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Title:
ROM CORRECTION FUNCTION DISPLAY DEVICE
Document Type and Number:
Japanese Patent JPH0944350
Kind Code:
A
Abstract:

To immediately and easily recognize the use/disuse and use content of a ROM correction function by on-screen display by providing a display means to display the use/disuse of the ROM correction function of a microcomputer.

Nonvolatile memory 9 comprises a ROM correction information part 9A to store a ROM address and data for ROM correction and a ROM correction function use/disuse information part 9B. In the microcomputer 8, a nonvolatile memory processing circuit 8C takes out a signal from the ROM correction function use/disuse information part 9B in the nonvolatile memory 9, and delivers it to a ROM correction function use/disuse processing circuit 8B. The processing circuit 8B is to perform the processing of a display content and display time, etc., when the use/disuse of the ROM correction function is displayed on a 7 segment display device 10, and a processed signal is outputted from a 7 segment display driving circuit 8F via a ROM correction function use/disuse display processing circuit 8D.


Inventors:
SASAKI KAZUYOSHI
Application Number:
JP19736295A
Publication Date:
February 14, 1997
Filing Date:
August 02, 1995
Export Citation:
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Assignee:
MATSUSHITA ELECTRIC IND CO LTD
International Classes:
G11C17/00; G06F9/06; G06F11/00; G06F15/78; G11C16/02; G11C16/06; G11C29/04; H04N5/445; (IPC1-7): G06F9/06; G06F9/06; G06F15/78; G11C16/06; H04N5/445
Attorney, Agent or Firm:
Tomoyuki Takimoto (1 person outside)