Microcomputer development system

Details Microcomputer development system Microcomputer development system

1986-08-01

1989-07-11

Shaw, Gareth D.

Boots, shoes, and leggings

371 20, G06F 1130

Patent

active

048478059

ABSTRACT:
A development system for a family of one-chip microcomputers which are all of the same architecture but differ in the memory size and the input/output number, comprises a common emulation chip having the largest memory size and the largest input/output number in the microcomputer family, an information memory storing a data memory area utilizable in a target microcomputer to be developed, a local emulation chip for emulating the peripheral hardware of the target microcomputer, and a guard controller generating a guard verify signal for stopping an emulation operation when the access is made to a memory area or a peripheral hardware which is not to be included in the target microcomputer. Thus, the access to the resources which is not to be included in the target microcomputer is inhibited.

REFERENCES:
patent: 4447876 (1984-05-01), Moore
patent: 4486827 (1984-12-01), Shima et al.
patent: 4633417 (1986-12-01), Wilburn et al.
patent: 4638423 (1987-01-01), Ballard
patent: 4674089 (1987-06-01), Poret et al.
patent: 4691316 (1987-09-01), Phillips
patent: 4727512 (1988-02-01), Birkner et al.
patent: 4780819 (1988-11-01), Kashiwagi
patent: 4788683 (1988-11-01), Hester et al.

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