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Within the Microelectronics centre we support the following microcontrollers 68HC11, 80C51 and the PIC16C5xx series; we have a set of software tools and emulators to help debug high and low level software /hardware designs. Within the demonstration we shall see a elementary program to chase lights on a parallel port (The knight rider car). The code is available in machine code and C as shown later. You will see the use of the compiler and assembler (IAR program) on a 68HC11 target machine. C code Program void main() { /* Author Mr James Mc Carren Date : 1 st March 1996 Fuctions used : delay Purpose : To Chase lights on port A Target : 68HC11 microcontroller Version : 1.0 Modifications : None */ unsigned char *Paddr,*Padr; unsigned char data; int x,i,del; /* Declare the port a pointers */ Padr = (unsigned char *)0x0; Paddr = (unsigned char *)0x1; /* Port A all outputs */ *Paddr =0xff; for(;;) { data = 0x1; for (i=0;i<=7;i++) /* Shift 8 times */ { for (del = 0;del<=0x3fff;del++); /* Very long delay */ *Padr = data< } } }
Put an "X" next to any of the following that are RISC CPU characteristics that show diffrence between RISC from CISC a) has limited addressing modes b) used in Motorola 6000 pro
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Vector Processing A vector is an ordered set of the similar type of scalar data items. The scalar item can be a floating point number, a logical value or an integer. Vector pr
What is Electronic Data Interchange? Electronic Data Interchange (EDI): It is used by organizations for transactions which arise on regular basis to a pre-found format.
Differentiate between WML-Script and Web-based scripting languages. WML Script is a lightweight procedural scripting language, optimized for small-memory, low-power CPU wireles
explan volage triper and voltage quadrupler.
A system utility that comes with Windows that permits the use to change a variety of dissimilar Windows and system settings.
Why use a DTD ( Document Type Definition )? XML gives an application independent method of sharing data. Along with a DTD, independent group of people can agree to employ a com
Explain ISDN Addressing with a example. A sub address, though a part of the ISDN address, is not seems as an integral part of the numbering scheme. Sub-address is carried in a
Security Analysis: Suppose you are a young securities analyst, working in a small brokerage firm. You have access to publicly available information relevant to valuation of th
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