Split filtering in multilayer systems

Details Split filtering in multilayer systems Split filtering in multilayer systems

2004-08-20

2009-06-16

Dang, Khanh (Department: 2111)

Electrical computers and digital data processing systems: input/

Intrasystem connection

Bus access regulation

C710S039000, C710S244000

Reexamination Certificate

active

07549004

ABSTRACT:
Circuitry and methods enable masters without split capability to communicate with split capable slaves in a multilayer system. The output stage associated with each split capable slave, which usually comprises an arbiter, is augmented with a split filter. This split filter designates a channel on behalf of the master without split capability, filters the split and unsplit responses from the slave, and issues a second read request on behalf of the same master. Consequently, both the master without split capability and the split capable slave do not perceive any difference between this transaction and a normal one. The split filter implementation requires, at most, little change to the master and slave devices of the system.

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