OV9625 Datasheet, PDF (19/30 Pages) List of Unclassifed Manufacturers – OV9625 Color CMOS SXGA (1.3 MPixel) CAMERACHIP OV9121 B&W CMOS SXGA (1.3 MPixel) CAMERACHIP

Omni ision
Register Set
Table 11 Device Control Register List
Address Register
(Hex)
Name
0E
COMF
0F
COMG
10
AEC
Default
(Hex)
01
47
43
R/W
Description
Common Control F
Bit[7]: System clock selection
0: Use 24 MHz system clock
1: Use 48 MHz system clock
Bit[6:3]: Reserved
Bit[2]: Port output range selection
RW
0: Output data range is [001] to [3FE]
1: Output data range is [000] to [3FF]
Bit[1]: Reserved
Bit[0]: AEC option
0: Disable this function
1: Enable larger AEC step increase with correct
exposure time
Common Control G
Bit[7]:
Bit[6]:
Optical black output selection
0: Disable
1: Enable
Black level calibrate selection
0: Use electrical black reference
1: Use optical black pixels to calibrate
Bit[5:4]: Reserved
Bit[3]: Channel offset adjustment
0: Disable offset adjustment
1: Enable offset adjustment, B/Gb/Gr/R channel offset
RW
levels stored in registers RBIAS (see “BBIAS” on
page 24), GbBIAS (see “GbBIAS” on page 24),
GrBIAS (see “GrBIAS” on page 24) and RBIAS (see
“RBIAS” on page 25).
Bit[2]: Data range selection
Bit[1]:
Bit[0]:
0: Data range limited to [010] to [3F0]
1: Full range
ADC black level calibration bias selection
0: 040
1: 010
ADC black level calibration enable
0: Disable
1: Enable
Automatic Exposure Control Most Significant 8 bits for AEC[10:3] (least
significant 3 bits, AEC[2:0], in register COMB[2:0] - see “COMB” on
page 17).
AEC[10:0]: Exposure time
RW
T_EX = t_LINE x AEC[10:0]
Set COMI[2] = 0 (see “COMI” on page 21) to disable the AEC.
Version 1.3, September 15, 2003
Proprietary to OmniVision Technologies
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