Serial to parallel conversion apparatus with means to adjust the

Details Serial to parallel conversion apparatus with means to adjust the Serial to parallel conversion apparatus with means to adjust the

1998-10-15

2000-01-25

Young, Brian

Coded data generation or conversion

Digital code to digital code converters

Serial to parallel

341106, H03M 900

Patent

active

060183055

ABSTRACT:
The invention provides a serial to parallel conversion apparatus which can perform desired serial to parallel conversion processing at a high speed while it has a simple and small-scale circuit configuration. The serial to parallel conversion apparatus includes a first divider for dividing a first clock signal into 2 to produce a second clock signal and adjusting the phase of the second signal in accordance with a first phase adjustment signal, a first serial to parallel converter for converting serial data into parallel data of 2 bits in response to the second clock signal, a pair of shift registers for receiving and storing the different bits of the parallel data and successively shifting the stored bits in response to the second clock signal, a second divider for dividing the second clock signal into 4 to produce a third clock signal, a second detector for producing the first phase adjustment signal and the second phase adjustment signal based on the stored data of the shift registers, and a pair of second serial to parallel converters for receiving the different bits of the parallel data and each producing first parallel data of 4 bits in response to the third clock signal.

REFERENCES:
patent: 5561423 (1996-10-01), Morisaki
patent: 5726990 (1998-03-01), Shimada et al.
patent: 5774079 (1998-06-01), Zirngibl
patent: 5808571 (1998-09-01), Kuwata et al.

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