Asynchronous timing generator

Details Asynchronous timing generator Asynchronous timing generator

1996-06-11

1999-03-30

Olms, Douglas W.

Multiplex communications

Communication techniques for information carried in plural...

Combining or distributing information via time channels

370301, 375356, 375357, H04J 312

Patent

active

058897810

ABSTRACT:
The asynchronous timing generator is comprised of a clock signal generator that generates a master clock signal. The master clock signal is used by a master clock counter to generate a bit clock. The master clock counter divides the master clock signal's frequency down to a lower frequency. Control signal information is extracted from the data stream's slot-framing to control the use of a predefined count value to a variable counter. The variable counter uses this lower frequency clock signal to generate the sub-bit count clock signal and slot bit numbers. These signals are generated in response to the control signals, coupled to the timer, indicating the different fields of the slot used to resynchronize data recovery in the received stream. In a preferred embodiment, the asynchronous timing generator is used in a communications transceiver device to permit resynchronization of received communications data.

REFERENCES:
patent: 4053715 (1977-10-01), Drapkin
patent: 4353128 (1982-10-01), Cummiskey
patent: 4748617 (1988-05-01), Drewlo
patent: 5172396 (1992-12-01), Rose, Jr. et al.
patent: 5581748 (1996-12-01), Anderson

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