SPEAR1310 datasheet(40/57 Pages) STMICROELECTRONICS

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TFT LCD controller (CLCD)

SPEAr1310

40/57

Doc ID 17528 Rev 4

TFT LCD controller (CLCD)

The TFT LCD controller provides all the necessary control signals to interface directly to a

variety of TFT LCD panels.

26.1

Main features

●

Wide range of programmable LCD panel resolutions

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Support for 1 port TFT LCD panel interfaces:

–

18-bit digital (6-bits/color)

–

24-bit digital (8-bits/color) CMOS

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Support for 2 Port TFT LCD panel interfaces (2nd port available on PL_GPIOs)

●

Programmable frame buffer bits-per-pixel (bpp) color depths:

–

1, 2, 4, 8 bpp mapped through the color palette to 18-bit LCD pixel

–

up to 18 bpp directly drive 18-bit LCD pixel

–

24 bpp directly drive 24-bit LCD pixel

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Color Palette RAM to reduce Frame Buffer memory storage requirements bandwidth

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Programmable output format support:

–

RGB 6:6:6 or 5:6:5 or 5:5:5 on 18-bit digital interface

–

RGB 8:8:8 on 24-bit digital interface

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Programmable horizontal timing parameters:

–

horizontal front porch, back porch, sync width, pixels-per-line

–

horizontal sync polarity

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Programmable vertical timing parameters:

–

vertical front porch, back porch, sync width, lines-per-panel

–

vertical sync polarity

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Programmable pixel clock frequency up to bus clock frequency

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Programmable data enable timing signal:

–

derived from horizontal and vertical timing parameters

–

display enable polarity

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Power up and down sequencing support

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Programmable endianness

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Pulse width modulation for LCD panel LED backlight brightness control

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