ADE3800SXT datasheet(59/138 Pages) STMICROELECTRONICS

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ADE3800

Note:

Upscaling and downscaling can be simultaneously combined horizontally and vertically.

4.11 Pattern Generator (PGEN)

The PGEN block can generate graphic patterns to support debug and test tasks for LCD panels

such as horizontal or vertical bicolor stripes, bicolor checkers, color bars, gray scales or color

scales. It is also possible to pass through the RGB signal coming from the SCL block.

Note:

The PGEN block is located before the sRGB color management block.

4.11.1 Overview

The following features of the PGEN block overlap each other like layers, defining display priorities:

● Bars (lowest display priority)

● Cells and Grids

● Borders

● TCON Window Control (highest display priority)

Bars and cells are freely programmable in size and independently of each other.

A border is a horizontal or vertical borderline. If enabled, it has priority over the above settings.

Above all, aTCON window, if enabled, restrains all PGEN settings to a given display area.

H_KERNEL_1

0A11

H_KERNEL_2

0A12

H_KERNEL_3

0A13

H_KERNEL_4

0A14

H_KERNEL_5

0A15

H_KERNEL_6

0A16

H_KERNEL_7

0A17

H_KERNEL_8

0A18

H_KERNEL_NORM

0A19

V_KERNEL_0

0A1A

V_KERNEL_1

0A1B

V_KERNEL_2

0A1C

V_KERNEL_3

0A1D

V_KERNEL_4

0A1E

V_KERNEL_NORM

0A1F

Address

No Scaling

Down Scaling

Up Scaling

Nearest Neighbor

Bilinear

“-0.7” Cubic

“-0.5” Cubic

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