Dual microprocessor control system

Details Dual microprocessor control system Dual microprocessor control system

G - Physics

06

F

354/237

G06F 13/12 (2006.01) G06F 15/16 (2006.01) G06F 15/167 (2006.01)

Patent

CA 1301945

ABSTRACT OF THE DISCLOSURE A microprocessor control system for use in an asynchronous data communication system and comprising a receive microprocessor and a transmit microprocessor along with a paged memory for storing channel line tables, Separate receive and transmit channel number registers control access to the paged memory. Control means is provided preferably in the form of a programmable memory for controlling the sequencing of channel numbers whereby one microprocessor is adapted to access channels in an incrementing manner while the other accesses in decrementing manner. When one miroprocessor gains access to a specific line table excludes the other microprocessor from accessing that line table until the first microprocessor suspends off of that line table.

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