VS6724 datasheet(101/118 Pages) STMICROELECTRONICS

tên linh kiện	VS6724

Giải thích chi tiết về linh kiện	2 Megapixel single-chip camera module

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VS6724

Programming model and register description

101/118

JPEG image characteristics

Table 50.

JPEG image characteristics

Index

JPEGImageCharacteristics(1)

0x23b4

bJPEG_Fill_Val

Default value

0xa5

Purpose

Value of padding bytes inserted at the end of the JPEG data sequence

to fill the final packet, must equal bJPEG_Padding

Type

BYTE

0x23b6

bJPEG_Padding

Default value

0xa5

Purpose

Value of padding bytes inserted at the end of the JPEG data sequence

to fill the final packet, must equal bJPEG_Fill_Val

Type

BYTE

0x2508

bHiSqueezeValue

Default value

0x18

Purpose

Sets squeeze factor for HIgh Quality

Type

BYTE

Possible values

The Squeeze value can be programmed between the range 6 (Highest

quality) to 255 (Low quality)

0x2508

bMedSqueezeValue

Default value

0x20

Purpose

Sets squeeze factor for Medium Quality

Type

BYTE

0x2508

bLowSqueezeValue

Default value

0x28

Purpose

Sets squeeze factor for Low Quality

Type

BYTE

0x2511

0x2512

uwLinelength

Default value

0x0200

Purpose

Sets the number of bytes of JPEG data are present in each Packet

(line), must equal uwThres

Type

WORD

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