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MDDI LCD IC offers high display resolutions

Posted: 08 Apr 2008     Print Version  Bookmark and Share

Keywords:LED intensity control  LCD controller 

Toshiba America Electronic Components Inc. (TAEC) has added to its portfolio of products supporting the company's Mobile Strategic Initiative, the TC358722XBG mobile digital display interface (MDDI) LCD controller. Supplementing Toshiba's current offering of LCD controllers with MDDI support, the TC358722XBG offers display resolutions in portable consumer electronics devices, like smartphones and portable navigation devices (PNDs), of up to VGA (640 x 480pixels) and WVGA (800 x 480pixels) and features a full-frame buffer capable of displaying 60fps in low power mode.

Handsome interface
In addition to its high-performance frame buffer and fast MDDI, the TC358722XBG features an integrated image processor that supports a variety of image processing algorithms (doubling, rotating, mirroring and interpolation), programmable gamma correction and full 24bit RGB output for the display of up to 60 million colors. By using Toshiba's embedded DRAM technology, which integrates system DRAM directly onto a chip, the TC3587722XBG can offer a 10Mbit full-frame display buffer to drive a WVGA main display and a secondary display with a QCIF (176 x 144pixels) resolution.

The TC3587722XBG device uses a 100-pin P-VFBGA package with a small design footprint (6mm x 6mm x 1mm) for easy implementation in space-challenged environments. The TC358722XBG is compliant to the VESA MDDI Type 1 client interface and supports data rates up to 400Mbit/s. The device also supports 8/16/18/24bit microprocessor interfaces and RGB output in 8/16/18/24bit formats via an integrated RGB format converter. The TC3587722XBG has SPI and I²C peripheral interfaces and a 32KHz DPPL system clock that can drive the mobile device's display even when the MDDI interface is inactive, providing increased power savings. Other peripheral interfaces in the TC358722XBG include a 3-channel PWM signal generator for white LED intensity control and an additional ten general purpose I/O ports.

The TC358722XBG is available now and is priced at Rs.256.61 ($6.50) per unit in 10,000-piece quantities.

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