Microcomputer with severable ROM
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Sep 2, 1986
Grant Date -
N/A
app pub date -
Dec 30, 1982
filing date -
Dec 30, 1982
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A microcomputer has provision for both on-chip ROM (on the same chip as the CPU) and off-chip ROM and which may operate with only on-chip ROM as only off-chip ROM has the hardware capability to disable on-chip ROM permanently, so that chips having defective ROM may be salvaged by being converted to computer chips that use only off-chip ROM.
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