LG KT520 Service Manual page 21

3. TECHNICAL BRIEF
• WCDMA subsystem
- The digital baseband controller WCDMA subsystem incorporate a WCDMA modem
- An interface to the WCMDA together with memory control and an internal single port RAM. The
WCDMA subsystem has three AHB slave interfaces.
- The Ericsson DB 3150 also includes HSDPA class 6 functionality.
- The WCDMA subsystem is handled and provided by Ericsson.
• XGAM subsystem
- The XGAM subsystem is a graphics acceleration module that provides hardware support in the
creation of visual imagery and the transfer of this data to a display. The XGAM also provides
support for connecting a Camera module. The visual data could be graphics, still images, or video.
- The XGAM subsystem is handled and provided by Ericsson.
• Operation and Services
- I C™ Interface
2
- SIM Interfaces
- General Purpose I/O (GPIO) Interface
- External Memory Interface that supports NAND, NOR, PSRAM, SDRAM
- JTAG
- RTC
- ETM (in Prototype Package)
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Only for training and service purposes