Device and method for parallel processing implementation of...

Details Device and method for parallel processing implementation of... Device and method for parallel processing implementation of...

2001-03-01

2004-03-16

Jeanglaude, Jean Bruner (Department: 2819)

Coded data generation or conversion

Digital code to digital code converters

C341S051000

Reexamination Certificate

active

06707396

ABSTRACT:

FIELD OF THE INVENTION
This invention relates to data manipulation in data processing systems utilizing Universal Serial Bus (USB) devices and, more particularly, to bit-stuffing/unstuffing and NRZI-encoding/decoding in USB devices.
BACKGROUND OF THE INVENTION
In transmitting and receiving data in within data processing systems, it is sometimes necessary to manipulate the data. Operations such as bit-stuffing/unstuffing and NRZI-encoding/decoding may be performed on data at various points in a data processing system. It is desirable that all the system components operate at a high clock rate. However, different components of the data processing system often operate at different clock rates. In components designed for operation at lower clock rates, implementing bit-stuffing/unstuffing and NRZI encoding/decoding at the higher clock rate may be very difficult.


REFERENCES:
patent: 5280502 (1994-01-01), Niegel et al.
patent: 0 480 566 (1991-01-01), None

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