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High Reliable Data Transfer Method by the Receiver with Two Kinds of Outputs

IP.com Disclosure Number: IPCOM000123477D
Original Publication Date: 1998-Dec-01
Included in the Prior Art Database: 2005-Apr-04
Document File: 2 page(s) / 53K

Publishing Venue

IBM

Related People

Murakami, M: AUTHOR [+3]

Abstract

Disclosed is a receiver which has two kinds of outputs. One is the output going through a noise canceller and the other is the output going not through a noise canceller. The output waveform from the noise canceller is clean even if the input waveform to this receiver is noisy, but there is much delay from the input to the output. On the other hand, the output without the noise canceller is sensitive to the noise, but the delay from the input to the output is small. This disclosure is to make the data transfer high reliable by using these two characteristics.

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High Reliable Data Transfer Method by the Receiver with Two Kinds
of Outputs

    Disclosed is a receiver which has two kinds of
outputs.  One is the output going through a noise canceller and the
other is the output going not through a noise canceller.  The output
waveform from the noise canceller is clean even if the input waveform
to this receiver is noisy, but there is much delay from the input to
the output.  On the other hand, the output without the noise
canceller is sensitive to the noise, but the delay from the input to
the output is small.  This disclosure is to make the data transfer
high reliable by using these two characteristics.

   Generally under a data transfer system a Data Request
Side (1) has a Strobe (3) signal to receive Data (8) as shown in
Figure.  And a Data Output Side (2) which receives the Strobe (3)
outputs Data (8) through a Driver (7).  In this time, the Data Output
Side (2) prepares data by a Data Control Circuit (6) using this
Strobe (3), and also enables a Driver (7) to output data by a Output
Enable Circuit (5) using this Strobe (3).  When a strobe signal
through a Receiver (4) has a noise, data prepared by the Data Control
Circuit (6) shall be incorrect due to the noise sensitiveness of the
Data Control Circuit (6).  Therefore the Data Control Circuit (6)
requires the strobe signal coming through a noise canceller of the
Receiver (4).  But it is not appropriate for the Output Enable
Circuit (5) to use the strobe signal delayed...