Register Set

Version 1.3, January 15, 2003

Proprietary to OmniVision Technologies

9

Omni ision

Register Set

Table 5 provides a list and description of the Device Control registers contained in the OV7640/OV7140. For all register

Enable/Disable bits, ENABLE=1 and DISABLE=0.

Table 5

SCCB Register List

Address

(Hex)

Register

Name

Default

(Hex)

R/W

Description

00

GAIN

00

RW

AGC – Gain control gain setting

• Range: [00] to [FF]

01

BLUE

80

RW

AWB – Blue channel gain setting

• Range: [00] to [FF]

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

02

RED

80

RW

AWB – Red channel gain setting

• Range: [00] to [FF]

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

03

SAT

80

RW

Image Format – Color saturation value

Bit[7:4]:

Saturation value

•

Range: [0] to [F]

Bit[3:0]:

Reserved

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

04

HUE

10

RW

Image Format – Color hue control

Bit[7:6]:

Reserved

Bit[5]:

Hue Enable

Bit[4:0]:

Hue setting

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

05

CWF

88

RW

AWB – Red/Blue Pre-Amplifier gain setting

Bit[7:4]:

Red channel pre-amplifier gain setting

•

Range: [0] to [F]

Bit[3:0]:

Blue channel pre-amplifier gain setting

•

Range: [0] to [F]

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

06

BRT

80

RW

ABC – Brightness setting

• Range: [00] to [FF]

07-09

RSVD

XX

–

Reserved

0A

PID

76

R

Product ID number (Read only)

0B

VER

45

R

Product version number (Read only)

0C-0F

RSVD

XX

–

Reserved

10

AECH

41

RW

Exposure Value