Title:
NON-VOLATILE MEMORY METHOD AND APPARATUS FOR DIGITAL COUNTER
Document Type and Number:
Japanese Patent JPS61265921
Kind Code:
A
Abstract:
A method for the non-volatile storage of the counter reading of a digital counter including storage locations for receiving counter readings and state information of a counting cycle, includes successively storing an actual counter reading in two independent counter reading registers, initially marking one of the registers containing a preceding counter reading, at least up to completion of a counter reading transfer into the other of the registers, subsequently marking the other register, and after a voltage interruption, transferring the counter reading of the marked register into the counter for presetting and selectively incrementing by 1, and an apparatus for carrying out the method.
Inventors:
UORUFUGANGU POKURANTO
Application Number:
JP10934286A
Publication Date:
November 25, 1986
Filing Date:
May 13, 1986
Export Citation:
Assignee:
SIEMENS AG
International Classes:
G06F11/14; H03K21/00; H03K21/40; (IPC1-7): H03K21/40
Attorney, Agent or Firm:
Tomimura Kiyoshi