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| 型號(hào)： | AD9923ABBCZ |
| 廠商： | Analog Devices Inc |
| 文件頁數(shù)： | 44/84頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC PROCESSOR CCD 12BIT 105CSPBGA |
| 標(biāo)準(zhǔn)包裝： | 1 |
| 類型： | CCD 信號(hào)處理器，12 位 |
| 輸入類型： | 邏輯 |
| 輸出類型： | 邏輯 |
| 接口： | 3 線串口 |
| 電流 - 電源： | 20mA |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 105-LFBGA，CSPBGA |
| 供應(yīng)商設(shè)備封裝： | 105-CSPBGA（8x8） |
| 包裝： | 托盤 |
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AD9923A
Rev. A | Page 49 of 84
Table 40 shows the register parameters for controlling the
SHUT signals. There are three different ways to use the SHUT
signals: automatic trigger, single trigger, and manual control.
Automatic Trigger
Generally, SHUT signals are triggered together with an expo-
sure or readout operation, using the TRIGGER register. The
SHUT_ON and SHUT_OFF positions are fully programmable
to anywhere within the exposure period, using the field
(SHUT_ON_FD/SHUT_OFF_FD), line
(SHUT_ON_LN/SHUT_OFF_LN), and pixel
(SHUT_ON_PX/SHUT_OFF_PX) registers.
The field registers define the field in which the line and pixel
values are used, with respect to the value of the exposure counter.
The on and off positions can occur as soon as the field contains
the last SUBCK (Exposure Field 0), or as late as the final exposure
field before the readout begins. Separate field registers allow the
on and off positions to occur in different exposure fields.
Single Trigger
SHUT signals can be triggered without triggering an exposure
or readout operation. In this case, SHUT signals are triggered
using the TRIGGER register, but the exposure bit is not triggered.
Both the SHUT on and off positions occur in the next field, and
the SHUT_ON_FD/SHUT_OFF_FD register values are ignored.
Single trigger operation is useful if a pulse is required immedi-
ately in the next field without the occurrence of an exposure or
readout operation. Also, single trigger operation is useful when
the exposure or readout operation is manually generated without
using the TRIGGER register, and the SUBCK and VSG masking
are manually controlled.
Note that single trigger operation cannot occur if an exposure
operation has been triggered. SHUT signals behave in automatic
trigger mode if they, and an exposure operation, have been
triggered.
Manual Control
Any SHUT signal can be controlled in manual control mode,
instead of using the TRIGGER register to activate it. In this
mode, the individual on and off lines and pixel positions are
used separately, depending on the status of the manual signal
control register. Note that only a single toggle position, either
off or on, can be used in a VD interval.
As with single trigger operation, when manual control is
enabled, the SHUT_ON_FD/SHUT_OFF_FD register values
are ignored.
Because there is a separate bit to enable manual control on
SHUT signals, this operation can be used regardless of the
status of a triggered exposure operation.
Note that manual control can be used in conjunction with
automatic or single trigger operations. If a SHUT signal is turned
on using manual control, and then manual control is disabled,
the SHUT signal remains on. If a subsequent trigger operation
occurs, the on position toggle is ignored, because the signal is
already on. In this case, only the off position can be triggered.
Note that the trigger mechanism for the SHUT signals on the
AD9923A is different from the AD9923. On the AD9923, the
trigger signals are updated on the UPDATE line (Register 0x18)
in the field in which the TRIGGER register (Register 0x61) is
written to. If the trigger bit for a SHUT signal is deactivated in a
given field, this would cause any toggle positions for that SHUT
signal that occur after the UPDATE line to be ignored. In the
AD9923A, the internal trigger signals remain active for the
entire line following a write to the trigger register. In this case,
any toggle locations that are programmed after the UPDATE
line is processed.
VD
SUBCK
VSUB OPERATION:
1ACTIVE POLARITY IS DEFINED BY VSUBPOL (ABOVE EXAMPLE IS VSUB ACTIVE HIGH).
2ON POSITION IS PROGRAMMABLE, MODE 0 TURNS ON AT THE START OF EXPOSURE, MODE 1 TURNS ON AT THE START OF READOUT.
3OFF POSITION OCCURS AT END OF READOUT.
4OPTIONAL VSUB KEEP-ON MODE LEAVES THE VSUB ACTIVE AT THE END OF THE READOUT.
VSG1
VSUB
3
1
2
4
MODE 0
MODE 1
TRIGGER
VSUB
tEXP
READOUT
05
58
6-
06
6
Figure 67. VSUB0, VSUB1 Signal Programmability
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參數(shù)描述 |
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| AD9923ABBCZRL | 功能描述:IC PROCESSOR CCD 12BIT 105CSPBGA RoHS:是 類別:集成電路 (IC) >> 接口 - 傳感器和探測器接口 系列:- 其它有關(guān)文件:Automotive Product Guide 產(chǎn)品培訓(xùn)模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標(biāo)準(zhǔn)包裝:74 系列:- 類型:觸控式傳感器 輸入類型:數(shù)字 輸出類型:數(shù)字 接口:JTAG，串行 電流 - 電源:100µA 安裝類型:表面貼裝 封裝/外殼:20-TSSOP（0.173"，4.40mm 寬） 供應(yīng)商設(shè)備封裝:20-TSSOP 包裝:管件 |
| AD9923BBCZ | 制造商:Rochester Electronics LLC 功能描述:- Bulk 制造商:Analog Devices 功能描述: |
| AD9923BBCZRL | 制造商:Rochester Electronics LLC 功能描述: 制造商:Analog Devices 功能描述: |
| AD9924BBCZ | 制造商:Analog Devices 功能描述: |
| AD9924BBCZRL | 制造商:Rochester Electronics LLC 功能描述:- Bulk |
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