Patent
1996-10-16
1999-03-16
Ramirez, Ellis B.
G06F 1700
Patent
active
058840443
ABSTRACT:
A cell of an integrated circuit dedicated to a microprocessor, the cell comprising a data input/output circuit connected to a communications network working according to at least two different protocols called the DDC1 and I2C protocols and a control circuit provided with a sequencer, the control circuit being managed by the sequencer, the control circuit communicating with a control bus of the microprocessor and with the data input/output circuit; wherein the cell comprises a logic circuit which enforces the state of the sequencer as a function of an information element which identifies which of said protocols is being used.
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EDN-Electrical Design News, vol. 38, No. 16, Aug. 5, 1993, Newton, MA. US, pp. 119-122, R.Weiss "8-bit uPD 780xxx Combines uC with 12C bus".
Nec Res. & Develop., vol. 32, No. 3, Jul. 1991, pp. 350-360. Tetsuro Kanai, et al. "A 16-bit Microcomputer uPD70423 for Serial Communication".
Francis Maquin
Marsanne Sebastien
Ramirez Ellis B.
SGS-Thomson Microelectronics S.A.
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