ov9625 ETC-unknow, ov9625 Datasheet - Page 19

• Manufacturer Part Number: ov9625
• Description: Ov9625 Color Cmos Sxga Mpixel Camerachip Ov9121 Cmos Sxga Mpixel Camerachip
• Manufacturer: ETC-unknow

O
Version 1.3, September 15, 2003
mni
Table 11
Address
(Hex)
ision
0E
0F
10
Register
Device Control Register List
COMG
COMF
Name
AEC
Default
(Hex)
01
47
43
R/W
RW
RW
RW
Common Control F
Common Control G
Automatic Exposure Control Most Significant 8 bits for AEC[10:3] (least
significant 3 bits, AEC[2:0], in register COMB[2:0] - see
page
T
Set COMI[2] = 0 (see
EX
Bit[7]:
Bit[6:3]: Reserved
Bit[2]:
Bit[1]:
Bit[0]:
Bit[7]:
Bit[6]:
Bit[5:4]: Reserved
Bit[3]:
Bit[2]:
Bit[1]:
Bit[0]:
AEC[10:0]: Exposure time
= t
17).
LINE
Proprietary to OmniVision Technologies
x AEC[10:0]
System clock selection
0:
1:
Port output range selection
0:
1:
Reserved
AEC option
0:
1:
Optical black output selection
0:
1:
Black level calibrate selection
0:
1:
Channel offset adjustment
0:
1:
Data range selection
0:
1:
ADC black level calibration bias selection
0:
1:
ADC black level calibration enable
0:
1:
Use 24 MHz system clock
Use 48 MHz system clock
Output data range is [001] to [3FE]
Output data range is [000] to [3FF]
Disable this function
Enable larger AEC step increase with correct
exposure time
Disable
Enable
Use electrical black reference
Use optical black pixels to calibrate
Disable offset adjustment
Enable offset adjustment, B/Gb/Gr/R channel offset
levels stored in registers RBIAS (see
page
GrBIAS (see
“RBIAS” on page
Data range limited to [010] to [3F0]
Full range
040
010
Disable
Enable
“COMI” on page
24), GbBIAS (see
Description
“GrBIAS” on page
25).
21) to disable the AEC.
“GbBIAS” on page
24) and RBIAS (see
“COMB” on
“BBIAS” on
Register Set
24),
19