support for WCDMA, providing improved capacity and data throughput
y USB OTG core supports both slave and limited host functionality
y High-speed USB link
y Integrated wideband stereo CODEC for digital audio applications
y Direct interface to digital camera module with video front end (VFE) image processing
y Vocoder support (GSM-HR, FR, EFR, AMR, W-AMR, and 4GV)
y Advanced 15 15 1.4 mm, 0.5 mm pitch, 543-pin lead-free CSP packaging technology
y HSDPA Features
- supports release 5, December 2004 standard for HSDPA
- HSDPA enables PS data speeds up to 7.2 Mbps on the downlink
y WCDMA Features
- supports release 99 June 2004 of the W-CDMA FDD
standard
- PS data rates supporting 384kbps DL / 384kbps UL
- CS data rates supporting 64kbps DL / 64kbps UL
-AMR (all rates)
y GSM Features
- Voice features (FR,EFR,AMR,HR)
- Circuit-switched data features(9.6K,14.4K,Fax)
y GPRS Features
- Simple Class A operation
- Multi-slot class 12 data services
- CS schemes CS1,CS2,CS3,CS4
y EDGE Features
- EDGE E2 power class for 8PSK
- Simple Class A, multi-slot class 12
- Downlink/Uplink coding schemes (CS1-4, MCS1-9)
y Operation and Services
- LCD & Camera Interface
-USIM Interface
- Dual Memory Buses(EBI1-SDRAM & EBI2-NAND Flash)
- External Memory Interface (Micro SD)
y Data Communication
-Bluetooth
-Slave USB
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