Title:
NONVOLATILE MEMORY
Document Type and Number:
Japanese Patent JPH0541092
Kind Code:
A
Abstract:
PURPOSE: To provide a nonvolatile memory reducing the load of software and shortening the back up time of power source voltage at the time of the interruption of power source.
CONSTITUTION: A data signal is inputted to a serial bus interface 1 through a serial input line 102 and stored to the address of a data memory 3 corresponding to an address decoder 2. Then, when a necessary data content in the data memory 3 is stored to the nonvolatile memory 6, the data of the address specified a range by a write starting address decoder 4 and a write ending address decoder 5 is written to the corresponding address of the nonvolatile memory 6.
Inventors:
URANO HIROSHI
Application Number:
JP19757191A
Publication Date:
February 19, 1993
Filing Date:
August 07, 1991
Export Citation:
Assignee:
NIPPON ELECTRIC IC MICROCOMPUT
International Classes:
G06F1/30; G06F12/16; G11C16/02; G11C16/06; G11C17/00; (IPC1-7): G06F1/30; G06F12/16; G11C16/06
Domestic Patent References:
| JPH0281398A | 1990-03-22 |
Attorney, Agent or Firm:
Uchihara Shin