OV7620 datasheet(41/60 Pages) ETC

41 / 60 page

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

OMNIVISION TECHNOLOGIES INC.

Preliminary Company Confidential

COMG7: Reserved.

COMG6: Reserved.

COMG5: Reserved.

COMG4: RGB matrix disable. “1” - Bypass RGB matrix. “0” - Enable RGB matrix.

COMG3: Reserved.

COMG2: “1” Enables manual adjustment of A/D offset: 1 - A/D data will add or subtract a value defined by

registers [21] and [22]. 0 - A/D data will be shifted by a value defined by registers [21], [22] and

[2E], which is updated by internal circuit.

COMG1: - Disables CCIR range clip.

COMG0: - Special interface for external micro-controller and RAM timing control. See timing chart.

COMH7: - “1” selects One-Line RGB raw data output format, “0” selects normal dual-line (repetitive) raw

data output, effective only in Progressive Scan mode.

COMH6: - “1” enable Black/White mode.

COMH5: - “1” select Progressive Scan mode; “0” select Interlaced mode.

COMH4: - Freeze AEC/AGC value - current values retained. This is effective only when register 13 bit 0=1.

COMH3: - AGC disable.

COMH2: - Raw data output format: “1” - Green on Y channel, B R B R....on UV channel (GRB422), “0” - G

R G R.... on Y channel, B G B G..... on UV channel.

COMH1: - 2x Gain boost. “1” Double PreAmp gain to 6dB. “0” PreAmp gain is 0dB.

COMH0: - Reserved.

COMI7: - AEC disable. “1” If register 13 bit 0=1, AEC stop and register [10] value will be held at last AEC

value and not be updated by internal circuit. “0” - if register 13 bit 0=1, register [10] value will

be updated by internal circuit

COMI6: - Enable slave sync mode selection. “1” slave mode, use external CHSYNC and VSYNC.

“0” master mode

COMI<5:4> - Reserved.

COMI3: - Central weighted exposure control.

COMI2: - Reserved.

COMI1 - COMI0: Version flag.

Bits

COMG7

COMG6

COMG5

COMG4

COMG3

COMG2

COMG1

COMG0

Default

Bits

COMH7

COMH6

COMH5

COMH4

COMH3

COMH2

COMH1

COMH0

Default

Bits

COMI7

COMI6

COMI5

COMI4

COMI3

COMI2

COMI1

COMI0

Default

OV7620 Datasheet(PDF) 41 Page - List of Unclassifed Manufacturers

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