STV2310 datasheet(64/112 Pages) STMICROELECTRONICS

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STV2310

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DDECCONT9

DDECCONTA

DDECCONTB

Address (hex): 09h

Reset Value (bin): 0100 0000

Bit 7

Bit 6

Bit 5

Bit 4

Bit 3

Bit 2

Bit 1

Bit 0

ZOOMOUT_FACT[9:2]

Bit Name

Function

ZOOMOUT_

FACT [9:2]

Zoom-out Factor from 1 to 0.25 (MSBs)

The Zoom-out factor operates from 1 (no zoom) to 0.25 (large zoom). The Zoom-out factor must be

between 256 (x1) and 1023 (x0.25). The LSBs of this value are in the

DDECCONTB register.

3FFh: Zoom-out factor of 0.25 (Reduced picture)

100h: Zoom-out factor of 1.0 (No zoom) (Default value)

Address (hex): 0Ah

Reset Value (bin): 0000 0000

Bit 7

Bit 6

Bit 5

Bit 4

Bit 3

Bit 2

Bit 1

Bit 0

ZOOMIN_OFFSET[9:2]

Bit Name

Function

ZOOMIN_

OFFSET[9:2]

Zoom-in Offset (Cropping) (MSBs)

The Zoom-in offset determines the section of input line used for zooming in. The Zoom-in offset value must

be between 0 and the maximum number of Y pixels per line.

Note that the number of pixels per line will depend on the standard and the pixel mode.

Note that the Zoom-out factor is coded on 10 bits in 2 registers. The Default value is 0 = first left pixel of the

active line is the first pixel of zoom.

Address (hex): 0Bh

Reset Value (bin): 1100 0000

Bit 7

Bit 6

Bit 5

Bit 4

Bit 3

Bit 2

Bit 1

Bit 0

ZOOMIN_FACT[1:0]

ZOOMOUT_FACT[1:0]

ZOOMIN_OFFSET[1:0]

ZOOMOUT_

ZOOMIN_EN

Bit Name

Function

ZOOMIN_FACT

[1:0]

Zoom-in Factor (LSBs). See register

DDECCONT8.

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