OV7620 datasheet(45/60 Pages) ETC

45 / 60 page

OV7620 Product Specifications - Rev. 1.2 (5/13/00)

OMNIVISION TECHNOLOGIES INC.

Preliminary Company Confidential

White balance limiting function - YUV matrix control.

AWBC<7:6>: Smart AWB ignores RGB raw data pixel values above (00):70%, (01): 80%, (10): 90%,

(11):100%.

AWBC<5:4>: Smart AWB ignores RGB raw data pixel values below (00):10%, (01) 20%, (10) 30%,

(11) 40%.

AWBC<3:2>: U threshold level selection if use U/V as white balance feedback

00: (-10% ~ 10%); 01: (-20% ~ 20%); 10: (-30% ~ 30%); 11: (-40% ~ 40%)

AWBC<1:0>: V threshold level selection if use U/V as white balance feedback

00: (-10% ~ 10%); 01: (-20% ~ 20%); 10: (-30% ~ 30%); 11: (-40% ~ 40%)

YUV<7:6>: UV coefficient selection (U/V is output and u/v is input)

• [00]: YUV

• [01]: Analog YUV

• [10]: CCIR 601 YCrCb

• [11]: PAL YUV

YUV5: U/V signal delay 2 pixel selection

YUV4: U/V signal with 3 point chroma average(2 pixel delay accordingly)

YUV<3:2>: Y signal delay selection: (00) - 0; (01) - 1; (10) - 2; (11) - 3 pixels

YUV1: Auto saturation control (decreases color noise) enable.

YUV0: Auto saturation control range selection: 0 - 1.5x; 1 - 1x.

SPCD<7:5>: AEC/AGC Brighness Target level selection.

000 - 10%; 001 - 30%; 010 - 50%; 011 - 70%; 100 - 80%; 101 - 90%; 110 - 100%; 111 - 110%.

SPCD4: Reserved. Always set to “0”.

SPCD<3:2>: Anti-alias threshold: 11 lowest threshold; 01, 10 midrange threshold; 00 highest threshold.

SPCD<1:0>: Anti-alias magnitude: 00 - low strength; 01, 10 mid strength; 11:high strength.

Bits

AWBC7

AWBC6

AWBC5

AWBC4

AWBC3

AWBC2

AWBC1

AWBC0

Default

Bits

YUV7

YUV6

YUV5

YUV4

YUV3

YUV2

YUV1

YUV0

Default

Bits

SPCD7

SPCD6

SPCD5

SPCD4

SPCD3

SPCD2

SPCD1

SPCD0

Default

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