The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Mar. 02, 1999
Filed:
Jul. 24, 1997
Dong-Soo Cho, Kyungki-Do, KR;
Goldstar Electron Co., Ltd., Cheongju, KR;
Abstract
An improved automatic data backup apparatus for a microcomputer capable of automatically backing up a user's program at a central processing unit(CPU), which includes a central processing unit(CPU) for performing a user program and a monitor program outputted from a first emulator input/output circuit and a data/address bus; a second emulator input/output circuit for outputting a register signal applied thereto and for inputting/outputting a data between a register data bus connected to an emulator and a backup register bus; and a data backup storing circuit for automatically backing up a data stored in a register of the CPU corresponding to a user program performed in the CPU in accordance with a monitor program request signal outputted from the second emulator input/output circuit, a register signal, a register recording signal, and a register judgement signal and for applying a data stored in a register in the CPU corresponding to a user program which is changed by a backed-up monitor program.