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Master/slave control system and method

  • US 6,467,065 B1
  • Filed: 07/09/1999
  • Issued: 10/15/2002
  • Est. Priority Date: 07/09/1999
  • Status: Expired due to Fees
First Claim
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1. A master/slave control system comprising:

  • a data communication bus for communicating data messages between electronic devices;

    a plurality of slave devices coupled in data communication to said data communication bus, said plurality of slave devices being addressable and capable of reading messages from said data communication bus and writing messages to the data communication bus; and

    a master controller coupled in data communication to said data communication bus for broadcasting command messages on said data communication bus, wherein said command messages include an address message for addressing at least one of said plurality of slave devices and a command direction indicator parity bit for identifying the command message, wherein said addressed slave device produces a reply message which includes a reply direction indicator parity bit for identifying the reply message.

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