Excavating
Patent
1995-09-19
1997-03-18
Canney, Vincent P.
Excavating
360 51, G06F 1100
Patent
active
056129661
ABSTRACT:
An automatic data transmission rate detection circuit comprising a data detector for detecting input data in response to an external reference clock pulse, a counting circuit for up-counting the reference clock pulse, the counting circuit clearing its count upon inputting an output signal from the data detector at its clear terminal during its counting operation, a data storage unit for storing an output value from the counting circuit upon inputting the output signal from the data detector at its load enable terminal, an individual detection circuit including a plurality of individual detectors, each of the plurality of individual detectors detecting a transmission rate and an error rate of individual data in response to an output signal from the data storage unit, a density detector for detecting the entire data transmission rate in response to individual data transmission rate detect signals from the plurality of individual detectors in the individual detection circuit, and an error detector for detecting in response to individual data error rate detect signals from the plurality of individual detectors in the individual detection circuit whether an error is present in the entire data transmission rate detected by the density detector.
REFERENCES:
patent: 5446748 (1995-08-01), Hasebe et al.
Canney Vincent P.
LG Semicon Co. Ltd.
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