CRC checking using a CRC generator in a multi-port design

Details CRC checking using a CRC generator in a multi-port design CRC checking using a CRC generator in a multi-port design

1996-03-28

1998-09-01

Chung, Phung M.

Excavating

371 48, 371 201, 371 377, 371 3701, G06F 1110, H03M 1300

Patent

active

058020802

ABSTRACT:
A module for connection to a computer network has a plurality of ports for exchanging data with the network. First and second buffers store data received through separate ones of the ports, the first buffer also stores data to be transmitted through all of the ports. An error (CRC) checker is responsive to a CRC code associated with data received by one of the ports to verify the integrity of the associated data. A CRC generator generates a CRC code for data to be transmitted through one of the ports. A gate is connected between the CRC generator and the buffers to transfer to-be-transmitted data stored in the first buffer to the CRC generator and to transfer received data stored in the second buffer to the CRC generator. A comparator is connected to the CRC generator and to the second buffer and is responsive to the CRC code generated by the CRC generator and the CRC code stored in the second buffer to verify the integrity of received data stored in the second buffer.

REFERENCES:
patent: 4486739 (1984-12-01), Franaszek et al.
patent: 5459850 (1995-10-01), Clay et al.
patent: 5517508 (1996-05-01), Scott

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