ADE3800XT 데이터 시트보기 (PDF) - STMicroelectronics

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ADE3800XT

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

STMicroelectronics 

ADE3800

Register Description by Block

APC_CTRL0[4] enables symmetric clipping of white levels respectively black levels for 6-bit panels

as well as 8-bit panels.

RGB offset APC_CTRL0[3] enables a different dither amplitude offset for each color component.

When the frame inversion APC_CTRL0[2] is set to 1, the dither amplitude is inverted every other

frame.

A Matlab file is provided to generate a variety of different threshold matrices.

Table 32: APC Registers

Register Name

Addr Mode Bits Rst

Description

APC_CTRL0

APC_CTRL1

0C20 R/W

0C21 R/W

[7]

00

[6]

[5]

[4]

[3]

[2]

[1]

[0]

[7:4] 00

[3:0]

Horizontal displacement increment of (Frame Offset) per

color component

0*: disabled

1: enabled

Vertical start position of dither matrix changes by Frame

Offset

0*: disabled

1: enabled

Horizontal start position of dither matrix changes by Frame

Offset

0*: disabled

1: enabled

Symmetric clipping for white level and black level

0*: disabled

1: enabled (normal)

Dither amplitude offset per color component

0*: disabled

1: enabled

Invert dither amplitude every other frame

0*: disabled

1: enabled

Panel Depth

0*: for true 8 bit panels

1: for 6 bit panels/8bit panels with internal dithering

Dither amplitude

0*: amplitude set to 0

1: enabled (normal)

Frame Offset

This value offsets the start position of the dither matrix from

frame to frame

Frame Length

The dither matrix start position is reset after (Frame Length

+1) number of frames, only if > 0

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