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OV7640 Datasheet, PDF (10/20 Pages) List of Unclassifed Manufacturers – OV7640 Color CMOS VGA (640 x 480) CAMERACHIP OV7141 B&W CMOS VGA (640 x 480) CAMERACHIP
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 Register Default
(Hex)
Name
(Hex)
R/W
00
GAIN
00
RW
01
BLUE
80
RW
02
RED
80
RW
03
SAT
84
RW
04
HUE
34
RW
05
CWF
3E
RW
06
BRT
80
RW
07-09
RSVD
XX
–
0A
PID
76
R
0B
VER
48
R
0C-0F
RSVD
XX
–
10
AECH
41
RW
Description
AGC – Gain control gain setting
• Range: [00] to [FF]
AWB – Blue channel gain setting
• Range: [00] to [FF]
Note: This function is not available on the B&W OV7141.
AWB – Red channel gain setting
• Range: [00] to [FF]
Note: This function is not available on the B&W OV7141.
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.
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.
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.
ABC – Brightness setting
• Range: [00] to [FF]
Reserved
Product ID number (Read only)
Product version number (Read only)
Reserved
Exposure Value
10
Proprietary to OmniVision Technologies
Version 1.4, March 6, 2003