Learn More
The interconnection architecture of FPGAs such as switches dominates performance of FPGAs. Three-dimensional integration of FPGAs overcomes interconnect limitations by allowing instances to be located and signals to be routed in 3-D space. Wire resource prediction is important for fast and accurate interconnection planning in 3-D FPGA. In this paper, we(More)
This paper describes the MetaCore system which is an ASIP (Application-Specific Instruction set Processor) development system targeted for DSP applications. The goal of MetaCore system is to offer an efficient design methodology meeting specifications given as a combination of performance, cost and design turnaround time. MetaCore system consists of two(More)
This paper presents new technology that accelerates system verification. Traditional methods for verifying functional designs are based on logic simulation, which becomes more time-consuming as design complexity increases. To accelerate functional simulation, hardware acceleration is used to offload calculation-intensive tasks from the software simulator.(More)
We propose a current injection-based estimator to identify accurately standstill induction motor (IM) parameters necessary for vector control. A mathematical model that faithfully represents the general deep bar effect is introduced. Then, two exciting signals with a different frequency are sequentially injected to track the parameters based on the(More)
—This paper describes the MetaCore system which is an application-specific instruction-set processor (ASIP) development system targeted for digital signal processor (DSP) applications. The goal of the MetaCore system is to offer an efficient design methodology meeting specifications given as a combination of performance , cost, and design turnaround time.(More)
Texture mapping is a common technique used to increase the visual quality of 3D scenes. As texture mapping requires large memory to deal with large textures generally r e quired in the current visual systems, we propose an algorithm for compressing a pyramid texture used for mipmapping. Vector quantization is used to compress all levels of the pyramid(More)
This paper presents a special hardware implementation developed for the computation of the specular term which is the most time consuming part in the Phong's illumination. In the Phong shading, the exponentiation operation of two floating-point numbers is necessary for each point inside a polygon. An approximation algorithm is developed to speed up the(More)
Functional coverage is a technique for checking the completeness of test vectors in HDL simulation. Temporal events are used to monitor the sequence of events in the specification. In this paper, automatic generation of temporal events for functional coverage is proposed. The HiTER is the graph where nodes represent basic temporal properties or subgraph and(More)
This paper presents an optimized channel usage between simulator and accelerator when the simulator models transaction-level SoC while accelerator models RTL sub-blocks. Conventional simulation accelerators synchronize the progresses of simulator and accelerator at every simulation time, which results in poor performance by splitting transactions on the(More)
We propose a new flip-flop configuration which saves about 60% of total clocking power using a half-swing clock. To use the half-swing clock, level converters or special clock drivers are traditionally required and the power consumptions of these logic cannot be ignored. In the proposed scheme, only NMOSes are clocked with half-swing clock in order to make(More)