the 8051 microcontroller hardware software and interfacing

Ngày tải lên: 04/10/2013, 19:10

... that the code for the CPU to move a value to register A is B0H and the code for adding a value to register A is 04H The action to be performed by the CPU is to put 21H into register A, and then ... computing needs of the task at hand efficiently and cost effectively ắ Speed ắ Packaging ắ Power consumption ắ The amount of RAM and ROM on chip ắ The number of I/O pins and the timer on chip ắ ... is put on the address bus and the code is fetched into the CPU, decoded, and executed  This code is again adding a value to register A  The program counter is updated to 1406H 6. ắ The contents...

Ngày tải lên: 20/01/2014, 03:20

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

... points to the start of the interrupt handler. After the interrupt handler code is finished (5 in Fig. 1.8), the hardware interrupt has been acknowledged and the hardware reset to request another interrupt ... you to leave them in circuit and not have to pull them out to erase them and then reprogram them. They also give a new dimension to products allowing them to be reprogrammed in the field. I should ... electronics and programming, although my use of them is specific to microcon- trollers and the PIC microcontroller. Application The hardware circuit and programming code used to make up a microcontroller...

Ngày tải lên: 20/02/2014, 17:20

... analog and digital power and ground planes, and of designing multilayer PCBs the employers are rather severe about those issues. On the other hand the employers are also quite right, because the ... clock pulse, and a firmware program. The terms microcontroller and “microprocessor” refer to the same thing. The difference between the two is, a microcontroller is—generally, and not necessarily—a ... H4 the nets take the names of the port symbols I used, and they are not assigned default values. That is the best method of wiring the schematic, and it also allows for a cleaner design, and...

Ngày tải lên: 03/04/2014, 12:22

Ngày tải lên: 01/06/2014, 12:31

... scenario of hardware/ software codesign pro- vides a great improvement in the embedded system design and implementation. To cope effectively and timely with the new challenges, the new and more sophisticated ... of algorithms onto hardware and processor spaces, indicating the changes in codesign flow due to the introduction of new, reconfigurable hardware platform. Using this platform, the designer faces ... requirements. The special issue on “Reconfigurable Computing and Hardware/ Software Codesign” addresses the advances in re- configurable computing architectures, in algorithm imple- mentation methods, and...

Ngày tải lên: 22/06/2014, 00:20

... migration between software and hardware. Finally, the paper describes an implementation of an embedded, FPGA-based migration system; the empirical data are obtained for use in mathematical and algorithmic modelling ... framework is built using compilation and high- level synthesis techniques. As a proof of the concept, a 3G mobile communication application has been implemented and the VLSI design of a 0.13 µm CMOS ... energy ef- ficiency. The paper presents the DART architecture, which supports two modes of reconfiguration: fine-grained and functional level, to achieve the optimized solutions. The compilation framework...

Ngày tải lên: 22/06/2014, 05:20

... in the text. These terms are often used in electronics and programming, although my use of them is specific to microcon- trollers and the PIC microcontroller. Application The hardware circuit and ... you to leave them in circuit and not have to pull them out to erase them and then reprogram them. They also give a new dimension to products allowing them to be reprogrammed in the field. I should ... in a microcontroller is half the battle in understanding how they are used; along with changing the function of an I/O pin, they may also require other features (such as a timer or the microcontroller s...

Ngày tải lên: 12/08/2014, 23:21

... to use them. The two statement types that are required for an application are the PIC microcontroller instructions and the directives. The instructions are the application itself, and the end directive ... at the number of new developers I meet who do not understand the value of simulation; they often write their code, build the applications, program the PIC microcontrollers, plug them into the ... developer with the addresses of the PIC microcontroller hardware registers, along with some other parameters, in the same format as the documentation. Usually, when the programmer-defined hardware reg- ister...

Ngày tải lên: 12/08/2014, 23:21

... of the register banks. The I/O hardware registers consist of the OPTION, TMRO, PORT, I/O PINS and enable registers, INTCON, and other interrupt control and flag registers, along with any other hardware ... element) within it is the Index. When specifying the array variable and element in the PIC microcontroller, the offset to the start of the array variable has to be added to the element number to get the register address ... pushed into the stack. The value pushed onto the stack is not the address of the call instruction but the address of the instruction after the call—which is the return address for the sub- routine....

Ngày tải lên: 12/08/2014, 23:21

Ngày tải lên: 12/08/2014, 23:21

Ngày tải lên: 12/08/2014, 23:21

Ngày tải lên: 12/08/2014, 23:21

Ngày tải lên: 12/08/2014, 23:21

Ngày tải lên: 12/08/2014, 23:21

Ngày tải lên: 12/08/2014, 23:21

Ngày tải lên: 11/03/2015, 07:58