Method and system for reduced metastability between devices whic

Details Method and system for reduced metastability between devices whic Method and system for reduced metastability between devices whic

1992-10-16

1999-02-02

Barry, Lance Leonard

G06F 104

Patent

active

058676953

ABSTRACT:
A method and system are provided for improved communication between devices. A first device having an associated first clock rate may communicate with a second device having an associated second clock rate. Particular periods of time are determined during which metastability may occur as a result of differences between the first clock rate and the second clock rate. Data transmitted from the first device to the second device is continually processed. During those particular periods of time when metastability may occur, the processed data is input into the second device. During all other periods of time, the data is input directly into the second device.

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"Asynchronous Digital Filter Interface Design," by R.E. Vogelsby, IBM Technical Disclosure Bulletin, vol. 31, No. 12, May, 1989, pp. 112 & 113.

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