Future Wei Technologies, Inc.

Yufang Sun

Zhiyuan Wang

Qi Wu

Xinli Gu

Pu Wang

Xiaoyi Su

Lisheng Wang

Qixin Li

A method of testing a multi-core network processor comprises placing the multi-core network processor in an online environment. A test is performed on a core of the multi-core network processor when the core is idle, and the core is released from the test when it is completed and resumes processing data in the online environment. In another embodiment, a network processor comprises a computer readable instructions module and a processing core. The computer readable instructions module is configured to store test instructions, and the processing core is configured to operate in an online environment and execute the test instructions to test the processing core when the processing core is idle. In yet another embodiment, an apparatus comprises a multi-core network processor that is configured to execute test instructions to perform a test on a core of the multi-core network processor when the core is idle.

Network processor online logic test

A method of testing an interconnect between an electronic component and an external memory comprises receiving a data word having data bits and translating the data word into multiple cycles. The multiple cycles are transmitted through the interconnect to the external memory one after another such that a value of the data bit being transmitted is switched for each cycle. In another embodiment, an electronic component comprises an interface, a translation unit, and a test module. The translation module is configured to receive a burst from the external memory through the interface and is configured to translate the burst into a data word. The test module is configured to receive the data word from the translation module and is configured to compare the data word to a test pattern to detect an interconnect defect.

PRBS test memory interface considering DDR burst operation

Growing community of inventors

Beijing, China

Yufang Sun