Electrical computers and digital data processing systems: input/ – Intrasystem connection – Bus access regulation
Patent
1996-10-11
1999-07-20
Sheikh, Ayaz R.
Electrical computers and digital data processing systems: input/
Intrasystem connection
Bus access regulation
709208, 710107, 710119, G06F 1314
Patent
active
059251182
ABSTRACT:
A communication system and method of communicating including a slave function connected to a master function by a single address bus, a write data bus and a read data bus so as to allow for overlapping multiple cycle read and write operations between the master function and the slave function. Preferably the communication system includes a plurality of slave functions connected to a master function by the single address bus, the write data bus and the read data bus. A plurality of master functions may be connected to the slave functions through a bus arbiter connected to the plurality of master functions by an address bus, a write data bus and a read data bus for each master function. The bus arbiter receives requests for communication operations from the plurality of master functions and selectively transmits the communication operations to the slave functions. In a preferred embodiment of the present invention, the master function and the slave function are further connected by a plurality of transfer qualifier signals which may specify whether the operation is a read or a write operation, the size of the transfer, the direction of the transfer or the type of transfer so as to further facilitate multiple cycle transfers with a single address specified on the single address bus.
REFERENCES:
patent: 4954992 (1990-09-01), Kumanoya et al.
patent: 5060145 (1991-10-01), Scheuneman et al.
patent: 5193163 (1993-03-01), Sanders et al.
patent: 5237567 (1993-08-01), Nay et al.
patent: 5278957 (1994-01-01), Chan
patent: 5428753 (1995-06-01), Kondo et al.
patent: 5490265 (1996-02-01), Riches, Jr. et al.
patent: 5550820 (1996-08-01), Baran
patent: 5596708 (1997-01-01), Weber
patent: 5710891 (1998-01-01), Normoyle et al.
IBM Technical Disclosure Bulletin, v. 32, No. 4A, Sep. 1989 "Dual Bus Architecture".
Revilla Juan Guillermo
Sartorius Thomas Andrew
Schaffer Mark Michael
International Business Machines - Corporation
Jean Frantz Blanchard
McConnell Daniel E.
Phillips Steven B.
Sheikh Ayaz R.
LandOfFree
Methods and architectures for overlapped read and write operatio does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Methods and architectures for overlapped read and write operatio, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Methods and architectures for overlapped read and write operatio will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-1317962