ov7620 OmniVision Technologies, Inc, ov7620 Datasheet - Page 49

• Manufacturer Part Number: ov7620
• Description: Single-chip Cmos Vga Color Digital Camera
• Manufacturer: OmniVision Technologies, Inc

OV7620/OV7120 Product Specifications - Rev. 1.2 (7/10/01)
Register 73 - rw: Horizontal Sync 2nd Edge shifting
Register 74 - rw: Common Control M
Register 75 - rw: Common Control N
Register 76 - rw: Common Control O
Bits
Default
Bits
Default
Bits
Default
Bits
Default
HSDY<7:0> - Lower 8 bit control for shifting horizontal sync CHSYNC second edge. Range is [000] - [3FF].
COMM7 - Enable UV Smart AWB threshold control.
COMM<6:5> - AGC maximum gain selection: 00 - 2x; 01 - 4x; 10 - 2x; 11 - 8x
COMM<4:0> - Reserved.
COMN7 - “1” enables Auto brightness range limit. Minimum will be [40]. Otherwise will be [00] ~ [FF].
COMN<6:3> - Reserved.
COMN2 - This bit further reduces the exposure time to 1/120 second or 1/100 second when the banding fil-
COMN1- If enabled, manual write white balance value, then change to auto, the stable time will be less.
COMN0 - Enables addition of 2 pixel averaging.
COMO7 - Output XCLK from FODD pin.
COMO6 - Reserved.
COMO5 - Software power down enable: 1 - enable; 0 - wake up
COMO4 - Reserved.
COMO3 - Limits the Minimum Exposure time to 4 lines rather 1 line with AEC enable
COMO2 - Tri-state sync and CLK output, except data line
COMO<1:0> - Reserved.
COMM7
COMN7
COMO7
HEDY7
0
0
1
0
Every count equals 1 PCLK.
ter is enabled and the light is too strong.
Speeds white balance stable time when switching from manual to AWB.
COMM6
COMO6
COMN6
HEDY6
1
0
0
0
COMM5
COMN5
COMO5
HEDY5
0
1
0
0
COMM4
COMN4
COMO4
HEDY4
1
0
0
0
Preliminary
COMM3
COMO3
COMN3
HEDY3
0
0
0
0
COMM2
COMN2
COMO2
HEDY2
1
0
0
0
Company Confidential
OMNIVISION TECHNOLOGIES INC.
COMM1
COMO1
COMN1
HEDY1
0
0
1
0
COMM0
COMN0
COMO0
HEDY0
0
0
0
0