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The 3rd IEEE International Workshop on System-on-Chip for Real-Time Applications, 2003. Proceedings.最新文献

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Designing for test analog signal processors for MEMS-based inertial sensors 基于mems的惯性传感器测试模拟信号处理器的设计
J. Calvano, M. Lubaszewski
Conceptually, signal processors are systems, with reasonable complexity, were different mathematical operations are performed over signals derived from different origins. This paper presents the preliminary results for a Design for Test Methodology for analog signal processors, which can be used for MEMS and for the basic electronic circuitry around the micromachine core. The methodology is based on an analysis and a synthesis recursive process, which guarantees a good trade-of between extra structures, used to implement built-in self-test features in the original design. Basically, the whole design process is founded over the building of a system, with structural blocks, with a dynamic behavior of 1st and 2nd order.
从概念上讲,信号处理器是具有合理复杂性的系统,对来自不同来源的信号进行不同的数学运算。本文介绍了模拟信号处理器测试方法设计的初步结果,该方法可用于微机电系统和微机芯周围的基本电子电路。该方法基于分析和综合递归过程,保证了在原始设计中用于实现内置自检功能的额外结构之间的良好权衡。基本上,整个设计过程是建立在一个系统,结构块,具有一阶和二阶的动态行为。
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引用次数: 2
A high speed multi-input comparator with clocking-charge based for low-power systems 一种基于时钟电荷的小功率系统高速多输入比较器
Shih-Chang Hsia
Currently, a comparison function has been widely used for discrete signal processing. In this study, a novel comparison-cell is presented based on clocking concept. The advantages are that the circuit complexity can be largely reduced and the delay time becomes shorter. The prototype cell is designed for 4-bit comparison cell using Spice simulator. As comparisons with CMOS base, the complexity of proposed cell is reduced to one-third, and the circuit delay can be shortened to half. With a regular design, the prototype of 4/spl times/6 comparison circuit is implemented based on 4-bit basic cell. The chip core is about 0.9mm/sup 2/ using UMC 0.5 /spl mu/m process.
目前,比较函数已被广泛应用于离散信号处理。本研究提出了一种基于时钟概念的比较单元。其优点是大大降低了电路的复杂度,缩短了延时时间。使用Spice模拟器设计了4位比较单元的原型单元。与CMOS基片相比,该电池的复杂度降低了三分之一,电路延迟缩短了一半。采用常规设计,实现了基于4位基本单元的4/ sp1倍/6比较电路原型。芯片核心约0.9mm/sup 2/采用UMC 0.5 /spl mu/m工艺。
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引用次数: 0
A catalog of hardware acceleration techniques for real-time reconfigurable system on chip 芯片上实时可重构系统的硬件加速技术目录
N. Bergmann, Peter Waldeck, John A. Williams
The new technology of reconfigurable System-on-Chip is shown to be a good match to the requirements of real-time embedded systems. In particular, the judicious use of specialized data processing peripherals can reduce the CPU load significantly and greatly ease the task of guaranteeing that real-time deadlines are met in complex multiprocessing real-time systems. A catalog of other possible uses for the reconfigurable logic resources on such a chip which can assist in improving real-time system performance is also presented.
可重构的片上系统技术很好地满足了实时嵌入式系统的要求。特别是,明智地使用专门的数据处理外设可以显著降低CPU负载,并大大简化了在复杂的多处理实时系统中保证满足实时截止日期的任务。本文还介绍了这种芯片上可重构逻辑资源的其他可能用途,以帮助提高系统的实时性能。
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引用次数: 7
IP watermarking techniques: survey and comparison IP水印技术:综述与比较
A. T. Abdel-Hamid, S. Tahar, E. Aboulhamid
Intellectual property (IP) block reuse is essential for facilitating the design process of System-on-a-Chip. Sharing IP blocks in such a competitive market poses significant high security risks. IPs can be read, copied or even partitioned to cover the authorship proof. Creators and owners of IP designs want assurance that their content will not be illegally redistributed by consumers. Consumers, on the other hand, want assurance that the content they buy is legitimate. Digital watermarking, used with most of the shared digital media, has emerged as a candidate solution for helping copyright protection of IP blocks. In this paper, we outline IP watermarking and survey the current state-of- the-art of different schemes and algorithms. We also highlight the main technical problems that should be solved in order to let IP watermarking be used widely in industry.
知识产权(IP)块重用对于简化片上系统的设计过程至关重要。在这样一个竞争激烈的市场中共享IP区块会带来巨大的安全风险。ip可以被读取、复制甚至分区,以掩盖作者身份证明。知识产权设计的创作者和所有者希望确保他们的内容不会被消费者非法重新分发。另一方面,消费者希望确保他们购买的内容是合法的。大多数共享数字媒体都使用数字水印,它已成为帮助保护IP块版权的备选解决方案。在本文中,我们概述了IP水印,并概述了目前不同的方案和算法的最新进展。最后提出了IP水印在工业上广泛应用需要解决的主要技术问题。
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引用次数: 66
High-performance crossbar design for system-on-chip 片上系统的高性能横杆设计
P. Wijetunga
A new low-swing pass-transistor logic style for designing high-performance crossbar switches for system-on-chip applications is proposed. The new pass-transistor architecture uses current-switching and end-to-end swing restoration to improve the crossbar performance. The architecture is verified in 0.35 and 0.25 /spl mu/m CMOS technology. The 4-b 4x4 crossbar switch in 0.35 /spl mu/m CMOS occupied an area of 1.4 /spl mu/m/sup 2/ and achieved 36 Gb/s. Analysis suggests that the new logic style can be used to design multi-Tb/s crossbar switches in 0.18 /spl mu/m and lower CMOS technology.
提出了一种新的低摆幅通管逻辑风格,用于设计用于片上系统应用的高性能交叉开关。新的通型晶体管结构采用电流开关和端到端摆幅恢复来提高交叉棒性能。该架构在0.35和0.25 /spl mu/m CMOS技术上进行了验证。0.35 /spl mu/m CMOS中的4-b 4x4横条开关占用1.4 /spl mu/m/sup 2/的面积,实现了36gb /s。分析表明,新的逻辑风格可用于0.18 /spl mu/m及更低CMOS技术的多tb /s交叉开关设计。
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引用次数: 18
A CMOS inverter TIA modeling with VHDL-AMS 基于VHDL-AMS的CMOS逆变器TIA建模
M. Karray, P. Desgreys, J. Charlot
A CMOS inverter transimpedance TIA, also known as current feedback amplifier, is described. This amplifier has features of high bandwidth and high transimpedance-bandwidth product. A model of photodiode and TIA are presented.
描述了一种CMOS逆变器跨阻TIA,也称为电流反馈放大器。该放大器具有高带宽和高跨阻带宽乘积的特点。提出了光电二极管和TIA的模型。
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引用次数: 9
Area efficient implementation of noise generation system 区域内高效实施噪声产生系统
Dae-Ik Kim, Myung-Whan An, Ho-Yong Chung, Suk-Young Kim
The performance of communication systems should be tested against a set of requirements. To this end, noise generation systems are used to generate noise signals with specified characteristics. In this paper, area efficient noise generation system based on DCT is proposed. It is shown that the proposed structure results in a reduction in the area by 61-64% except DCT block. Also, the proposed structure can reduce power consumption by eliminating unnecessary operations in some blocks of the noise generation system.
通信系统的性能应该根据一组需求进行测试。为此,噪声产生系统用于产生具有特定特征的噪声信号。本文提出了一种基于DCT的区域高效噪声产生系统。结果表明,除DCT块体外,该结构可使区域面积减小61 ~ 64%。此外,所提出的结构可以通过消除噪声产生系统中某些块的不必要操作来降低功耗。
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引用次数: 0
A 0.18/spl mu/m CMOS Bluetooth frequency synthesizer for integration with a Bluetooth SOC reference platform 0.18/spl mu/m CMOS蓝牙频率合成器与蓝牙SOC参考平台集成
B. Georgescu, J. Nakaska, R. Randall, J. Haslett
Bluetooth is a communications standard targeting shortrange wireless communications with data rates of 1Mb/s at 10m distance. To encourage Canadian universities to pursue this commercially promising standard the Canadian Microelectronics Corporation is providing the intellectual property for a Bluetooth SOC Reference Platform. This platform does not currently include an RF transceiver core. This work describes a research effort made at the University of Calgary to build a compatible RF transceiver core in a CMOS 0.18/spl mu/m process. A brief Bluetooth specification translation process is presented. A pilot PCB Bluetooth frequency synthesizer is presented together with specific measurements made at NEWT, TRLabs' new test and measurement facility. Finally, a fully integrated Bluetooth frequency synthesizer implemented in a CMOS 0.18/spl mu/m process is presented.
蓝牙是一种针对近距离无线通信的通信标准,在10米距离上的数据速率为1Mb/s。为了鼓励加拿大大学追求这一具有商业前景的标准,加拿大微电子公司正在为蓝牙SOC参考平台提供知识产权。该平台目前不包括射频收发器核心。这项工作描述了卡尔加里大学在CMOS 0.18/spl mu/m工艺中构建兼容射频收发器核心的研究工作。介绍了一个简单的蓝牙规范转换过程。介绍了一个中试PCB蓝牙频率合成器,以及在TRLabs的新测试和测量设施NEWT上进行的具体测量。最后,提出了一个以CMOS 0.18/spl mu/m工艺实现的全集成蓝牙频率合成器。
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引用次数: 7
Detailed placement with net length constraints 详细放置与网长限制
Bill Halpin, Naresh Sehgal, C. Y. Chen
Increasing demands created by Systems-On-Chip (SOC) and process advances have increased the difficulty of timing driven placement. The primary issue in SOC is timing closure. This requires us to look at timing at all design levels, especially placement. Recently, several promising approaches for timing-driven placement have been presented using net length constraints for timing optimization (Alpert et al., 2001). A Net Length Constraint (NLC) is an upper limit on a net's length. These net-constrained global placement techniques give excellent timing results by meeting NLCs on timing-critical nets. These works focused only on global NLC placement. Detailed placement and legalization are important steps in the placement flow. Current algorithms, which are not NLC aware, give back the gains from global NLC placement. The contributions of this paper are a new NLC global placement rebalancing method and two detailed placement algorithms that work in conjunction with the recursive bisection net-constrained global placer (Alpert et al., 2001). The first detailed placer uses grid-based placement and transportation solving to assign instances to the grid. The second detailed placer uses simulated annealing to optimize placement for NLC. On benchmark circuits from MCNC and Intel Corporation, the grid and simulated annealing placers are able to achieve placements which exceed constraints by, on average only, 2.7% and 1.9%, respectively.
片上系统(SOC)和工艺进步带来的日益增长的需求增加了定时驱动放置的难度。SOC的主要问题是定时关闭。这就要求我们在所有设计层面都考虑时间,尤其是布局。最近,已经提出了几种有前途的时间驱动放置方法,使用净长度约束进行时间优化(Alpert et al., 2001)。网长约束(NLC)是对网长的上限限制。这些网络约束的全局布局技术通过满足时间关键网络上的NLCs,获得了出色的时序结果。这些工作只关注全球NLC安置。详细安置和合法化是安置流程中的重要步骤。目前的算法不能感知NLC,会使全局NLC放置的收益倒退。本文的贡献是一种新的NLC全局布局再平衡方法和两种详细的布局算法,这些算法与递归平分网约束的全局布局相结合(Alpert et al., 2001)。第一个详细的placer使用基于网格的放置和传输求解来将实例分配到网格。第二个详细的砂矿使用模拟退火来优化NLC的放置。在MCNC和Intel公司的基准电路上,网格和模拟退火放置器能够实现超出约束的放置,平均分别仅为2.7%和1.9%。
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引用次数: 12
A SoC bio-analysis platform for real-time biological cell analysis-on-a-chip 芯片上实时生物细胞分析的SoC生物分析平台
J. Keilman, G. Jullien, K. Kaler
Future bio-analysis devices and systems will be heavily dependent on the micro-convergence of SoC platforms with the disparate technologies of MEMS and microfluidics. This paper describes a bio-analysis system that will be part of a future low-power bio-analysis platform being developed jointly in the ATIPS and Bioelectrics Laboratories at the University of Calgary. The analysis technique will exploit dielectrophoresis (DEP), an electrokinetic phenomenon that has demonstrated novel and noninvasive biological cell identification, interrogation and species separation capabilities. Various electrode configurations have been previously developed and implemented, each of which can manipulate cells in a specific manner, and test microstructures have been built by fabricating the electrodes using a standard CMOS process. In this paper we generalize this concept by providing a generic electrode structure, a "lexel" (electric field element) array, which, when integrated with a processor, is capable of generating an arbitrary electric field shape, thus facilitating a programmable sequence of different cell manipulations to be performed. This paper presents a proposal for the "lexel" array, a two dimensional array of discrete, independent electrodes, and discusses it's interfacing with appropriate controlling and sensing electronic components to provide flexible cell manipulation and subsequent analysis capability as part of a System-on-Chip bio-analysis platform.
未来的生物分析设备和系统将严重依赖于SoC平台与MEMS和微流体等不同技术的微融合。本文描述了一种生物分析系统,该系统将成为未来由ATIPS和卡尔加里大学生物电实验室联合开发的低功耗生物分析平台的一部分。该分析技术将利用电介质电泳(DEP),这是一种电动现象,已证明具有新颖且无创的生物细胞鉴定、询问和物种分离能力。以前已经开发和实现了各种电极配置,每种配置都可以以特定的方式操作细胞,并且通过使用标准CMOS工艺制造电极构建了测试微结构。在本文中,我们通过提供一个通用的电极结构来推广这个概念,一个“lexel”(电场元件)阵列,当与处理器集成时,能够产生任意的电场形状,从而促进执行不同细胞操作的可编程序列。本文提出了一种“lexel”阵列的建议,这是一种离散的、独立的二维电极阵列,并讨论了它与适当的控制和传感电子元件的接口,以提供灵活的细胞操作和后续分析能力,作为片上系统生物分析平台的一部分。
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引用次数: 7
期刊
The 3rd IEEE International Workshop on System-on-Chip for Real-Time Applications, 2003. Proceedings.
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