Using subordinate bus devices that are connected to a common bus

Details Using subordinate bus devices that are connected to a common bus Using subordinate bus devices that are connected to a common bus

1996-06-05

1999-06-08

An, Meng-Ai T.

395306, 395281, 395282, 395284, 395828, 395869, 395884, G06F 1300

Patent

active

059110554

ABSTRACT:
A computer system has a central processing unit and a bus. A first bus device and a second bus device are connected to the bus. A circuit is connected to configure the second bus device to be addressable by the central processing unit via the bus only by interaction with the first bus device. The first bus device may be an I.sub.2 O processor, and the second bus device may be an I.sub.2 O subordinate bus device.

REFERENCES:
patent: 4417302 (1983-11-01), Chimienti et al.
patent: 4682326 (1987-07-01), Ulug
Intel Corp., i960 Microprocessor Electronic Library (on CDROM), 1995, p. 25.
Intel Corp., i960-RP Microprocessor User's Manual, 1996, Mt. Prospect, IL, pp. 8-22 through 8-25, 8-34, 15-8, 15-58 and 15-59.

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