Data transmission apparatus with loopback topology
    1.
    发明授权
    Data transmission apparatus with loopback topology 失效
    具有环回拓扑的数据传输设备

    公开(公告)号:US4992973A

    公开(公告)日:1991-02-12

    申请号:US217002

    申请日:1988-07-08

    IPC分类号: G06F5/08 G06F13/38 H04L1/24

    CPC分类号: H04L1/24

    摘要: A data transmission apparatus which is connected with a shift register of a plural stages forming a forward path of data transmission line, and a shift register of a plural stages forming a backward path of the same, and a loop-back part therebetween, and comprises bypasses between the shift register on the forward path and on the backward path to bypass the transmitted data when significant data does not exist on the loop-back part side from a stage on which the bypass is comprised and no data stays at a stage where the bypass is comprised, so that data is transmitted at high speed, and which is constructed to be able to control the bypass from external, so that testing of circuitry is easy.

    摘要翻译: 一种数据传输装置,其与形成数据传输线的前向路径的多级的移位寄存器和形成其后向路径的多级的移位寄存器及其间的环回部分连接,并且包括 在来自包括旁路的级的环回部分侧上不存在有效数据时,在前向路径上的移位寄存器和反向路径之间绕过旁路传输数据,并且没有数据停留在 旁路被包括,使得数据以高速传输,并且被构造成能够从外部控制旁路,使得电路测试容易。

    Information processor capable of data transfer among plural digital data
processing units by using an active transmission line having locally
controlled storage of data
    2.
    发明授权
    Information processor capable of data transfer among plural digital data processing units by using an active transmission line having locally controlled storage of data 失效
    能够通过具有本地控制的数据存储的有源传输线在多个数字数据处理单元之间进行数据传送的信息处理器

    公开(公告)号:US4884192A

    公开(公告)日:1989-11-28

    申请号:US134601

    申请日:1987-12-14

    IPC分类号: G06F15/80

    CPC分类号: G06F15/8015 G06F15/8007

    摘要: In an information processor, input interface units (161, 162) are connected to one ring data bus (191) through jointing units (201, 202) and data processing units (181 and 185) are connected to the ring data bus (191) through jointing units (203 through 206) and branching units (221 through 224). Data processing units (183 through 187) are connected to the other ring data bus (192) through jointing units (207 through 210) and branching units (225 through 228) and output interface units (171, 172) are connected to the other ring data bus (192) through branching units (229, 230). The ring data buses (191, 192) propagate the respective in data through the input interface units (161, 162) while storing such data, and processing the data in any of the data processing units to provide outputs to any of the output interface units (171, 172). Thus, since the data is transmitted through the ring data buses ( 191, 192) while being held in the data buses, there is no necessity to provide a memory for temporarily storing the data in each data processing unit. In addition, for a large scale integration of a system, it is easy to integrate each unit in a high density.

    摘要翻译: 在信息处理器中,输入接口单元(161,162)通过连接单元(201,202)连接到一个环形数据总线(191),数据处理单元(181和185)连接到环形数据总线(191) 通过连接单元(203至206)和分支单元(221至224)。 数据处理单元(183至187)通过连接单元(207至210)和分支单元(225至228)连接到另一个环形数据总线(192),并且输出接口单元(171,172)连接到另一个环 数据总线(192)通过分支单元(229,230)。 环形数据总线(191,192)在存储这些数据的同时通过输入接口单元(161,162)传播相应的数据,并且处理数据在任何数据处理单元中以向任何输出接口单元 (171,172)。 因此,由于数据在被保持在数据总线中时通过环形数据总线(191,192)发送,因此不需要在每个数据处理单元中提供临时存储数据的存储器。 另外,对于系统的大规模集成,可以容易地以高密度集成每个单元。

    Data transmission apparatus
    7.
    发明授权
    Data transmission apparatus 失效
    数据传输装置

    公开(公告)号:US4972445A

    公开(公告)日:1990-11-20

    申请号:US432355

    申请日:1989-11-06

    IPC分类号: G06F13/42

    CPC分类号: G06F13/4217

    摘要: A data transmission apparatus for transmitting data between systems includes: an input data transmission path, an output data transmission path, and a branch data transmission path each constituted by a shift register, each data transmission path has a plurality of data storage circuits and a plurality of transfer control circuits each provided corresponding to each o--stage. The data storage circuit control a self stage data storage circuit in accordance with a control signal from the transfer control circuit of an adjacent stage. An initialization circuit for initializing the device is provided so that data on the data transmission path does not remain at the start of operation of the device.

    摘要翻译: 一种用于在系统之间传输数据的数据传输装置包括:输入数据传输路径,输出数据传输路径和分支数据传输路径,每个移位寄存器由移位寄存器构成,每个数据传输路径都有多个数据存储电路和多个数据传输路径 的转移控制电路各自对应于每个o级。 数据存储电路根据来自相邻级的传送控制电路的控制信号来控制自身级数据存储电路。 提供了一种用于初始化设备的初始化电路,使得数据传输路径上的数据不会保留在设备的操作开始。

    Data transmission line branching system
    8.
    发明授权
    Data transmission line branching system 失效
    数据传输线分支系统

    公开(公告)号:US4881196A

    公开(公告)日:1989-11-14

    申请号:US830750

    申请日:1986-02-19

    IPC分类号: H04J3/08 H04L12/00

    CPC分类号: H04L12/00 H04J3/08

    摘要: A data transmission system comprises an input data transmission line (1), an output data transmission line (4), a branching data transmission line (5) and a jointing data transmission line (7) formed respectively by asynchronous free-running shift registers using a plurality of data latches (101 to 106, 401 & 402, 501 & 502, 701 & 702) and, C elements (111 to 116, 411 & 412, 511 & 512, 711 & 712) respectively. A branching control circuit 3 supplies data to be branched to the branching data transmission line (5) in response to the decision by a branching decision circuit (2) as to the fact that the data to be branched is transmitted on the input data transmission line (1). A jointing control circuit (6) supplies data to be joined to the output data transmission line (4) in response to the decision by an empty buffer verifier (8) as to the nonexistence of data in the input data transmission line (1) and the output data transmission line (4) when the data to be jointed is transmitted on the jointing data transmission line (7). Thus, the data transmission system has branching and jointing functions and if it is used as a constituent of a network, data can be transmitted among asynchronous systems.

    摘要翻译: 数据传输系统包括分别由异步自由运行移位寄存器形成的输入数据传输线(1),输出数据传输线(4),分支数据传输线(5)和连接数据传输线(7) 多个数据锁存器(101至106,401和402,501,502,701和702)和C个元件(111至116,411和412,511和512,711和712)。 分支控制电路3响应于分支决定电路(2)的决定,将要分支的数据提供给分支数据传输线(5),关于在输入数据传输线上发送待分支数据的事实 (1)。 接合控制电路(6)响应于空缓冲验证器(8)对输入数据传输线(1)中的数据的不存在以及对输入数据传输线(4)中的数据的不存在的决定,提供要连接到输出数据传输线(4)的数据,以及 当连接数据传输线(7)发送要连接的数据时的输出数据传输线(4)。 因此,数据传输系统具有分支和联合功能,并且如果它被用作网络的组成部分,则可以在异步系统之间传输数据。