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參數資料
| 型號： | AD9923ABBCZRL |
| 廠商： | ANALOG DEVICES INC |
| 元件分類： | 消費家電 |
| 英文描述： | CCD Signal Processor with V-Driver and Precision Timing⑩ Generator |
| 中文描述： | SPECIALTY CONSUMER CIRCUIT, PBGA105 |
| 封裝： | 8 X 8 MM, 0.65 MM PITCH, ROHS COMPLIANT, MO-225, CSPBGA-105 |
| 文件頁數： | 29/88頁 |
| 文件大小： | 852K |
| 代理商： | AD9923ABBCZRL |
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AD9923A
Group A/Group B Selection
The AD9923A has the flexibility to use two V-pattern groups in
a vertical sequence. In general, all vertical outputs use the same
V-pattern group during a sequence, but some outputs can be
assigned to a different V-pattern group. This is useful during
certain CCD readout modes.
Rev. 0 | Page 29 of 88
The GROUPSEL register is used to select Group A or Group B
for each XV output (the LSB is XV1, the MSB is XV13). Setting
each bit to 0 selects Group A; setting each bit to 1 selects Group B.
If only a single V-pattern group is needed for the vertical
outputs, Group A is used by default (GROUPSEL = 0), and the
outputs use the V-pattern group specified by the VPATSELA
register.
If Group B flexibility is needed, the outputs set to 1 in the
GROUPSEL register use the V-pattern group selected by the
VPATSELB register. For example, Figure 38 shows outputs
XV12 and XV13 using a separate V-Pattern Group B to perform
special CCD timing.
Another application of the Group A and Group B registers is to
combine two VPAT groups for more complex patterns. This is
achieved by setting the TWO_GROUP register to 1. Figure 39
shows an example of this timing. When TWO_GROUP = 1,
the Group A and Group B toggle positions are both used. In
addition, length, starting polarity, and number of repetitions
are all determined by the appropriate registers for Group A
when TWO_GROUP = 1. Figure 40 shows the more complex
operation of combining Group A and Group B with repetition.
XV1
XV11
HD
XV12
OPTIONAL HOLD AREA
FOR GROUP A
XV13
XV1 TO XV11 USE
V-PATTERN GROUP A
XV12, XV13 USE
V-PATTERN GROUP B
0
Figure 38. Using Separate Group A and Group B Patterns
XV1
XV13
HD
V-PATTERN GROUP A V-PATTERN GROUP B
0
Figure 39. Combining Group A and Group B Patterns
XV1
XV13
HD
V-PATTERN GROUP A
V-PATTERN GROUP B
GROUP A REP 1
GROUP A REP 2
GROUP A REP 3
0
Figure 40. Combining Group A and Group B Patterns, with Repetition
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| 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: |
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