OV9625 Datasheet, PDF (21/30 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
Address
(Hex)
13
14
Device Control Register List
Register
Name
COMI
COMJ
Default
(Hex)
07
76
R/W
Description
Common Control I
Bit[7]: AEC speed selection
0: Normal
1: Faster AEC correction
Bit[6]: AEC speed/step selection
0: Small steps (slow)
1: Big steps (fast)
Bit[5]: Banding filter ON/OFF
0: OFF
1: ON, set minimum exposure to 1/120s
Bit[4]: Banding filter option
0: Set to 0, if system clock is 48 MHz and the PLL is
RW
ON.
Bit[3]:
1: Set to 1, if system clock is 24 MHz and the PLL is ON
or if the system clock is 48 MHz and the PLL is OFF.
Reserved
Bit[2]: AGC auto/manual control selection
0: Manual
1: Auto
Bit[1]: AWB auto/manual control selection
0: Manual
1: Auto
Bit[0]: Exposure control
0: Manual
1: Auto
Common Control J
Bit[7:6]: AGC gain ceiling
00: 2x
01: 4x
10: 8x
11: 8x
Bit[5:4]: Reserved
Bit[3]: Auto banding filter
0: Banding filter is always ON/OFF depending on
COMI[5] setting (see “COMI” on page 21)
RW
1: Automatically disable banding filter if light is low
Bit[2]: VSYNC drop option
0: VSYNC is always output
1: VSYNC is dropped if frame data is dropped
Bit[1]: Frame data drop option
0: Disable data drop
1: Drop data frame if exposure is not within tolerance.
In AEC mode, data is normally dropped when data is
out of range
Bit[0]: Freeze current Exposure and Gain values
0: Normal
1: Freeze
Version 1.3, September 15, 2003
Proprietary to OmniVision Technologies
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