MEMORY SYSTEM

MEMORY SYSTEM

PROBLEM TO BE SOLVED: To provide a memory system in which no third party except a specified person is allowed to easily perform writing to a memory. SOLUTION: A writing mode signal WM is generated when potential of an input terminal 4 shows a specified state by a hardware setting circuit 5. A writin...

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1. Verfasser: NAKATSUGI YASUTO
Format: Patent
Sprache:eng
Schlagworte:
CALCULATING
COMPUTING
COUNTING
ELECTRIC DIGITAL DATA PROCESSING
INFORMATION STORAGE
PHYSICS
STATIC STORES
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creator NAKATSUGI YASUTO
description PROBLEM TO BE SOLVED: To provide a memory system in which no third party except a specified person is allowed to easily perform writing to a memory. SOLUTION: A writing mode signal WM is generated when potential of an input terminal 4 shows a specified state by a hardware setting circuit 5. A writing permission signal S5 is generated when a preset sequence is recognized by a sequence recognizing means 12. A writing signal WS is outputted to a flash memory 3 when the signal WM is generated by the hardware setting circuit 5 and the signal SS is generated by the sequence recognizing means 12 by a writing signal generating circuit 6A.
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SOLUTION: A writing mode signal WM is generated when potential of an input terminal 4 shows a specified state by a hardware setting circuit 5. A writing permission signal S5 is generated when a preset sequence is recognized by a sequence recognizing means 12. A writing signal WS is outputted to a flash memory 3 when the signal WM is generated by the hardware setting circuit 5 and the signal SS is generated by the sequence recognizing means 12 by a writing signal generating circuit 6A.</abstract><edition>7</edition><oa>free_for_read</oa></addata></record>
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subjects CALCULATING
COMPUTING
COUNTING
ELECTRIC DIGITAL DATA PROCESSING
INFORMATION STORAGE
PHYSICS
STATIC STORES
title MEMORY SYSTEM
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