U.S. patents available from 1976 to present.
U.S. patent applications available from 2005 to present.

Microcomputer

Patent 4716521 Issued on December 29, 1987. Estimated Expiration Date: Icon_subject December 29, 2004. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.

Patent References

4090236

Transfer system for multi-variable control units
Patent #: 4276593
Issued on: 06/30/1981
Inventor: Hansen

Data processor system including data-save controller for protection against loss of volatile memory information during power failure
Patent #: 4458307
Issued on: 07/03/1984
Inventor: McAnlis ,   et al.

Data transmitting link
Patent #: 4509140
Issued on: 04/02/1985
Inventor: Cheung

Microcomputer with power-save output instructions Patent #: 4590553
Issued on: 05/20/1986
Inventor: Noda

Inventor

Application

No. 06/630239 filed on 07/12/1984

US Classes:

713/1, DIGITAL DATA PROCESSING SYSTEM INITIALIZATION OR CONFIGURATION (E.G., INITIALIZING, SET UP, CONFIGURATION, OR RESETTING)713/300COMPUTER POWER CONTROL

Examiners

Primary: Shaw, Gareth D.
Assistant: Eakman, Christina M.

Attorney, Agent or Firm

International Class

G06F 1/24 (20060101)

Foreign Application Priority Data

1983-07-13 JP

Abstract

A microcomputer including a functional element for executing an internal reset instruction within the microcomputer, without a usual external reset signal. The internal reset instruction is executed every time a usual power-off instruction is executed. Thus, a power-off signal responding to the power-off instruction is maintained as it is by execution of the internal reset instruction. The microcomputer further includes a functional element for maintaining at least the level of a power-off signal until the power is completely cut off.

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