Integrated circuit for direct memory access

Electrical computers and digital data processing systems: input/ – Input/output data processing – Direct memory accessing

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G06F 1328

Patent

active

061122599

ABSTRACT:
A device that can be integrated into an integrated circuit dedicated to a microprocessor, this circuit comprising a direct memory access circuit and a communications cell, the communications cell comprising a state register and a sequencer that contain first information elements, the direct memory access circuit comprising a control register that contains second information elements, wherein said device comprises action means to enable the communications cell to act directly on bits of the control register in order to make certain of the second information elements identical to certain of the first information elements. Also disclosed is a method designed to eliminate possible conflicts between a direct memory access circuit and a communications cell that are due to information elements of the same nature.

REFERENCES:
patent: 4908772 (1990-03-01), Chi
patent: 4991123 (1991-02-01), Casamassima
patent: 5276836 (1994-01-01), Fukumaru
patent: 5430853 (1995-07-01), Arakawa
patent: 5440747 (1995-08-01), Kiuchi
patent: 5513368 (1996-04-01), Garcia, Jr. et al.
patent: 5598579 (1997-01-01), Welker et al.
patent: 5642489 (1997-06-01), Bland et al.
patent: 5717952 (1998-02-01), Christiansen et al.
French Search Report from French patent application No. 95 12475.
Circuit to Provide Asynchronous Access to a Common Register Set; IBM Tech. Disc. Bulletin, vol. 36, No. 10, Oct. 1993, Armonk, New York, pp. 47-48.
Scalable I/O Architecture for Buses; David V. James; IEEE Computer Soc. Jun. 26, 1989 pp. 539-544 C ompcon Spring '89 Digest of Papers.
A 16-bit Microcomputer .mu.PD70423for Serial Communication; Kanai et al., UDC Nes res. & Develop. vol. 32, No. 3, Jul. 1991, pp. 350-360.
Circuit to Provide Asynchronous Access to a Common Register Set; IBM Tech. Disc. Bulletin, vol. 32, No. 6a, Nov., 1989, Armonk, New York, pp. 47-48.

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