Semiconductor memory device including cache memory used as a RAM

Details Semiconductor memory device including cache memory used as a RAM Semiconductor memory device including cache memory used as a RAM

1997-06-02

2000-11-14

Thai, Tuan V.

Electrical computers and digital processing systems: memory

Storage accessing and control

Hierarchical memories

711104, 711136, 711144, G06F 1200

Patent

active

061483702

ABSTRACT:
In a control register, tag address information which points at RAM areas defined in a data array is stored. A comparator compares a tag address of a cache access address with the tag address information stored in the control register and generates an access control signal which indicates that the RAM area defined in the data array of the cache memory is accessed according to the cache access address and which controls access to data in the RAM areas. As a result, RAM areas can be defined in arbitrary areas of the cache memory with treating the entry as a unit.

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