Validating chip configuration data

Details Validating chip configuration data Validating chip configuration data

2005-10-18

2009-02-24

Tsai, Henry W. H. (Department: 2184)

Electrical computers and digital data processing systems: input/

Input/output data processing

Peripheral configuration

Reexamination Certificate

active

07496692

ABSTRACT:
Verifying configuration data for configuring a microprocessor or system-on-a-chip (SoC) is provided. During initialization, configuration data is shifted into the microprocessor or SoC through a configuration input. The configuration data is shifted to all of the on-chip processor units to provide initial settings for configuration latches in the design. While the configuration data is being shifted to the on-chip processor units, a copy of the configuration data is also stored in a local storage of a test control unit. A private interface is provided between the test control unit and the processor units. Via the private interface, a processor unit receives the current configuration data for the processor units. The current configuration data is compared against the original configuration data stored in the test control unit to verify the current configuration of the processor units.

REFERENCES:
patent: 2004/0034763 (2004-02-01), McCardle
patent: 2006/0179302 (2006-08-01), Hatakeyama

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