Serial data decoder

Details Serial data decoder Serial data decoder

1992-08-05

1995-04-04

Logan, Sharon D.

Coded data generation or conversion

Digital code to digital code converters

To or from interleaved format

341 67, 341106, H03M 740, H03M 1322

Patent

active

054041392

ABSTRACT:
A serial data decoder is described for decoding interleaved variable length and fixed length codes. The decoder includes a state machine which moves between a branching hierarchy of states in dependence upon the bits of received serial data. When the state machine reaches a state corresponding to a complete variable length code having been received, it then enters a delay state lasting for the length of time necessary to receive the following fixed length code prior to return to a reset state. The state machine can be implemented using a static ram 10 storing data including pointers for controlling the movements between states.

REFERENCES:
patent: 4394642 (1983-07-01), Currie et al.
patent: 5220325 (1993-06-01), Ackland et al.
patent: 5243342 (1993-09-01), Kattemalalavadi et al.

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