Semiconductor integrated circuit and transmitter apparatus...

Details Semiconductor integrated circuit and transmitter apparatus... Semiconductor integrated circuit and transmitter apparatus...

2011-08-23

2011-08-23

JeanPierre, Peguy (Department: 2819)

Coded data generation or conversion

Digital code to digital code converters

Parallel to serial

C341S050000

Reexamination Certificate

active

08004433

ABSTRACT:
A semiconductor integrated circuit (10D) for receiving a parallel data signal and a first clock signal and outputting a serial data signal and a second clock signal, wherein a first clock generation circuit (15) produces a third clock signal obtained by multiplying the first clock signal by X/Y. A second clock generation circuit (11) has a variable transmission characteristic, and produces a fourth clock signal obtained by multiplying the third clock signal by N. A parallel/serial conversion section (12) converts the parallel data signal, which has been converted by a scaler (16), to the serial data signal in synchronism with the fourth clock signal. A frequency divider (13) produces a fifth clock signal obtained by dividing a frequency of the fourth clock signal by N. A selector (14) selectively outputs, as the second clock signal, one of the third and fifth clock signals.

REFERENCES:
patent: 5974464 (1999-10-01), Shin et al.
patent: 2005/0027993 (2005-02-01), Yanagisawa
patent: 2007/0296617 (2007-12-01), Murata et al.
patent: 2002-314970 (2002-10-01), None
patent: 2003-102034 (2003-04-01), None
patent: 2005-051558 (2005-02-01), None

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