Decentralized generation of clock control signals

Details Decentralized generation of clock control signals Decentralized generation of clock control signals

G - Physics

06

F

354/230.7

G06F 1/04 (2006.01) G06F 1/10 (2006.01)

Patent

CA 1139000

DECENTRALIZED GENERATION OF SYNCHRONIZED CLOCK CONTROL SIGNALS Abstract of the Disclosure In a microprogrammed processor consisting of several circuitized chips, which are to be synchron- ously operated, each chip is provided with its own local clock generator or T-ring for deriving there- from timing signals required during the subphases of micro instruction execution. A master clock connected to all of the T-rings by lines of equal length forces the individual T-rings to operate synchronously and keeps them operating in such a manner. In addition, reset circuit means is provided for forcing all of the T-rings to their first timing interval for ini- tial synchronization thereof or, at an appropriate time, when a micro instruction requiring less than the maximum number of available T-ring timing signals is executed. The timing signals which are locally produced are subject to little delay on their way to the various local switching points. Thus, the entire system can be operated at a higher oscillator or master clock frequency to take advantage of the enhanced processing and transfer speeds of modern, highly integrated circuit chips.

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