OV7640 datasheet(13/18 Pages) OMNIVISION

13 / 18 page

Version 1.3, January 15, 2003

Proprietary to OmniVision Technologies

Omni ision

COMI

Common Control I

Bit[7:2]:

Reserved

Bit[1:0]:

Device Version (Read-only)

FRARH

Output Format – Frame Rate Adjust High

Bit[7]:

Data Format – Frame Rate Adjust Enable

Bit[6:5]:

Data Format – Frame Rate Adjust Setting MSB

FRA[9:0] = MSB + LSB = FRARH[6:5] + FRARL[7:0]

Bit[4]:

A/D – UV Channel ‘2 Pixel Delay’ Enable

Note: Bit[4] is not programmable on the B&W OV7140.

Bit[3:0]:

Reserved

FRARL

Data Format – Frame Rate Adjust Setting LSB

FRA[9:0] = MSB + LSB = FRARH[6:5] + FRARL[7:0]

RSVD

–

Reserved

COMJ

Common Control J

Bit[7:3]:

Reserved

Bit[2]:

AEC – Band Filter Enable

Bit[1:0]:

Reserved

2E-5F

RSVD

–

Reserved

SPCB

Signal Process Control B

Bit[7]:

AGC – 1.5x Multiplier (Pre-amplifier) Enable

Bit[6:0]:

Reserved

61-6B

RSVD

–

Reserved

RMCO

Color Matrix – RGB Crosstalk Compensation – R Channel

Note: This function is not available on the B&W OV7140.

GMCO

Color Matrix – RGB Crosstalk Compensation – G Channel

Note: This function is not available on the B&W OV7140.

BMCO

Color Matrix – RGB Crosstalk Compensation– B Channel

Note: This function is not available on the B&W OV7140.

6F-70

RSVD

–

Reserved

COML

Common Mode Control L

Bit[7]:

Reserved

Bit[6]:

Data Format – PCLK output gated by HREF Enable

Bit[5]:

Data Format – Output HSYNC on HREF Pin Enable

Bit[4]:

Reserved

Bit[3:2]:

Data Format – HSYNC Rising Edge Delay MSB

Bit[1:0]:

Data Format – HSYNC Falling Edge Delay MSB

HSDYR

Data Format – HSYNC Rising Edge Delay LSB

HSYNCR[9:0] = MSB + LSB = COML[3:2] + HSDYR[7:0]

• Range 000 to 762 pixel delays

Table 5

SCCB Register List

Address

(Hex)

Name

Default

(Hex)

R/W

Description

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