the 8051 microcontroller and embedded systems using assembly and c free download

Ngày tải lên: 04/10/2013, 19:10

... MICROCONTROLLERS The 8051 Microcontroller and Embedded Systems: Using Assembly and C Mazidi, Mazidi and McKinlay Department of Computer Science and Information Engineering National Cheng Kung University, ... TAIWAN 31 HANEL INSIDE THE COMPUTER Inside CPUs (cont) ALU (arithmetic/logic unit) ắ Performs arithmetic functions such as add, subtract, multiply, and divide, and logic functions such as AND, OR, and NOT ... Department of Computer Science and Information Engineering National Cheng Kung University, TAIWAN 6 HANEL MICRO- CONTROLLERS AND EMBEDDED PROCESSORS Microcontrollers for Embedded Systems  An embedded...

Ngày tải lên: 20/01/2014, 03:20

... Information Systems Science 5 Set the clock time The user can set the clock time and adjust it to the current time zone. Watch the time The system constantly shows the current time and date on the display. ... diagram The Alarm Clock Class Diagram The Alarm Clock class keeps the current time and date and the alarm time. The Alarm Clock uses a timer to measure the pass of the time. Each second updates the ... object provides accurate timing and scheduling for the time dependent objects, like the alarm clock. The alarm clock object subscribes itself to the scheduler object. Every second, the scheduler...

Ngày tải lên: 24/10/2013, 23:15

... policies and organizations that determine their access to assets/ opportunities and the returns they can achieve ● the access of the poor to social, human, natural, financial and physical capital ... female and male participants. For example, depending on culture and other circumstances, it is sometimes the case that female participants in the sub-sector face more difficulties in accessing certain ... Project Partnership 13 Approaching the Topic 14 Mapping the Commodity Chain 14 Understanding the Livelihoods Context of Sub-sector Participants 14 Economic Analysis Focusing on Financial Capital...

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Ngày tải lên: 19/10/2013, 14:15

Ngày tải lên: 23/10/2013, 12:15

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Ngày tải lên: 25/01/2014, 09:20

... The exception is the connection between the Stack cache and the arithmetic units that is 96 bits. This allows for long operands to pass from the cache to the arithmetic units in a single cycle. The ... logical blocks that are unique to this design are the ARM I/O interface and the interface controller. The interface is connected inside the ATEB9200 board to both the instruction and data caches ... well as the interface controller. Instructions for execution flow through the interface and into the instruction cache for execution. The interface controller maintains the link between the Kaffe...

Ngày tải lên: 13/02/2014, 03:20

... particular attention. The classical pencil and paper algorithm implies the sequential computation of a set of carries, each of them depending on the preceding one. As a consequence, the execution ... seem and is much less than the number of engineers dedicated to production and sales. The case of embedded systems is different. Embedded systems are circuits designed for speci c applications ... operations, and thus on the costs and performances of the circuits that implement those algorithms. Apart from the cost and performance, another aspect to take into account, when choosing a number represe...

Ngày tải lên: 27/03/2014, 21:16

... is classi ed as cascaded. 3. Coupled—If the events mutually affect each other, the system is classi ed as coupled. 1.2.4 According to the Nature and Type of Components 1. Static or dynamic ... systems in sociology in terms of mechanical, organic, and process models. Klir (1969) well clas- si ed the systems and de nes systems in terms of abstract, real, and conceptual physi- cal systems, ... to understand the complete picture, the interrelated variables, and the effects they have on each other. Introduction to Systems 5 to the former, when we are equally concerned about the internal...

Ngày tải lên: 01/04/2014, 10:55

... Development of Packed Columns and Their Significance in Rectification 15 In the same decade, the manufacturers Sulzer and Montz increased the range of struc- tured packings, with speci c packing ranges ... columns The effective void fraction of the packing (ε-h L ) decreases, which results in an increase in pressure drop p/H, based on the accepted law of resistance acc. to Darcy and Weis- bach. As the ... efficiency at the minimum of the curve n t /H = f(u V ). The advantages of the method developed by Beck lie mainly in the sim- ple use of the correlations, which have a practical significance in the...

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Ngày tải lên: 18/04/2014, 12:25

... to be changed for some common reason. The purpose of the change sets is to allow controlled change in requirements and allow tracking the changes later on by associating them to some speci c goal. Change ... stakeholders about the semantics of the specification. The best approach to foster this understanding and reduce misinterpretations is to force specification writers to utilize disciplined and well-defined templates, ... responsible for the life span of the requirement. The owner takes care that the requirement is carried along the project and that the actions taken in the project comply with fulfilling the requirement....

Ngày tải lên: 21/06/2014, 05:20

... 3π/2, −−→ r i+1 = ⎧ ⎪ ⎪ ⎪ ⎪ ⎪ ⎪ ⎨ ⎪ ⎪ ⎪ ⎪ ⎪ ⎪ ⎩ −−−→ PC i−1 + −→ r i 2 , π 2 <arccos  −−→ POI· −−−−→ PCINR | −−→ POI· −−−−→ PCINR|  ≤ 3π 2 , −−→ PC i + −→ r i 2 , − π 2 <arccos  −−→ POI· −−−−→ PCINR | −−→ POI· −−−−→ PCINR|  ≤ π 2 , (22) where → r is the vector of the aiming point, → a s is the vector of SPP, −−→ POI is the vector of POI, −−→ PC i is the vector of the peak carrier value, and −−−−→ PCINR is the vector of the peak CINR ... illustrates the tradeoff between pointing accuracy and convergence time. To assess performance, we look at the special effects of the scheme using a contour plot. These are shown in Figure 7. The green circles ... performance of this scheme relies on the fact that the CNR and CINR can be Z. Peng and D. Grace 3 evaluated at different points on the service area. The CINR of both HAP and terrestrial test users can...

Ngày tải lên: 21/06/2014, 23:20

... maintaining the spacecraft within the specified orbit. The science applications are responsible for collecting science data, compressing and storing the data, and transmitting the stored data to the ground ... measured using SLOCCount (www.dwheeler.com/sloccount/). 5.3. Evaluation of RACE’s scalability Sections 4.1.2 and 4.1.6 claimed that the hierarchical design of RACE’s monitors and effectors enables RACE ... Resource Monitor collects resource utilization metrics of a speci c resource, such as CPU or memory. A QoS Monitor collects speci c QoS metrics of an application, such as end-to-end latency or throughput....

Ngày tải lên: 22/06/2014, 00:20

... in each of these cases. These accelerators have been designed using gen- eral low-energy desig n approaches both at the algorithmic and architectural levels. An application-speci c instruction ... systematic approach to de- sign of low power video codec cores”, describe how a memory and communication-centric design methodology can be tar- geted to the development of dedicated cores for embedded systems. ... some novel hardware accelerator architectures for the most computa- tionally demanding algorithms of MPEG-4 encoding, name- ly motion estimation and the forward/inverse discrete-cosine transforms,...

Ngày tải lên: 22/06/2014, 19:20

... recent Interrupt Controller chips—such as the I/O Advanced Pro- CPU0 Loc-APIC 0 CPU1 Loc-APIC 1 CPU2 Loc-APIC 2 CPU3 Loc-APIC 3 I/O-APIC Disk Net User device Figure 5: A SMP using Intel IO-APIC. grammable ... the 2 Actually, the first command could be omitted in this case, because issu- ing either the second command or the third one will implicitly shield the target CPU. Table 1: Characteristics of the test ... instance, in the Intel processors this compo- nent is called Local APIC. This internal controller receives the signals coming from the external Interrupt Controllers and sends them to the CPU core,...

Ngày tải lên: 22/06/2014, 19:20

... embedded computers are physically located within some larger device or casing. Therefore, their shape and size may be dictated by the space available and the connections to the mechanical components. ... Bachelor of Science in Electrical Engineering Bachelor of Science in Computer Engineering Spring 2009 25 systems. Factors such as efficiency and cost are major concerns for users of the ... the embedded system, but also the trends at the chip level. The decisions made by the designer impact the future of the embedded system being designed. Choosing the processors and architecture...

Ngày tải lên: 27/06/2014, 00:20