參數(shù)資料
型號: VS6552
廠商: 意法半導(dǎo)體
英文描述: VGA Color CMOS Image Sensor Module
中文描述: VGA彩色CMOS圖像傳感器模塊
文件頁數(shù): 11/26頁
文件大?。?/td> 800K
代理商: VS6552
11/26
VS6552
Table 12. Timing Characteristics
Figure 4. CCI AC characteristics
Note: The VS6552 maximum I2C frequency of 400 kHz is only valid for external clock frequencies at or above 19.2 MHz. Due to a design
issue, for external clock frequencies below 19.2MHz, the maximum guaranteed I2C frequency is limited to 200 kHz.
f
CLK
Clock frequency input
a
6.5 - 1%
a
-
26 + 1%
b
MHz
a.Nominal frequencies are 6.5 to 26MHz with a 1% center frequency tolerance
Symbol
Parameter description
Min.
Typ.
Max.
Unit
Symbol
Parameter description
Min.
Max.
Unit
t
MSCL
MSCL clock frequency
0
400
kHz
t
LOW
Clock pulse width low
1.3
μ
s
t
HIGH
Clock pulse width high
0.6
μ
s
t
SP
Pulse width of spikes which are suppressed
by the input filter
0
50
ns
t
BUF
Bus free time between transmissions
1.3
μ
s
t
HD.STA
Start hold time
0.6
μ
s
t
SU.STA
Start set-up time
0.6
μ
s
t
HD.DAT
Data in hold time
0
0.9
μ
s
t
SU.DAT
Data in set-up time
100
ns
t
R
MSCL/MSDA rise time
20+0.1C
ba
300
ns
t
F
MSCL/MSDA fall time
20+0.1 C
b
300
ns
t
SU.STO
Stop set-up time
0.6
μ
s
Ci/o
Input / Output capacitance (MSDA)
8
pF
Cin
Input capacitance (MSCL)
6
pF
a.Cb = total capacitance on the lines
MSDA
MSCL
t
HD.STA
t
R
t
HIGH
t
F
t
SU.DAT
t
HD.DAT
t
SU.STA
t
SU.STO
...
...
t
HD.STA
t
LOW
t
BUF
stop
start
stop
start
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