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Field programmable gate array (FPGA) based controller offer advantages such as high-speed complex functionality and low power consumption. According to the controller complexity, the FPGA design can be achieved by a multiprocessor system on chip (MPSoC) architectures with mixed software/hardware solutions. The aim of this paper is to design a full speed real time (RT) motor control drive algorithms...
This paper deals with the design of power supply distribution network in CMOS System-on-Chips to reduce electromagnetic emissions. The main sources of both conducted and radiated emissions are pointed out and the most popular solutions for these problems are summarized. Based on that, the paper shows a new power supply network and grounding scheme that strongly mitigate the off-chip propagation of...
In this paper, a micropower low-dropout regulator (LDO) for a low-power capacitive sensor interface fabricated in a 0.25 mum BiCMOS process is presented. The LDO with on-chip voltage and current references, and an on-chip programmable load capacitor, occupies an active silicon area of 0.18 mm2. It is stable with zero load current over the load capacitance range from 0 to 1 nF. The input voltage range...
In this paper, a high accuracy, high efficiency, and wide current sensing range on chip current sensing technique is presented. The proposed current sensing circuit uses simple switch technique to achieve high accuracy. The current sensing circuit has no OP amplifier so that it would not reduce the power efficiency. The test chip is fabricated in TSMC 0.18 mum 1P6M 3.3 V CMOS process. The measurement...
C-based hardware-accelerated embedded system has been proposed to tackle the increasing time-to-market pressure and the growing complexity of system on chip (SoC). Due to tools selection and different set of synthesis, place and route options, numerous low level solutions in term of area and frequency can be produced and must be considered in high abstraction level. In this paper we conduct a quantitative...
Multiplication operations are the normal operations in operating systems or scientific calculations. Multipliers embedded in processors, DSP or SoC are well optimized for best performance, and they are sensitive to test overhead. Instruction level test is a popular functional test approach for microprocessors test, and it can get satisfactory test results. But for the multipliers, one important part...
Multiprocessors system on chip are expected to be used for multiple applications which might exhibit distinct communication patterns. Finding a common efficient network on chip for these multiple applications might be simply impossible due to the diverging requirements. Reconfigurable network on chip is a potential solution in which the network is reconfigured before application execution in order...
In this article, an ultra high-speed arbitration process for transient pixelspsila data is presented. Enabling a high-precision timestamping, this system demonstrates its uniqueness for handling high peak rates and preserving the main advantage of the neuromorphic electronic systems, that is high and accurate temporal resolution. Based on synchronous arbitration concept, the timestamping has accuracy...
A built-in on-chip current sensors design based on magnetic force of is presented. The proposed sensors are aimed to be used for on-chip current testing in deep-submicron circuits with ultra low-voltage power supply. The advantage of the proposed monitors is mainly elimination of the undesired supply voltage reduction, commonly created by standard current test methods. Description of different sensor...
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