Infineon Technologies Ag

Prashant Balakrishnan

Guruprasad Ardhanari

A preferred embodiment comprising a data switch includes a first processor for routing data packets including a MAC address, using a MAC address table stored in a writable memory. The switch further includes a second processor for routing data packets including an IP address using an IP address look-up table stored in the writable memory. The writable memory consists of a single memory fabric that is allocated between the MAC address table and the look-up table by a memory control unit according to a setting stored in a non-erasable memory unit.

Data switch, and communication system using the data switch

An integrated circuit () comprises a plurality of processing modules () which interact during the normal operation of the integrated circuit. Switches () are provided on the integrated circuit () and operated during a testing procedure to isolate a single module () or a group of modules () from the other modules, so that that the isolated module or group of modules can be tested. During the testing procedure, the switches () provide defined signals at inputs of the isolated module(s) which, when the integrated circuit is in normal operation, are controlled by outputs of the other modules.

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Singapore, Singapore

Prashant Balakrishnan