LCD Controller and Display Buffer Solutions - Toshiba America Electronics Components - #1

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Product Brief LCD Controller and Display Buffer Solutions Highlights • The Toshiba LCD controller and buffer ICs dramatically increase data traffic (e.g. up to 1 Gbps) between baseband and I/O devices, simplify electrical and mechanical design with higher reliability, and enable support for dual- LCD displays. • Solutions are based on industry standards, such as the Mobile Display Digital Interface (MDDI) and the Mobile Industry Processor Interface (MIPI). Description Mobile phone services and phone features require bigger and better LCDs. The specifications for VGA and higher resolution LCDs require wider color depth and higher data traffic. Total power consumption for such a display system could be significant. Toshiba display controllers and buffer ICs are built around industry standards such as MDDI or MIPI. These devices offer the following benefits, while delivering the scalability to accommodate higher resolution (VGA) displays. • Performance improvement – Support for higher data traffic (up to 1 Gbps) – Support for higher refresh rate (up to 60 fps) – Support for dual LCDs LCD Controller and Display Buffer Solutions 1 • System power reduction • Interface adaptability (parallel or serial) Toshiba’s high-speed display controller and buffer solutions comprise the following products: • MDDI LCD controller • MIPI LCD controller Toshiba MDDI LCD Controller Designated the TC358720XBG, this product is optimized for mobile phones using MDDI high-speed serial digital packet host interface and high-resolution LCD panel(s) (applicable to systems using Qualcomm’s MSM™ baseband processor family). The serial data interface supports throughputs of up to 400 Mbps by using two, low-voltage differential signal pairs. Due to the combination of LVDS technology and on-chip eDRAM memory buffer, the TC358720XBG supports a VGAwww. Toshiba.com/taec Now BB BB BB Parallel This IF is too slow for data traffic for huge screen size and wide color depth Future Parallel 16-bit (18–24-bit RGB) Parallel (18–24-bit RGB) High-speed serial (MDDI, MIPI) High-speed serial LCD Controller for IF conversion and full frame buffers This RAM is too small to buffer full RAM VGA size picture QVGA Driver Display QCIF/QVGA 18-bit RGB Driver Display VGA/WVGA 24-bit RGB Driver Display VGA/WVGA 24-bit RGB Reuse old BB platform and connect VGA display with wide color depth Connect parallel based display modules to new high-speed serial standard LCD Controller RAM VGA/ WVGA LCD Controller RAM VGA/ WVGA Display Interface Design Alternatives