10
Proprietary to OmniVision Technologies
Version 1.4, March 6, 2003
OV7640/OV7141
CMOS VGA (640 x 480) CAMERACHIP™
Omni ision
Register Set
Table 5 provides a list and description of the Device Control registers contained in the OV7640/OV7141. For all register
Enable/Disable bits, ENABLE=1 and DISABLE=0. The device slave addresses for the OV7640/OV7141 are 42 for write and
43 for read.
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 OV7141.
02
RED
80
RW
AWB – Red channel gain setting
• Range: [00] to [FF]
Note: This function is not available on the B&W OV7141.
03
SAT
84
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 OV7141.
04
HUE
34
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 OV7141.
05
CWF
3E
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 OV7141.
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
48
R
Product version number (Read only)
0C-0F
RSVD
XX
–
Reserved
10
AECH
41
RW
Exposure Value
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