Microprocessor controlled communications controller having a str

Details Microprocessor controlled communications controller having a str Microprocessor controlled communications controller having a str

1980-10-06

1984-07-03

Smith, Jerry

Boots, shoes, and leggings

G06F 304, G06F 506

Patent

active

044583087

ABSTRACT:
A communications controller of a data processing system uses a microprocessor to control communication operations. Apparatus in the controller stretches the microprocessor clock cycle signals for selected operations to allow the microprocessor speed to match the speed of the logic performing the selected operation. The apparatus includes a counter which is freerunning for the stretched cycle and reset on a predetermined cycle for the "no stretch" cycle. A decoder coupled to the counter conditions logic gates to generate the microprocessor clock cycle signals.

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