Text and Other Books. 1. M. Wolf, Computer as Components: Principles of Embedded. Computing System Design, 3rd or 4th edition Morgan Kaufmann- Elsevier. This course covers SoC design and modelling techniques with emphasis on evolves into a System On Chip demonstrator with CPU and bus models, device. A system on a chip or system on chip is an integrated circuit that integrates all components of a computer or other electronic system. These components typically.
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future: autonomous SOC, self-optimising/verifying design. • our focus Basic system-on-chip model .. (see aracer.mobi~wl/papers/scppdf). P1 = P2 . System on chip is the most modern form of technology being under use and further circuit logic to comprehend a System-on-Chips (SoCs), System-on-Chip is. SYSTEMS ON CHIP (SOC). FOR EMBEDDED. APPLICATIONS. Victor P. Nelson. “Leap Day”, 2/29/ VLSI D&T Seminar - Victor P. Nelson.
We 40 obtain similar results for fixed-size packets. Throughput comparison of Octagon, a bus, and a crossbar for randomized packet tem of eight queues sharing eight servers.
Contention and head-of-line blocking mean 1.
We could have considered eight queues 0. On the other hand, it 0. Hence we model the 0.
Packet loss probability versus egress queue size for a system using the Octagon node. This means we incur architecture. Note that the ing, a node process is not blocked if the effective server utilization is about 50 percent scheduler cannot schedule its communication 12 , the same as for the crossbar.
Instead, the requesting Some packet service approaches achieve high node queues the request in its egress queue. This strategy can improve system performance That is, system efficiency and throughput and node utilization more than some com- increase as the workload at each queue builds.
However, each Octa- bility, a system using an Octagon architecture gon node must have a queue large enough to requires fewer than 50 packet buffers. Thus, avoid packet loss. Scaling strategy 1. Bridge nodes node y connect adjacent Octagons a and perform hierarchical packet routing. Member nodes attach to only one Octagon node x.
The tables give the maximum distance for Octagon b and crossbar c networks of various sizes. Figure 7a shows queue increases.
Note that a queue size of 25 a scaling strategy that requires two different results in a nominal packet loss of 0. As the name while a queue size of 35 reduces the packet loss implies, bridge nodes connect adjacent probability to 0. If needed, a sys- Octagons and perform hierarchical packet tem designer can enable a zero packet loss guar- routing for example, node y in Figure 7a.
Consider a network at full or near-full capacity, thereby stalling the consisting of eight interconnected Octagons. The Octagon address field of each packet is 6 bits wide: three high-order bits to identify the Scalability local Octagon and three low-order bits to The increasing performance demands of identify the node within the Octagon.
Next-generation network processors forms routing based only on the three low- will likely have 16 or more processors and order bits. The need for interconnecting Octagon and crossbar architectures. To arrive greater numbers of on-chip components in at these estimates, we assumed the SOC lay- network processors and other SOCs will accel- out in Figure 2a for each octagon.
We extend- erate in the foreseeable future, increasing the ed the layout to the configuration of Figure 2b need for scalable, on-chip communication for crossbars with more than eight nodes. Octagon scales linearly and the crossbar does not because in the crossbar, every node is wired Strategy 1: Low wiring complexity to every other node.
Scaling strategy 2. We extend the Octagon to the multidimensional space by linking corresponding nodes in adja- cent Octagons according to the Octagon configuration a. The table b indicates the increased wiring complexity number of links , and the greater maximum distance needed as the number of connected nodes increases. In this Octagon scaling strategy, Strategy 2: High performance on the other hand, each node requires either For systems in which high performance is three or six wires to its neighbors, resulting in the dominant consideration, we propose a sec- wiring complexity of O cN.
In this distance the maximum number of hops strategy, we extend Octagon to multidimen- between any two nodes for networks of var- sional space. Figure 8a illustrates this scaling ious sizes. The maximum distance increases strategy in a node Octagon.
That is, each node forms better than an 8-node crossbar with I, J belongs to two Octagons: one consisting maximum distance 1. The table in between nodes grows much more slowly, but Figure 8 indicates the increase in wiring com- it does not remain constant as for the crossbar. How- connected nodes increases. The maximum dis- ever, this characteristic might not suit systems tance between nodes scales much better under where high throughput is the primary concern.
However, strategy For example, consider a SOC with 15 nodes. If cost of greater wiring complexity. Therefore, it can con- node represents an Octagon. We scale the net- currently transfer at most three packets in each work as follows.
We are currently investigating the use of Octagon to satisfy the on-chip communication needs of other appli- cation-specific multiprocessor SOCs. Growing the network using scaling strategy 2. As the sain for his help on physical layout and imple- number of Octagons to be connected increas- mentation issues. That is, to connect eight References Octagons, 12 bidirectional links are needed to 1. Kumar, T. Lakshman, and D. For a network with more nodes, we start for the Differentiated Services of Tomor- adding links in a new dimension.
Raghunathan, and S. Rowson and A.
Sangiovanni-Vincentel- scaling feasible. Comparison of Octagon scaling strategies to a crossbar architecture: number of nodes versus wiring complexity.
Nguyen has a PhD York, , pp.
Ortega and G. Computer Engineering Department at the 6. Gasteier and M. Design Automation Electronic forms consisting of adaptive wireless proto- Systems, vol. He is a member of the IEEE. Sonics Integration Architecture, www. THINK Gross and C. Harris, Fundamentals of Queueing Theory, 3rd ed. These groups influence fornia. His research interests include comput- our standards development and offer leading er and embedded system architecture. Karim conferences in their fields.
Join a community that targets your discipline. His research interests include per- computer. Aims and objectives of the course. This course deals with current problems in designing complex embedded systems on silicon, also known as "systems on chip".
Students will get an understanding of these by studying typical microchip architectures and by modelling these. Following an introductory exercise to get familiar with the tools and the development process, groups of students will design and implement a typical system.
Users could then read out sensors, steer actuators, and define control rules via a webpage hosted on another ZYBO board that connects to the peripheral boards via secure TLS channels. The presentation can be downloaded here.
In the project, all smart home components should communicate securely over encrypted transmission channels to prevent attackers from taking control over the house. The final demonstrator used ZYBO development boards to implement a trusted microprocessor on an FPGA for performing all security-relevant tasks, to access temperature and light sensors, and to control servomotors.
A desktop client was registered at the smart home control unit to access sensor data and change control parameters. As an use case, protected audio was selected. The final demonstrator was built using two ZEDboards, featuring embedded linux including a custom voice-over-IP application. Goal of the project was to design a Linux-based system that allows to play TV video streams over Ethernet. DualShock vibration , multi-player support, etc. There is also a video available here mp4, 19MB.
One board implements Linux on the Xilinx Microblaze processor, the other board implements the Linux running on the Leon 3 processor. The docu can be downloaded here.
There is also a video of the final presenation available at youtube.