Virtual digital interface chip card

The utility model provides a virtual digital interface chip card, a serial communication port, including central processing unit, level shifting circuit, a n digital quantity IO interface, a m control interface, expansion interface, communication circuit, instruction lamp driving circuit, working st...

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Bibliographic Details
Main Authors PAN SHUAI, YANG ZHENNING, GU YUE, ZHU YOUCHAN
Format Patent
LanguageChinese
English
Published 17.05.2017
Subjects
CALCULATING
COMPUTING
COUNTING
ELECTRIC DIGITAL DATA PROCESSING
HANDLING RECORD CARRIERS
PHYSICS
PRESENTATION OF DATA
RECOGNITION OF DATA
RECORD CARRIERS
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Summary:The utility model provides a virtual digital interface chip card, a serial communication port, including central processing unit, level shifting circuit, a n digital quantity IO interface, a m control interface, expansion interface, communication circuit, instruction lamp driving circuit, working status indicator, serial peripheral equipment interface bus and memory circuit, the utility model provides a virtual digital interface chip card has following advantage: virtual digital interface chip card has the advantage that the expansibility is good, can a plurality of virtual digital interface chip card of nimble tandem compound to extension virtual digital interface chip card's number of interfaces satisfies different experiment demands, owing to need not purchase multiple chip, thus reduced the teaching cost. Still has the advantage that the safety in utilization is high. 本实用新型提供种虚拟数字接口芯片卡，其特征在于，包括中央处理器、电平转换电路、n个数字量I/O接口、m个控制接口、扩展接口、通讯电路、指示灯驱动电路、工作状态指示灯、串行外围设备接口总线和存储电路；本实用新型提供的虚拟数字接口芯片卡具有以下优点：虚拟数字接口芯片卡具有扩展性好的
Bibliography:Application Number: CN201621091985U