參數(shù)資料
型號: AD9927BBCZ
廠商: ANALOG DEVICES INC
元件分類: 消費家電
英文描述: 14-Bit CCD Signal Processor with V-Driver and Precision TimingTM Generator
中文描述: SPECIALTY CONSUMER CIRCUIT, BGA128
封裝: 9 X 9 MM, LEAD FREE, MO-225, CSP_BGA-128
文件頁數(shù): 67/100頁
文件大小: 784K
代理商: AD9927BBCZ
AD9927
Rev. 0 | Page 67 of 100
VD
HD
SUSPEND
SYNC
7
3
5
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 SYSCSUSPEND = 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.
Figure 79. Default Mode 1
FIELD
DESIGNATOR
H1 TO H4, RG,
XV1 TO XV24
VSG, SUBCK
0
5
1
2
3
4
1
FALLING EDGE RESYNCS THE CIRCUIT TO THE LINE/PIXEL NUMBER 0. VD AND HD INTERNALLY RESYNC.
2
RISING EDGE RESETS COUNTERS.
3
VD IS DISABLED DURING SYNC. THE REGISTER IS PROGRAMMABLE.
4
SCP, HBLK, AND CLPOB ARE HELD AT SEQ0 VALUE.
5
XV1 TO XV24 SIGNALS ARE HELD AT THE V-OUTPUT START POLARITY.
SYNC
VD
VDLEN
HD
SCP
XV1 TO XV24
0
Figure 80. Enhanced SYNC Mode 2 with Vertical Signals Held at VTP Start Value
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