VD6640 datasheet(62/126 Pages) STMICROELECTRONICS

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Control interface

VG6640, VD6640

62/126

DocID023597 Rev 11

4.2.15

Statistics control registers [0x24A6 - 0x24D3

In Table 28 below, data refers only to RGB.

]

Table 28. Statistics control registers [0x248B - 0x24D3]

Index

Byte

Data

type

Default

Type

Comment

0x24A6

StatsControl

8UI

0x00

[0] - bAccZoneErrorStatus:

0 = Accumulation zone fully within

pixel array.

1 = Accumulation zone extends

beyond pixel array.

0x24A7

Acc8x6_Control

8UI

0x04

[5:4] - AccColorSel:

0 = Green in red

1 = Red

2 = Blue

3 = Green in blue

[2] - AccType:

0 = Zoned

1 = Flat

[1:0] - AccMode:

0 = Full pixel value

1 = Clip pixel val

2 = Histogram

3 = No accumulation

0x24A8 HI

Axx8x6_XSize

16UI

0x00

Accumulator X size

0x24A9 LO

0x64

0x24AA HI

Axx8x6_YSize

16UI

0x00

Accumulator Ysize

0x24AB LO

0x64

0x24AC HI

Axx8x6_XOffset

16UI

0x00

Accumulator X offset

0x24AD LO

0xFC

0x24AE HI

Axx8x6_YOffset

16UI

0x00

Accumulator Y offset

0x24AF LO

0xBE

0x24B0

Histo0_Control

8UI

0x00

[2:0] - HistogramColorSelect:

0 = Green in red

1 = Red

2 = Blue

3 = Green in blue

4 = All green

5 = All colors

0x24B1 HI

Histo0_XSize

16UI

0x03

Histogram0 X size

0x24B2 LO

0x20

0x24B3 HI

Histo0_YSize

16UI

0x02

Histogram0 Ysize

0x24B4 LO

0x58

0x24B5 HI

Histo0_XOffset

16UI

0x00

Histogram0 X offset

0x24B6 LO

0xFC

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