Hitachi, Ltd.

Equator Technologies, Inc.

Other

Ashok Raman

John Setel O'Donnell

Radhika Thekkath

Benjamin Franklin Cutler

Eric Carl Rehm

Toru Nojiri

Yatin Mundkur

Woobin Lee

Christopher H Basoglu

Gregorio Gervasio

David Baker

David R Poole

John Poole, Legal Representative

In an information processing system which has plurality of modules including a processor, a main memory and a plurality of I/O devices, a data transfer switch for performing data transfer operations between the processor, main memory and I/O devices comprises a request bus which has a request bus arbiter for receiving read and write requests from each one of the plurality of modules. A processor memory bus is configured to receive address and data information from a predetermined number of modules, including the processor. The processor memory bus has a data bus arbiter for receiving data read and write requests from each one of the predetermined number of modules which are coupled to the processor memory bus. An internal memory bus is configured to receive address and data information from a predetermined number of modules, including the memory and the I/O devices. The internal memory bus has a data bus arbiter for receiving data read and write requests from each one of the predetermined number of modules coupled to the internal memory bus. A transceiver system is coupled to the processor memory bus and the internal memory bus for transferring data between the processor memory bus and the internal memory bus.

Data streamer

Data transfer engine of a processor having a plurality of modules

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San Jose, CA, United States of America

Ashok Raman