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Datenblatt-Suchmaschine für elektronische Bauteile |
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Datenblatt-Suchmaschine für elektronische Bauteile |
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FPD94128 Datenblatt(PDF) 1 Page - National Semiconductor (TI) |
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FPD94128 Datenblatt(HTML) 1 Page - National Semiconductor (TI) |
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1 / 4 page  FPD94128 528-Ch Small Format a-Si AMLCD Controller / Column Driver with Integrated Frame Buffer General Description The FPD94128 is a Controller/Column Driver for use in low-power small format color TFT LCD displays. The FPD94128 contains a frame buffer, display refresh controller, programmable gamma reference, 528-channel column driver, and a backlight intensity modulator. The FPD94128 and the companion FPD93140 (gate driver with power sup- ply) form a complete 2-chip solution for driving TFT LCD panels containing up to 176RGB x 240 pixels with versatile mounting and scan options. 262,144 colors are supported in 18-bit color mode, and 12-bit, 9-bit, and 3-bit color modes are provided for reduced power. Data may be loaded via serial, 8/16-bit parallel, and video interfaces (18-bit NTSC R’G’B’ or 8/16-bit BT.601 4:2:2 Y’CbCr). The video frame rate and the refresh rate of the LCD panel are independent. The LCD panel refresh rate and the polar- ity inversion interval are programmable. The LCD panel refresh rate may be up to 125 fps. Two partial-display re- gions, reduced-color modes, and an automatic backlight control are provided to minimize total system power con- sumption. The FPD94128 requires no external components. Parts are provided as gold bumped flip-chip devices. The nominal range for VDD is [1.8V-3.3] V, and the nominal range for the LCD drive voltage is [3.3-5.5] V. Features n Video port accepts 18-bit video (NTSC R’G’B’) or 8/16-bit video (BT.601 Y’CbCr 4:2:2) at up to 150 QCIF fps (4 Mpix/s). n CPU port accepts packed graphics data (1.1.1, 3.3.2, 4.4.4, 5.6.5, 6.6.6 RGB) via SPI or parallel 8/16-bit (80x/68x) interfaces n Internal frame buffer supports up to 176RGB x 240 (18-bit pixels). n Flexible mounting/scan options provide for symmetric display layout n Programmable for smaller display resolutions such as 176RGB x 220, 144RGB x 176, 132RGB x 176, etc. n No external components. n Quiescent power ~2.5mW in 18-bit mode n Programmable color-depth allows selection of 3, 9, 12, or 18-bit color modes to further reduce power. n Power-saving automatic backlight intensity reduction based on statistics of image data or by direct system control. n Two-region partial display option for ultra-low power in handset stand-by mode. n Frame, line, or n-line inversion modes. n Programmable gamma curve control allows easy adjustment for optimum gray level placement and minimum flicker. n Programmable line rate supports up to 125Hz display refresh rate. n Separate addressing of two memory regions allows simultaneous loading of both streaming video and graphic/icon data n Versatile auto-increment addressing modes allow horizontal or vertical raster scanning. n Factory-calibrated internal clock provides accurate refresh control with no external components. Ordering Information NSID Function Package FPD93140 Gate Driver (see Datasheet) COG FPD94128 Column Driver COG ADVANCE INFORMATION May 2003 © 2003 National Semiconductor Corporation DS200729 www.national.com |
Ähnliche Teilenummer - FPD94128 |
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Ähnliche Beschreibung - FPD94128 |
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