Data processing system capable of performing a direct memory access transfer of data stored in a physical area in a memory
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Oct 13, 1992
Grant Date -
N/A
app pub date -
May 23, 1989
filing date -
May 23, 1988
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A system is constituted by a DMAC, a CPU, a main memory, and an I/O device. The DMAC has a FIFO type BDW buffer for storing a buffer descriptor word (BDW) and a control unit. The control unit loads a BDW from the BDW buffer, and controls DMA. The CPU writes a new BDW in the BDW buffer during a DMA operation execution period.
First Claim
Family
International Classification(s)
Cited Art Landscape
Patent Citation Ranking
Advertisement
Advertisement
Advertisement
Recipient Email Address
Recipient Email Address
Comment
Recipient Email Address
Add to Portfolio(s)
To add this patent to one, or more, of your portfolios, simply click the add button.
This Patent is in these Portfolios:
Add to additional portfolios:
Last Refreshed On:
Changes done successfully