AD9992_07 AD [Analog Devices], AD9992_07 Datasheet - Page 59
AD9992_07
Manufacturer Part Number
AD9992_07
Description
12-Bit CCD Signal Processor with Precision Timing Generator
Manufacturer
AD [Analog Devices]
Datasheet
1.AD9992_07.pdf
(92 pages)
- Current page: 59 of 92
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XV1 TO XV24
SYNC
H1 TO H4, RG,
SCP
DESIGNATOR
XV1 TO XV24
VSG, SUBCK
VD
HD
SYNC
FIELD
NOTES
1. THE SYNC RISING EDGE RESETS VD/HD AND COUNTERS TO 0.
2. SYNC POLARITY IS PROGRAMMABLE USING SYNCPOL REGISTER (ADDR 0x13).
3. DURING SYNC LOW, ALL INTERNAL COUNTERS ARE RESET AND VD/HD CAN BE SUSPENDED USING THE SYNCSUSPEND REGISTER (ADDR 0x13).
4. THE SYNC RISING EDGE CAUSES THE INTERNAL FIELD DESIGNATOR TO INCREMENT.
5. IF SYNCSUSPEND = 1, VERTICAL CLOCKS, H1 TO H4, AND RG ARE HELD AT THE SAME POLARITY SPECIFIED BY OUTCONTROL = LOW.
6. IF SYNCSUSPEND = 0, ALL CLOCK OUTPUTS CONTINUE TO OPERATE NORMALLY UNTIL SYNC RESET EDGE.
HD
VD
1
2
3
4
5
FALLING EDGE RESYNCS THE CIRCUIT TO THE LINE/PIXEL NUMBER 0. VD AND HD INTERNALLY RESYNC.
RISING EDGE RESETS COUNTERS.
VD IS DISABLED DURING SYNC. THE REGISTER IS PROGRAMMABLE.
SCP, HBLK, AND CLPOB ARE HELD AT SEQ0 VALUE.
XV1 TO XV24 SIGNALS ARE HELD AT THE V-OUTPUT START POLARITY.
7
Figure 67. Enhanced SYNC Mode 2 with Vertical Signals Held at VTP Start Value
1
3
4
5
Figure 66. Default Mode 1
Rev. C | Page 59 of 92
VDLEN
3
SUSPEND
2
5
AD9992
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