Bus adapter module for interconnecting busses in a multibus comp

Details Bus adapter module for interconnecting busses in a multibus comp Bus adapter module for interconnecting busses in a multibus comp

1987-09-04

1989-09-05

Zache, Raulfe B.

Boots, shoes, and leggings

3642402, G06F 100

Patent

active

048644960

ABSTRACT:
A control adapter module in a bus adapter connecting a high-speed pended bus to a slower speed non-pended bus functions as a node of the non-pended bus. An interconnect bus extends between the control module and a response adapter module functioning as a node on the pended bus. Control signals on the interconnect bus generated by the response module comprise status signals having an indefinite assertion duration, and are deasserted only in response to control signals on the interconnect bus generated by the control module, which have a finite duration. Control signals on the interconnect bus generated by the response module are synchronized by a dual-rank synchronizer controlled by two phases of a multiphase clock signal derived from the clock signal of the non-pended bus. Control signals on the interconnect bus generated by the control module are synchronized by a dual-rank synchronizer controlled by two phases of a multiphase clock signal derived from the pended bus clock signal.

REFERENCES:
patent: 4234919 (1980-11-01), Bruce et al.

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