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DLPC900_V01 Datasheet(Hoja de datos) 40 Page - Texas Instruments

No. de Pieza. DLPC900_V01
Descripción  DLPC900 Digital Controller for Advanced Light Control
Descarga  83 Pages
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Fabricante  TI1 [Texas Instruments]
Página de inicio  http://www.ti.com
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DLPC900
DLPS037D – OCTOBER 2014 – REVISED MARCH 2019
www.ti.com
Product Folder Links: DLPC900
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Copyright © 2014–2019, Texas Instruments Incorporated
7.3 Feature Description
The DLPC900 controller takes as input 16-, 20-, or 24-bit RGB data at up to 120-Hz frame rate. For example, a
120-Hz 24-bit frame is composed of three colors (red, green, and blue) with each color equally divided in the
120-Hz frame rate. Thus, each color has a 2.78-ms time slot allocated. Because each color has an 8-bit depth,
each color time slot is further divided into bit-planes. A bit-plane is the 2-dimensional arrangement of one-bit
extracted from all the pixels in the full color 2D image to implement dynamic depth (see Figure 16).
Figure 16. Bit Slices
The length of each bit-plane in the time slot is weighted by the corresponding power of two of its binary
representation. This provides a binary pulse-width modulation of the image. For example, a 24-bit RGB input has
three colors (R, G, & B) with 8-bit depth each. Each color time slot is then divided into eight bit-planes, with the
sum of the weight of all bit planes in the time slot equal to 256. Figure 17 illustrates the time partition of the bits
in one 8-bit color time slot within a 24-bit RGB frame.
Figure 17. Bit Partition of one 8-bit Color time slot within a 24-bit RGB Frame




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