Texas Instruments Corporation

Martin Yu Li

Andre Szczepanek

Natarajan Kurian Seshan

Jay Bryan Reimer

Patrick J Smith

Steven P Marshall

Travis M Scheckel

Shakuntala Anjanaiah

High speed networking systems such as PCI-Express and Serial Rapid I/O are based on the exchange of packets across switched networks of high speed serial links. Information in the headers of these packets indicate the kind of transaction they represent. Queuing all received packets in a single queue will cause interactions between transaction types. Indirection can be used create the effect of multiple independent queues from a shared memory. This provides efficient centralized packet storage, while allowing independent processing of different transactions types.

Rapid I/O traffic system

A slave interface unit controls the exchange of data between a master processing unit and a plurality of slave processing units operating in the asynchronous transfer mode (ATM) of operation. The ATM slave interface unit has a receive unit and a transmit unit that exchange data cells and control signals with the ATM master processing unit. The receive unit and the transmit unit are coupled to a receive buffer storage unit and a transmit buffer storage unit, respectively. The receive buffer storage unit and the transmit buffer storage unit exchange data and control signals with the direct memory access unit. The ATM slave interface unit includes a configuration interface unit having a register that identifies the location in the data cell where the destination address is located and relates the destination address to the particular processing unit or memory location. The receive buffer unit uses the information in the register to determine the destination of the data cell.

Apparatus and method for an interface unit for data transfer between a host processing unit and a multi-target digital signal processing unit in an asynchronous transfer mode

Growing community of inventors

Missouri City, TX, United States of America

Martin Yu Li