參數(shù)資料
型號(hào)： AD9898KCP-20
廠商： ANALOG DEVICES INC
元件分類： 消費(fèi)家電
英文描述： CCD Signal Processor with Precision Timing⑩ Generator
中文描述： SPECIALTY CONSUMER CIRCUIT, QCC48
封裝： MO-220-VKKD-2, LFCSP-48
文件頁(yè)數(shù)： 29/52頁(yè)
文件大?。?/td> 557K
代理商： AD9898KCP-20
REV. 0
AD9898
–29–
VGATE MASKING OF V1–V4 AND CLPOB OUTPUTS
During slave mode operation, the SYNC/VGATE, Pin 45, is
configured as an input for an external VGATE signal. While
operating in this mode, the external VGATE signal can be used
to mask the V1–V4 and CLPOB outputs. There are two options
available for masking the V1–V4 and CLPOB outputs. The
selection is made by setting the MSHUT/VGATE_EN register
located at Control Addr 0x01. Examples of these two options
are shown in Figures 26 and 27.
Figure 26 shows an example of MSHUT/VGATE_EN = 0. In
this example, the VGATE signal is internally latched on the
falling edge of HD, resulting in the V1–V4 and CLPOB outputs
being masked when the internally latched VGATE signal is High.
Figure 27 shows an example when MSHUT/VGATE_EN = 1.
In this example, the preprogrammed MSHUT signal blocks the
VGATE input from masking V1–V4 and CLPOB outputs while
MSHUT is Low. The internally latched VGATE signal will
only mask V1–V4 and CLPOB when MSHUT is High while
operating in this mode.
V1–V4 AND CLPOB MASKED
VD
HD
VGATE
(PIN 45)
VGATE
(INTERNAL)
V1–V4
CLPOB
V1–V4 AND CLPOB MASKED
Figure 26. Example of VGATE Input Masking V1–V4 and CLPOB Outputs with MSHUT/VGATE_EN = 0
V1–V4 AND CLPOB MASKED
VD
HD
VGATE
(PIN 45)
VGATE
(INTERNAL)
V1–V4
CLPOB
MSHUT
Figure 27. Example of VGATE Input Masking V1–V4 and CLPOB Outputs with MSHUT/VGATE_EN = 1
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