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Ji-Ye Zhao, Dong Liu, Dan-Dan Huan, Meng-Hao Su, Bin Xiao, Ying Xu, Feng Shi, Chen Chen, Song Wang. Physical Design Methodology for Godson-2G Microprocessor[J]. Journal of Computer Science and Technology, 2010, 25(2): 225-231.
Citation: Ji-Ye Zhao, Dong Liu, Dan-Dan Huan, Meng-Hao Su, Bin Xiao, Ying Xu, Feng Shi, Chen Chen, Song Wang. Physical Design Methodology for Godson-2G Microprocessor[J]. Journal of Computer Science and Technology, 2010, 25(2): 225-231.

Physical Design Methodology for Godson-2G Microprocessor

  • The Godson-2G microprocessor is a high performance SOC which integrates a four-issue 64-bit high performance CPU core (called GS464), a DDR2/3 controller, a HyperTransport controller, a PCI/PCI-X controller, etc. It is physically implemented in 65nm CMOS process and reaches the frequency of 1GHz with power consumption less than 4W. The main challenges of Godson-2G physical implementation include nanometer process technology effects, high performance design targets, and tight schedule. This paper describes the key innovative features of physical design methodology which had been used in Godson-2G physical implementation, with particular emphasis on interconnect driven floorplan generation (ICD-FP), adapted boundary constraints design optimization (ABC-OPT), automatic register group clock tree generation methodology (ARG-CTS).
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