The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Oct. 03, 2000

Filed:

Jan. 23, 1998
Applicant:
Inventor:

Terry Biggs, Austin, TX (US);

Assignee:

Motorola Inc., Schaumburg, IL (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06F / ;
U.S. Cl.
CPC ...
711169 ; 365203 ; 36523008 ; 36523009 ;
Abstract

A memory controller (42) supports a mode known as continuous page mode. The memory controller (42) is coupled to a pipelined internal bus and provides control signals to an external bus to control a memory such as a dynamic random access memory (DRAM) (43). The memory controller (42) compares the page portion of a next address to the page portion of the current address. If the addresses match, the memory controller (42) keeps the page open for the next cycle. However if the addresses do not match, or if the next address is not valid at this same point in time during the first access, the memory controller (42) closes the page during the first cycle. The memory controller (42) performs continuous page mode without incurring a penalty when the page is closed.


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