Deterministic exchange of data between synchronised systems sepa

Details Deterministic exchange of data between synchronised systems sepa Deterministic exchange of data between synchronised systems sepa

1996-07-01

1999-10-26

Pham, Chi H.

Pulse or digital communications

Synchronizers

Network synchronizing more than two stations

375354, H04L 700

Patent

active

059741031

ABSTRACT:
A method and apparatus provides data transmission between synchronous systems. One system has a phase locked loop to provide its local clock. The other system has a fixed clock. Fully synchronous bidirectional communication is achieved by adjusting the lengths of the delays between the systems, possibly by adjusting the cable lengths. Deterministic lockstep operation between systems separated by a significant distance is permitted where the communication delays are large compared to a single clock cycle of the systems. Practical tolerances on cable length and signal noise and jitter can be accommodated.

REFERENCES:
patent: 5249206 (1993-09-01), Appelbaum et al.
patent: 5450394 (1995-09-01), Gruber et al.
patent: 5450572 (1995-09-01), Ruedinger et al.

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