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參數資料
| 型號： | AD9949KCPZRL |
| 廠商： | ANALOG DEVICES INC |
| 元件分類： | 消費家電 |
| 英文描述： | 12-Bit CCD Signal Processor with Precision Timing Core |
| 中文描述： | SPECIALTY CONSUMER CIRCUIT, QCC40 |
| 封裝： | 6 X 6 MM, LEAD FREE, MO-220-VJJD-2, LFCSP-40 |
| 文件頁數： | 21/36頁 |
| 文件大小： | 707K |
| 代理商： | AD9949KCPZRL |
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AD9949
HORIZONTAL CLAMPING AND BLANKING
Rev. B | Page 21 of 36
The AD9949’s horizontal clamping and blanking pulses are fully
programmable to suit a variety of applications. Individual
sequences are defined for each signal, which are then organized
into multiple regions during image readout. This allows the
dark pixel clamping and blanking patterns to be changed at
each stage of the readout to accommodate different image
transfer timing and high speed line shifts.
INDIVIDUAL CLPOB AND PBLK SEQUENCES
The AFE horizontal timing consists of CLPOB and PBLK, as
shown in Figure 21. These two signals are independently
programmed using the parameters shown in Table 18. The start
polarity, first toggle position, and second toggle position are
fully programmable for each signal. The CLPOB and PBLK
signals are active low and should be programmed accordingly.
Up to four individual sequences can be created for each signal.
INDIVIDUAL HBLK SEQUENCES
The HBLK programmable timing shown in Figure 22 is similar
to CLPOB and PBLK. However, there is no start polarity
control.
Only the toggle positions are used to designate the
start and the stop positions of the blanking period. Additionally,
there is a polarity control, HBLKMASK, which designates the
polarity of the horizontal clock signals H1 to H4 during the
blanking period. Setting HBLKMASK high sets H1 = H3 = low
and H2 = H4 = high during the blanking,
as shown in Figure 23.
Up to four individual sequences are available for HBLK.
3
2
1
HD
CLPOB
PBLK
PROGRAMMABLE SETTINGS:
1. START POLARITY (CLAMP AND BLANK REGION ARE ACTIVE LOW).
2. FIRST TOGGLE POSITION.
3. SECOND TOGGLE POSITION.
ACTIVE
ACTIVE
0
...
...
Figure 21. Clamp and Preblank Pulse Placement
2
1
HD
HBLK
PROGRAMMABLE SETTINGS:
1. FIRST TOGGLE POSITION = START OF BLANKING.
2. SECOND TOGGLE POSITION = END OF BLANKING.
BLANK
BLANK
0
...
...
Figure 22. Horizontal Blanking (HBLK) Pulse Placement
Table 18. CLPOB and PBLK Individual Sequence Parameters
Parameter
Length
Polarity
1b
Toggle Position 1
12b
Toggle Position 2
12b
Table 19. HBLK Individual Sequence Parameters
Parameter
Length
HBLKMASK
1b
Toggle Position 1
12b
Toggle Position 2
12b
Toggle Position 3
12b
Toggle Position 4
12b
Toggle Position 5
12b
Toggle Position 6
12b
Range
High/Low
0 to 4095 Pixel Location
0 to 4095 Pixel Location
Description
Starting Polarity of Clamp and PBLK Pulses for Sequences 0 to 3
.
First Toggle Position within the Line for Sequences 0 to 3
.
Second Toggle Position within the Line for Sequences 0 to 3
.
Range
High/Low
0 to 4095 Pixel Location
0 to 4095 Pixel Location
0 to 4095 Pixel Location
0 to 4095 Pixel Location
0 to 4095 Pixel Location
0 to 4095 Pixel Location
Description
Masking Polarity for H1 for Sequences 0 to 3 (0 = H1 Low, 1 = H1 High).
First Toggle Position within the Line for Sequences 0 to 3.
Second Toggle Position within the Line for Sequences 0 to 3.
Third Toggle Position within the Line for Sequences 0 to 3.
Fourth Toggle Position within the Line for Sequences 0 to 3.
Fifth Toggle Position within the Line for Sequences 0 to 3.
Sixth Toggle Position within the Line for Sequences 0 to 3.
相關PDF資料 |
PDF描述 |
|---|---|
| AD9949KCPRL | 12-Bit CCD Signal Processor with Precision Timing Core |
| AD9949KCPZ | 12-Bit CCD Signal Processor with Precision Timing Core |
| AD9949AKCPZ | Circular Connector; No. of Contacts:61; Series:MS27474; Body Material:Aluminum; Connecting Termination:Crimp; Connector Shell Size:24; Circular Contact Gender:Socket; Circular Shell Style:Jam Nut Receptacle; Insert Arrangement:24-61 RoHS Compliant: No |
| AD9949AKCPZRL | Circular Connector; No. of Contacts:61; Series:MS27474; Body Material:Aluminum; Connecting Termination:Crimp; Connector Shell Size:24; Circular Contact Gender:Socket; Circular Shell Style:Jam Nut Receptacle; Insert Arrangement:24-61 RoHS Compliant: No |
| AD9951YSV-REEL7 | Hook-Up Wire; Conductor Size AWG:18; No. Strands x Strand Size:16 x 30; Jacket Color:Blue; Approval Bodies:UL, CSA; Approval Categories:UL AWM Style 1061, CSA Type AWM; Conductor Material:Copper RoHS Compliant: Yes |
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