Microcomputer
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United States of America Patent
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-
Sep 10, 1991
Grant Date -
N/A
app pub date -
Dec 2, 1988
filing date -
Jun 30, 1988
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A microcomputer comprises EEPROM provided as a fixed storage unit and a CPU for controlling the operation of the EEPROM, in which the EEPROM contains a divider which divides a stable clock signal from the outside of the microcomputer and converts it to a clock signal with a desired frequency, the clock signal is used as a synchronizing signal necessary for the writing data into the EEPROM. The CPU controls the operation of the EEPROM and sets the dividing ratio of the divider contained in the EEPROM at a desired value in accordance with the assignment from the outside of the microcomputer.
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