BENDIX BENDIX 7129 Manuel d'utilisateur Page 4

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ADV7129
–4–
REV. 0
A
N
...
H
N
A
N+1
...
H
N+1
A
N+2
...
H
N+2
DIGITAL INPUT TO ANALOG
OUTPUT PIPELINE
A
N+2
... H
N+2
A
N+1
... H
N+1
A
N
... H
N
A
N–1
... H
N–1
LOADOUT
LOADIN
PIXEL
INPUT
DATA
ANALOG
OUTPUT
DATA
t
2
t
3
t
4
t
1
t
PD
Figure 2. LOADIN vs. Pixel Input Data
R/W, C0, C1
CE
t
7
VALID
CONTROL DATA
t
13
t
16
D7–D0
(READ MODE)
D7–D0
(WRITE MODE)
R/W = 0
R/W = 1
t
8
t
9
t
12
t
11
t
10
t
14
t
15
Figure 3. Microprocessor Port (MPU) Interface Timing
PCLK
t
17
ANALOG
OUTPUTS
IOR
IOG
IOB
SYNCOUT
t
18
10 %
50 %
90 %
NOTE:
THIS DIAGRAM IS NOT TO SCALE.
FOR THE PURPOSES OF CLARITY, THE ANALOG OUTPUT WAVEFORM IS MAGNIFIED IN TIME AND AMPLITUDE W.R.T THE CLOCK WAVEFORM.
t
17
IS THE ONLY RELEVENT TIMING SPECIFICATION FOR SYNCOUT.
SYNCOUT IS A DIGITAL VIDEO OUTPUT SIGNAL.
FULL-SCALE
TRANSITION
WHITE LEVEL
BLACK LEVEL
t
19
Figure 4. Analog Output Response vs. LOADIN
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