Company Filing History:
Years Active: 1997-2002
Title: Innovations of James Beausang
Introduction
James Beausang is a notable inventor based in Mountain View, California. He has made significant contributions to the field of electronic design automation, particularly in compliance checking for IEEE standards. With a total of 11 patents to his name, Beausang's work has had a profound impact on the industry.
Latest Patents
One of Beausang's latest patents is focused on "Instruction signature and primary input and primary output extraction within an IEEE 1149.1 compliance checker." This invention presents a computerized method and system for automatically extracting an IEEE 1149.1 standard design from a netlist and performing compliance checking. The invention receives the TAP (test access port) description and compliance enable ports of a netlist. The TAP controller is extracted, and its state ports are identified and referenced in a boundary scan design database (BSDD). The states of the TAP controller are verified, and the instruction register is located and referenced in the BSDD. The bypass register is also found, and the BSDD is updated accordingly. The TAP controller is further controlled to locate the shift and update cells of the boundary scan register (BSR), characterizing the control, input, and output BSR cells while updating the BSDD. Primary input and output information is inferred, and the device_ID register is identified. Frontier pins are utilized to locate signatures of the remaining instructions, and their test data registers are found. The invention infers various instructions, including INTEST, HIGHZ, CLAMP, IDCODE, and RUNBIST. Each element of the IEEE 1149.1 design is located, used to update the BSDD, and verified for compliance, with intolerable violations flagging a non-compliant design.
Career Highlights
James Beausang is currently employed at Synopsys, Inc., a leading company in electronic design automation. His work at Synopsys has allowed him to collaborate with other talented professionals in the field, enhancing the quality and impact of his inventions.
Collaborations
Some of Beausang's notable coworkers include Robert L Walker and Chris Ellingham. Their collaboration has contributed to the innovative environment at Synopsys, fostering advancements in technology.
Conclusion
James Beausang's contributions to the field of electronic design automation through his patents and work at Synopsys, Inc.