Address bus control system

Details Address bus control system Address bus control system

1991-04-23

1994-04-05

Dixon, Joseph L.

Boots, shoes, and leggings

395400, 364DIG1, 3642618, G06F 1202

Patent

active

053012941

ABSTRACT:
An address bus control system is provided of the type in which a controller including a central processing unit is connected through an address bus and a data bus to hardware modules which control equipment to be controlled. An address space defined by an address bus includes a discrimination space for discriminating the attribute of the hardware module and a function space for allocating and clearing an address space for a function interface of the hardware module. The attribute of a hardware module connected to a connector having a corresponding address is recognized using the discrimination space. The function interface of each hardware module is assigned a space within the function space in accordance with the contents of the discrimination space in concern, or the assigned space is canceled. An address of the function space can be allocated to only a necessary function interface, merely by connecting the hardware module to the connector, allowing to set up hardware modules equal to or larger than the total address space.

REFERENCES:
patent: 4701878 (1987-10-01), Gunkel et al.
patent: 4974150 (1990-11-01), Long et al.
patent: 5113497 (1992-05-01), Dewa

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