the 8051 microcontroller and embedded systems mazidi ppt

... arithmetic and logic calculations in the CPU 30 Address, control and data Instructor’s Manual for “The PIC Microcontroller and Embedded Systems” 7 CHAPTER 1: THE PIC MICROCONTROLLERS: HISTORY AND FEATURES ... accessing (addressing) the code With the use of four buses and separate accessing systems to data and code, none of them can get in the other's way and slow down the system 86 Large number of CPU ... instruction The first 16-bit is the op-code and the source address and the second 16-bit is op-code and the destination address In each 16-bit, 12 bits are set aside to determine the address

Ngày tải lên: 07/10/2021, 12:22

... relationship between the Kahn processes and channels in the application model and the virtual proces-sors and buffers in the mapping layer The only difference is that the buffers in the mapping layer ... 4where f1 is the maximum processing time, f2 is the totalpower consumption, f3is the total cost of the system The functionsgiare the constraints, and x∈ Xf are the decision variables These variables ... the inherent task-level parallelism available in the application and makes the com-munication explicit Furthermore, the code of each Kahn process is instrumented with annotations describing the

Ngày tải lên: 22/06/2014, 19:20

... than 1 and hCt [69] Therefore, the Table 1 Summary of the results of the CD studies, the receptor binding affinities, and the hypocalcemic potencies in vivo of hCt, sCt, analogues 1–6 and/or the ... 16–22) and the amide chromophores [44,45] This suggestion was further supported by the observation that the intensity of the 220 band, that most likely corresponds to the phenylalanyl La band [42,45], ... biodegrada-bility of the ligand [9,10,68] The analogues 2–6 presented here differ from 1 and hCt only in the chirality of residues 19 and/or 18 and/or the presence of Aib instead of Lys18 Thus, these analogues

Ngày tải lên: 31/03/2014, 21:21

... rushed the kids next door and called the cops The thieves had made off with an expensive haul of brand-new computers, including the server that hosted the VCS and other criti- cal files The most ... two per team) into the Code Inspection The Trainee Trang 3118 THE ART OF DESIGNING EMBEDDED SYSTEMS then gets a deep look inside the company’s code, and an understanding of how the code operates ... compile (and Lint if used) and sends it back to the Moderator Follow-up-The Moderator checks the reworked code Once the Moderator is satisfied, the inspection is formally complete and the code

Ngày tải lên: 18/04/2014, 12:25

... 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 ... Together the profile and the report generator tool form the meta-model prototyping environment The report generator plug-in is used to process the created model developed with the profile and automatically ... phases are to discover the key abstractions and relationships of the target domain and to form a meta-model of the problem The idea is to identify the concepts that simplify the modeled reality

Ngày tải lên: 21/06/2014, 05:20

... RACE scales as well as the number of ap-plications and nodes in the system increases, and therefore can be applied to a wide range of open DRE systems The remainder of the paper is organized ... HySUCON [11], and FMUF [12], thereby enabling open DRE systems to adapt to changing operational context and variations in resource availability and/or demand Based on the control algorithm they im-plement, ... system resources and QoS of the applications and periodically update the Controller with the current resource utilization and QoS of applications cur-rently running in the system The Controller

Ngày tải lên: 22/06/2014, 00:20

... 3.8 illustrates the structure of the HES at the input of the chan-nel C of the example shown in Figure 3.7 The HSC combines the output streams of the tasks Taand Tb, resulting in the hierarchical ... Using the mathematicalproperties of the functions describing the performance metrics, one can showthe dependency between the values of the system properties specified in theinput model and the ... input stream of the communication task C According to the properties and the configuration of the communication layer that is modeled by the HSC, the inner and outerevent streams of the HES are calculated

Ngày tải lên: 02/07/2014, 15:20

... to the parameters spec-ified in a task code and in the architecture information file; they specify thebase address for the HW interface data structure and the input and outputport names of the ... processors Then,all processors concurrently execute the parallel region The master proces-sor synchronizes all the processors at the end of the parallel loop and col-lects the results from the worker ... write anddebug the interfacing code with IDCT HW IP, without and with the inter-rupt controller, respectively The sizes of the interface without and with theinterrupt controller were 14 and 48

Ngày tải lên: 02/07/2014, 15:20

... point-to-point link synthesis, 623, 626–630 performance metrics and specification sets, 630–631 power analysis, 634–638 simulation and synthesis, 622–623, 624–625 simulation conditions, 632 synthesis procedures, ... abstraction, 403–404 autonomous linear systems, 398 finite syntactic representation, 397–398 linear inequalities, 397 linear systems, 398–401 nonlinear systems, 401–403 nontrivial differential ... flow, 610–611 system-level and physical-level phases, 611–612 UML/XML implementation, 618–622 several economic sectors, 604 silicon and system complexity, 604, 606 systems on chip (SoC), 603–604

Ngày tải lên: 02/07/2014, 15:20

... is used for the processing of the tasks The threads are created at program start by the main thread and they are terminated not before all tasks have been pro-cessed For the threads, the task pool ... data blocks To perform the gather, each processor explicitly calls a gather operation and speci-fies the local data block provided as well as the rank of the root processor The root processor additionally ... stored in the local memory of another processor The actual data exchange is realized by the transfer of messages between the participating processors The corresponding programming models are therefore

Ngày tải lên: 03/07/2014, 16:20

... size n, and ADD denotes the reduction operation. The last parameter is 1 and means that processor P 1 is the root processor of the operation, which stores the result of the addition into the array ... operation, the global array c contains the values c[i+(k-1) * n/p]=local c[i] for i = 0, ,n/ p − 1 and k = 1, , p, i.e., the array c contains the values of the local vectors in the order of the processors ... completion of the operation, the receive buffer of each processor contains the data blocks gathered from the other processors in rank order. Section 4.3.1 considers the implementation of these global

Ngày tải lên: 03/07/2014, 16:20

... Programming The methodyield()is a directive to the Java Virtual Machine (JVM) to assign another thread with the same priority to the processor If such a thread exists, then the scheduler of the JVM ... of the program The return value specifies the num-ber ofThreadobjects collected in the parameter arrayth array The method activeCount()returns the number of active threads in the program The ... new object, the size of the array will be increased by allocating a larger array and using the methodarraycopy()from thejava.lang.Systemclass to copy the content of the old array into the new array

Ngày tải lên: 03/07/2014, 16:21

... Trang 5p 270 The main difference lies in the fact thatwait()andnotify()are pro-vided by the general Objectclass Thus, the mechanism is implicitly bound to the internal mutex variable of the object ... further processing The producer can only store objects in the buffer, if the buffer is not full The consumer can only retrieve objects from the buffer, if the buffer is not empty The actual buffer ... Each of the threads created in the constructor ofProcessItexecutes the three phases 6.2.3.4 Condition Variables The mechanism provided bywait()andnotify()in Java has some similarities to the synchronization

Ngày tải lên: 03/07/2014, 16:21

... 13 Overview 14 The scheduler data structure and task array 15 The size of the task array 16 One possible initialisation function: 17 IMPORTANT: The ‘one interrupt per microcontroller rule! 18 The ‘Update’ ... 139 Detecting network and node errors 140 Detecting errors in the Slave(s) 141 Detecting errors in the Master 142 Handling errors detected by the Slave 143 Handling errors detected by the Master 144 Enter ... implications 35 What is the CPU load of the scheduler? 36 Determining the required tick interval 38 Guidelines for predictable and reliable scheduling 40 Overall strengths and weaknesses of the scheduler...

Ngày tải lên: 13/12/2013, 11:15