Patent · US Expired

Memory management for microprocessor system

US4972338A · kind A · utility

114Cited by
14References
7Claims
0Family size

Assignee

Inventors

Key dates

Filing dateApr 19, 1988
Grant dateNov 20, 1990
Priority date
Expiry dateApr 19, 2008

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG06F12/145
  • WIPO fieldComputer technology
  • WIPO sectorElectrical engineering

Abstract

Microprocessor architecture for an address translation unit which provides two levels of cache memory management is described. Segmentation registers and an associated segmentation table in main memory provide a first level of memory management which includes attribute bits used for protection, priority, etc. A second page cache memory and an associated page directory and page table in main memory provide a second level of management with independent protection on a page level. eyboard

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.