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    • 9. 发明专利
    • Logic analyzer
    • 逻辑分析仪
    • JPS58213257A
    • 1983-12-12
    • JP8789783
    • 1983-05-19
    • Sony Tektronix Corp
    • YOKOGAWA HIDEMIMANOME TERUOMIKI YASUHIKOTOMIOKA MACHIKOFUKUZAWA MIYUKI
    • G01R13/28G01R31/28G01R31/3183G06F11/25
    • G06F11/25
    • PURPOSE:To generate efficiently a pattern data corresponding to an inputted logic signal, by storing an input logic signal in a storage means, and outputting the stored contents of the storage means through a buffer means. CONSTITUTION:A logic signal from probes 10A-10D is supplied to a comparator 12. The comparator converts a level of an input logic signal to a logic level being suitable for each block, and supplies it to a data storing circuit 14 constituted of a high speed RAM, etc. and a trigger circuit 16. The circuits 14, 16 are connected to a bus 20. An RAM28 operates as a temporary storing circuit of a CPU24, also is a storing circuit containing an RAM area, too, and is connected to the bus 20. A clock pulse generator 36 supplies a clock pulse of frequency corresponding to an instruction signal from the bus 20 to the circuits 14, 16. In this way, a pattern data corresponding to an inputted logic signal is outputted efficiently from a buffer means 62 connected to the bus 20.
    • 目的:通过将输入逻辑信号存储在存储装置中,有效地生成对应于输入的逻辑信号的图形数据,并通过缓冲装置输出存储装置的存储内容。 构成:来自探针10A-10D的逻辑信号被提供给比较器12.比较器将输入逻辑信号的电平转换为适合每个块的逻辑电平,并将其提供给由高电平构成的数据存储电路14 高速RAM等和触发电路16.电路14,16连接到总线20.RAM28作为CPU24的临时存储电路工作,也是包含RAM区域的存储电路,并且被连接 时钟脉冲发生器36将对应于来自总线20的指令信号的频率的时钟脉冲提供给电路14,16。以这种方式,对应于输入的逻辑信号的模式数据从 连接到总线20的缓冲装置62。