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Display controller includes MDDI-compliant audio controller

Posted: 06 Oct 2006     Print Version  Bookmark and Share

Keywords:California Micro Devices  dual display  audio controller  wireless handsets 

California Micro Devices has unveiled a dual display and audio controller for wireless handsets that incorporates the VESA Standard Mobile Display Digital Interface (MDDI) link, which is fully compatible with Qualcomm's Mobile Station Modem (MSM) chipset solutions.

The CM5100 features a fully compliant, MDDI based serial client, an integrated display controller with embedded memory that supports primary TFT LCDs with resolutions up to QVGA (320x240) and secondary displays with up to QCIF+ (176x220) resolution.

The CM5100's architecture is targeted at today's most advanced TFT LCD modules that feature drivers integrated directly on the display glass and also allows the use of low cost, RAM-less drivers for non-integrated display modules. In both cases, said CMD, CM5100-based implementations result in a significantly smaller footprint and lower solution cost than competitive solutions. Additionally, the CM5100 is touted to be the first integrated display controller with an integrated MDDI compliant audio controller and features advanced audio and video synchronization capabilities.

The CM5100 supports all necessary video, audio and control packet types recommended by the MDDI specification. The integrated MDDI client transceiver is Type I (internal mode, 15cm max cable length), consisting of one data pair, one strobe pair and a dedicated power supply pair that can support a data rate of up to 385Mbps. As a result, the CM5100 requires only six lines operating at lower power compared to traditional parallel interfaces that could include up to 60 lines to control both displays and other resources.

Housed in a 100 bump, 0.5mm pitch Wafer Level Chip Scale Package with a form factor of 5-by-5mm, the CM5100 is developed in a low power process technology and features extensive power management modes to provide minimal power consumption.

Evaluation boards and chip samples of the CM5100 are already available. Chip pricing starts at Rs.277.26 ($6) in 1,000-unit orders. Volume production is scheduled for Q4 2006.

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