Asynchronous design on FPGA.
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Asynchronous design on FPGA. by Christine Lau

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The objectives have been achieved by designing three commonly used components in digital systems: (1) a self-timed completion-sensing adder, (2) an asynchronous pipelining protocol and (3) an asynchronous FIFO.The primary motivations for my research are: (1) asynchronous systems offer attractive potential advantages over synchronous systems and (2) the FPGA technology is becoming a viable alternative to the ASIC technology. The main objectives are to examine the trade-offs between synchronous and asynchronous systems and identify the difficulties and limitations of asynchronous circuit design on current synchronously-oriented FPGA design tools and architectures.The designs suggest that asynchronous designs on FPGA have some attractive potential advantages but are limited to the synchronously-oriented architecture. In conclusion, both a new asynchronous FPGA architecture and a new design tool with capabilities to understand asynchronous circuits are required in order to fully exploit the advantages of asynchronous circuits.

The Physical Object
Pagination101 leaves.
Number of Pages101
ID Numbers
Open LibraryOL19512529M
ISBN 100612953440

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  In this paper, we design and analyze two asynchronous circuits: 1) a simple micropipeline and 2) an asynchronous MIPS processor. We use a commercially available 65 nm Virtex-5 FPGA device for those two designs. The asynchronous FIFO implemented on the Virtex-5 device shows MHz throughput at the simulation under the worst case operating Cited by: 1.   •We propose a design method to design asynchronous CNN circuits on FPGAs •Approach 1. Conversion of Register Transfer Level (RTL) models of synchronous CNN circuits to asynchronous ones 2. Design of asynchronous CNN circuits using a commercial FPGA design environment Oct.2, MCSoC'19 9 Asynchronous Circuits with Bundled-data Implementation. This paper presents a novel architecture of an asyn-chronous FPGA for handshake-component-based design. The handshake-component-based design is suitable for large-scale, complex asynchronous. Montage can be used to realize asynchronous interface circuits or to prototype complete asynchronous systems, thus bringing the benefits of rapid prototyping to asynchronous design. Keywords.

The demonstrator design was developed by the Asynchronous Circuits and Systems Group of ICS-FORTH and of the University of Crete, and by the Microelectronics Group of Politecnico di Torino. It consists of a simple embedded system, implemented on a Digilent D2E FPGA board, centered around ASPIDA DLX Processor, an asynchronous open-source version. An FPGA itself can run a completely asynchronous design no problem. The result you get is the problem since timing through any FPGA is not very predictable. The bigger problem is the fact that your timing and resultant design will almost definitely vary between different place and route sessions. FPGA design. Over-constraining a design can result in a significant increase in the time required to place, route and analyze a design. The result is a longer design implementation time. Since the design implementation phase potentially occurs many times during a design cycle this can have a significant impact on design efficiency. The Zynq Book, University of Strathclyde, Glasgow, UK/Xilinx. Also useful, for some: FPGA-Based Prototyping Methodology Manual: Best practices in Design-for-Prototyping (FPMM), Amos, Lesea, Richter. My list of favorites. For VHDL programming, I just use online resources and online examples.

Sarah L. Harris, David Money Harris, in Digital Design and Computer Architecture, Synchronous and Asynchronous Circuits. Asynchronous design in theory is more general than synchronous design, because the timing of the system is not limited by clocked as analog circuits are more general than digital circuits because analog circuits can use any voltage, asynchronous. The asynchronous FPGA design [20] uses a standard “island-style” FPGA architecture as shown in Figure 2, which is composed of logic blocks surrounded by programmable interconnect tracks. Each logic block has four inputs and four outputs, and they are. Furthermore, we introduce delay maching technologies as well as whole design flow and tool-chain. All of these supply an applicable way of accelerating an asynchronous design for a FPGA. The case-studies show that communication between neighbor clicks is less than ns and the asynchronous method accelerates FPGA latency extremely. Implementation of combinational logic using MUX, ROM, PAL and tial Circuit:Flip flops SR, JK, T, D and Master slave - Characteristic table and equation - Application table - Edge triggering - Level triggering - Realization of one flip flop using other flip flops - Asynchronous / Ripple counters - Synchronous counters - Modulo - n /5(4).