參數(shù)資料
型號(hào)： OV6620
廠商： Electronic Theatre Controls, Inc.
英文描述： SINGLE-CHIP CMOS CIF COLOR DIGITAL CAMERA
中文描述： 單芯片CMOS到岸價(jià)格彩色數(shù)碼攝像機(jī)
文件頁(yè)數(shù)： 20/31頁(yè)
文件大?。?/td> 341K
代理商： OV6620
OV6620/OV6120
20
Version 1.11
14 May 1999
SINGLE IC CMOS COLOR AND B/W DIGITAL CAMERAS
O
MNI
V
ISION
T
ECHNOLOGIES
, Inc.
Advanc ed Information
Preliminary
Notes:
1. In Interlaced Mode, there are Even/Odd field different (t8). When In Progressive Scan Mode, only frame timing same as
Even field(t8).
2. After VSYNC falling edge, OV6620 will output black reference level, the line number is T
vs
, which is the line number be-
tween the 1st HREF rising edge after VSYNC falling edge and 1st valid data CHSYNC rising edge. Then valid data, then
black reference, line number is T
ve
, which is the line number between last valid data CHSYNC rising edge and 1st
CHSYNC rising edge after VSYNC rising edge. The black reference output line number is dependent on vertical window
setting.
3. When in default setting, T
vs
= 14 * T
line
, which is changed with register VS[7:0]. VS[7:0] step equal to 1 line.
4. When in default setting, T
ve
= 4 * T
line
for Odd Field, T
ve
= 3 * T
line
for Even Field, which is changed with register VE[7:0].
VE[7:0] step equal to 1 line.
t
r,
t
f
PCLK rise/fall time
15
-
-
ns
t
pdd
PCLK to data valid
15
-
-
ns
t
phd
PCLK to HREF delay
20
10
5
ns
Table 13. Zoom Video Port AC Parameters
Symbol
Parameter
Min.
Max.
t1
PCLK fall timing
4 ns
8 ns
t2
PCLK low time
50 ns
t3
PCLK rise time
4 ns
8 ns
t4
PCLK high time
50 ns
t5
PCLK period
106 ns
t6
Y/UV/HREF setup time
10 ns
t7
Y/UV/HREF hold time
20 ns
t8
VSYNC setup/hold time to HREF
1 us
Table 12. Timing Characteristics
Symbol
Descriptions
Max
Typ
Min
Units
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