ADE3800SXT datasheet(58/138 Pages) STMICROELECTRONICS

部件名	ADE3800SXT

功能描述	Analog LCD Display Engine for XGA and SXGA Resolutions with Embedded LVDS and RSDS Transmitters

PDF	138 Pages

Scroll/Zoom	100%

制造商	STMICROELECTRONICS [STMicroelectronics]

网页	http://www.st.com

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58 / 138 page

ADE3800

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Only 2 kernels can be blended together. Smooth wins over Sharp.

Context Mixing Equations:

contrast = max(max(R0,R1,..)-min(R0,R1,..), max(G0,G1,..)-min(G0,G1,..), max(B0,B1,..)-

min(B0,B1,..)), 6b value, [0..63]

sharp_mix = clip((contrast >> (3-sharp_slope)) – sharp_offset, 0 , sharp_clip), 4b value, [0..15]

smooth_mix = (sharp_mix == 0) * (15 – clip((contrast << smooth_slope), 0, 15)), 4b value, [0..15]

normal_mix = 16 – sharp_mix – smooth_mix, [1,,16]

Note:

It is recommended to enable the context feature all the time with:

● SCL_CONTEXT_0 = 01

● SCL_CONTEXT_1 = 80

4.10.3 Scale Kernel Example

Recommended kernel is:

● Nearest Neighbor for 1X scale modes (no scaling)

● Cubic for > 1X scale modes (upscaling)

● Bilinear for < 1X scal modes (downscaling)

Address

No Scaling

Down Scaling

Up Scaling

Nearest Neighbor

Bilinear

“-0.7” Cubic

“-0.5” Cubic

H_KERNEL_0

0A10

100%

Smooth

Slope

Normal

Kernel

Sharp Clip

Sharp

Input Contrast

Sharp Slope

Sharp Offset

Output Mix

ADE3800SXT 数据表(PDF) 58 Page - STMicroelectronics

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