Data processing system and slave device

Details Data processing system and slave device Data processing system and slave device

2007-12-25

2007-12-25

Ellis, Kevin L. (Department: 2188)

Electrical computers and digital processing systems: memory

Address formation

Generating prefetch, look-ahead, jump, or predictive address

Reexamination Certificate

active

11073719

ABSTRACT:
A value of the number of prefetch words is preset by a master device50in a number of prefetch words setting section14of a slave device10. The number of prefetch words refers to the number of data units sequentially receivable by the master device50at a time from the slave device10. When the slave device10receives a read transfer request from the master device50, a prefetch control section13reads from a memory15contiguous data units having a quantity equal to the value of the number of prefetch words, and then writes the contiguous data units into a data buffer12. A bus interface11transmits the contiguous data units stored in the data buffer12to the master device50.

REFERENCES:
patent: 6012106 (2000-01-01), Schumann et al.
patent: 2003/0182513 (2003-09-01), Dodd et al.
patent: 2004/0015622 (2004-01-01), Avery
patent: 2004/0260908 (2004-12-01), Malik et al.
patent: 2000-330929 (2000-11-01), None

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