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How to use SPI Debugger

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  SPI Debugger Hi Friends, in this post, we will discuss how to use SPI Debugger available in proteus for serial peripheral interface (SPI) which is a built-in feature of PIC microcontroller to communicate and data exchange between PIC and other devices. SPI Debugger Introduction to SPI Guys, SPI can be considered as a programmable shift  register, The SPI module is a synchronous serial I/O port that shifts a serial bit stream of variable length and data rate between the PIC and other peripheral devices. Here “synchronous” means that the data transmission is synchronized to a clock signal. To avoid further delay, let's see some important connections and different configurations to effectively use SPI Debugger. How to use SPI Debugger in MASTER & SLAVE configuration Select the virtual instrument and from the instrument, list selects "SPI Debugger". SPI Debugger Insert two SPI Debugger on the working area, select any one of them,
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PIC18f4580 Timer0 calculation using miKroC , CSS and proteus

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PIC18f4580 TIMER PROGRAMMING The PIC18f4580 has four timers. they're named as Timers zero, one, two, and three. they will be used either as timers to come up with a time delay or as counters to count events happening outside the microcontroller. First, we see however Timers zero is employed to come up with time delays. Every timer wants a clock pulse to tick. The clock supply will be internal or external. If we have a tendency to use the inner clock supply, then 1/ fourth of the frequency of the crystal oscillator on the OSC1 and OSC2 pins (Fosc/4) is fed into the timer. Therefore, it's used for time delay generation and for that reason is termed a timer. By selecting the external clock choice, we have a tendency to feed pulses through one among the PIC18's pins: this is often known as a counter. GIF  taken from  https://exploreembedded.com Basic registers of the timer Majority of t timers in 18F are 16 bits wide. Because the PIC 18 has an 8- bit ar
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Frequency Counter using Interrupts PIC18f4580 Project

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Frequency Counter  using PIC18f458 0 Proje ct This POST describes the construction of small frequency counter with a cheap PIC18f4580 microcontroller with 16 x 2 LCD.   Prerequisites: PIC18F4580 TIMER Programming. PIC18F4580 COUNTER Programming. PIC18F4580 Interfacing with 16x2 LCD. PIC18F4580 Interrupts Programming  ( we will cover in this POST) Concept: Frequency  is the number of occurrences of a repeating event per unit time. in our case we will measure a number of clocks generated by clock source per unit time. In this project, LCD is used to display the frequency and PIC timer 1 to measure the input signal and Timer0 to generate an indication that one second has gone. System software utilizes Timer-1 in the 16-bit counter mode to count the input signal and overflows of the counter are added to provide the aggregate count in multiples of 65536. Totaling the existing value of the counter at the conclusion provides the full count.
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