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Switching apparatus and method for increasing the total number of addressable electronic devices beyond limits imposed by device address sizes

机译:用于将可寻址电子设备的总数增加到超出设备地址大小所施加的限制的交换装置和方法

摘要

A switching apparatus provides an address extension for an environment, such as I2C, that uses devices with a limited address configurability. The switching apparatus provides connection between a main bus and one or more secondary busses to which additional devices are connected. The switching apparatus detects an address on the main bus, and determines whether it is intended for a device on a secondary bus. If so, it connects the main bus to the proper secondary bus where the device in question is located. It then translates the address to an address within the limited configurability of the devices, and places the translated address on the secondary bus where the addressed device is located.
机译:交换设备为诸如I 2 C之类的环境提供了地址扩展,该环境使用具有有限地址可配置性的设备。交换设备提供主总线和一个或多个辅助设备之间连接的辅助总线之间的连接。交换设备检测主总线上的地址,并确定该地址是否用于辅助总线上的设备。如果是这样,它将主总线连接到相关设备所在的适当辅助总线。然后,它将地址转换为设备的有限可配置性内的地址,并将转换后的地址放置在寻址设备所在的辅助总线上。

著录项

  • 公开/公告号US7016981B2

    专利类型

  • 公开/公告日2006-03-21

    原文格式PDF

  • 申请/专利权人 JOSEPH J. ERVIN;

    申请/专利号US20020238034

  • 发明设计人 JOSEPH J. ERVIN;

    申请日2002-09-09

  • 分类号G06F3/00;

  • 国家 US

  • 入库时间 2022-08-21 21:42:18

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