OV6620 Datasheet, PDF (31/31 Pages) List of Unclassifed Manufacturers – SINGLE-CHIP CMOS CIF COLOR DIGITAL CAMERA

OMNIVISION TECHNOLOGIES, Inc.
Advanced Information
Preliminary
OV6620/OV6120
SINGLE IC CMOS COLOR AND B/W DIGITAL CAMERAS
Subad-
dress
(hex)
Register
3C
COMM
3D
COMN
3E
COMO
3F
COMP
40
Rsvd40 - Rsvd4C
4D
YMXA
4E
Rsvd4E
4F
YMXB
50
Rsvd50 - Rsvd53
Default
(hex)
Read/
Write
Descriptions
Common Control M
COMM[7:5] - Select minimum AEC number if Banding filter enable. [000] -- 1 field, [001] -- 1/2;
[010] -- 1/4; [011] -- 1/8; [100] -- 1/16; [101]~[111] -- 1/32;
21
RW
COMM[4] - AEC/AGC change mode selection
COMM[3] - AEC/AGC change mode selection
COMM[2] - AEC/AGC change fastest mode
COMM[1] - AEC/AGC change fast mode
COMM[0] - AEC/AGC change slowest mode
Common Control N
COMN[7] - Enable one frame drop when AEC change to keep data valid when Banding filter
08
RW
mode enable.
COMN[6:4] - reserved
COMN[3] - Enable 50 Hz PAL video timing, so VTO analog signal can be displayed on TV
COMN[2:0] - reserved
Common Control O
COMO[7] - Input main clock divided by 2 or 4 selection. 1 -- 2; 0 -- 4
COMO[6:5] - reserved
80
RW
COMO[4] - Select 4 bit nibble mode output
COMO[3] - reserved
COMO[2] - Enable Minimum exposure time is 4 line. Default is 1 line
COMO[1] - reserved
COMO[0] - reserved
Common Control P
COMP[7] - reserved
COMP[6] - Output main clock output from FODD port
02
RW
COMP[5] - reserved
COMP[4] - Software whole chip power down enable, can be waked up by disable this bit
COMP[3:2] - reserved
COMP[1] - CCIR656 output control
COMP[0] - Reset internal timing circuit without reset AEC/AGC/AWB value
XX
-
reserved
YUV Matrix Control (Main)
YMXA[7:5] - reserved
YMXA[4:3] - YUV/YCrCB selection:
02
RW
[00] U = u, V = v
[01] U = 0.938u, V = 0.838v
[10] U = 0.563u, V = 0.714v
[11] U = 0.5u, V = 0.877v
YMXA[2:0] - Reserved
XX
-
reserved
YUV Matrix Control (Secondary)
YMXB[7:6] - Y channel delay selection: 0 ~ 3 tp
00
RW
YMXB[5:4] - UV delay selection: 0 ~ 6 tp
YMXB[3:2] - Select UV average mode. [00] & [10]: U0/V0 (no delay); [01] -- 3 point average;
[11] -- 5 point average mode
YMXB[1:0] - Color killer control: [00]:2.4v;[01]:2.6v;[10]:2.8v;[11]:3.0v
XX
-
reserved
14 May 1999
Version 1.11
31