SEMICONDUCTOR INTEGRATED CIRCUIT

PROBLEM TO BE SOLVED: To provide a semiconductor integrated circuit capable of preventing abnormal operation due to a user programming error such as reading from an unwritten address of a RAM in actual usage. SOLUTION: When an external reset signal RST is released, an internal reset signal generatio...

Full description

Saved in:
Bibliographic Details
Main Authors IGARASHI TOSHIYUKI, TOMATSURI HIDEAKI, AKASAKA NOBUHIKO
Format Patent
LanguageEnglish
Published 28.12.2006
Subjects
CALCULATING
COMPUTING
COUNTING
ELECTRIC DIGITAL DATA PROCESSING
PHYSICS
Online AccessGet full text

Cover

More Information
Summary:PROBLEM TO BE SOLVED: To provide a semiconductor integrated circuit capable of preventing abnormal operation due to a user programming error such as reading from an unwritten address of a RAM in actual usage. SOLUTION: When an external reset signal RST is released, an internal reset signal generation part 2 releases an internal reset signal RST_IN. By means of a RAM initialization control part 10, an address generation counter part 11, a data generation part 12, and a WE generation part 13 start operation necessary for initializing RAMs 6-0 and 6-1 and tag RAMs 21-I and 21-D when the internal reset signal RST_IN is released, and a CPU 9 maintains the initial state until initialization of the RAMs 6-0 and 6-1 and the tag RAMs 21-I and 21-D is finished. COPYRIGHT: (C)2007,JPO&INPIT
Bibliography:Application Number: JP20050178890