Network co-processor for vehicles

Details Network co-processor for vehicles Network co-processor for vehicles

2007-08-21

2007-08-21

Baderman, Scott (Department: 2114)

Electrical computers and digital data processing systems: input/

Intrasystem connection

Bus interface architecture

C709S216000, C709S212000

Reexamination Certificate

active

10077472

ABSTRACT:
A network processor exchanges data of various descriptions via a plurality of network nodes with external network devices, such as other processors, controllers, transducers, or sensors. The network processor includes a master processor for control tasks of the processor, and a network coprocessor for supporting network tasks. A first and a second bus system, associated with the master processor and the network coprocessor with its associated functional units, particularly Data Link Layer memory devices, respectively, serves to separate the two fields of tasks from each other. This permits both a support of gateway functions and a support of Higher Layer functions. Higher Layer memory devices, whose messages are ultimately sent or received by the master processor, are accessible from the master processor or the network coprocessor directly or indirectly via the first and/or second bus systems.

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