参数资料
型号: ADZS-ENCODE-EX3
厂商: Analog Devices Inc
文件页数: 29/58页
文件大小: 0K
描述: BOARD EXTENDER VIDEO ENCODER EI3
标准包装: 1
系列: EZ-Extender®
附件类型: 扩展板
适用于相关产品: EZ 板
WVGA/LCD EI3 Extender Board Hardware Reference
Figure 2-3. Example of Mechanical Switch Equivalent to Figure 2-2
Figure 2-4 shows a bus switch example, reference designator UC (Pericom
PI3LVD512ZHE), selecting between lettered functionality and numbered
functionality. The signals on the left side are multiplexed signals with
naming convention letter_number . The right side of the circuit shows the
signals separated into letter and number, with the number on the lower
group (eg. 0B1 ) and the letter on the upper group (eg. 0B2 ). The default
setting is controlled by the signal CONTROL_LETTER_NUMBER which is pulled
low. This selects the number signals on the right to be connected to the
multiplexed signals on the left by default. In this example, the Microchip
IO expander is not shown but controls the signal CONTROL_LETTER_NUMBER
and allows the user to change the selection through software.
Figure 2-5 shows the equivalent circuit to Figure 2-4 but utilizes mechan-
ical switches. Notice the default for reference designators SWC and SWD is
illustrated by black boxes located closer to the ON label of the switches to
enable the number signals by default. Note the default setting for refer-
ence designators SWE and SWF is OFF . In order to connect the letters instead
of the numbers, the user physically changes all switches on SWC and SWD to
the OFF position and all switches on SWE and SEF to the ON position.
WVGA/LCD EI3 Extender Board Manual
2-5
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相关代理商/技术参数
参数描述
ADZS-ENCODE-EX3 制造商:Analog Devices 功能描述:Video Encoder Extender for EI3
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ADZS-HPUSB-ICE 制造商:Analog Devices 功能描述:EMULATOR USB BASED
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