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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 ...
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PIC18F PINOUT

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Vdd(Vcc) Two pins are used to provide supply voltage to the chip.The typical voltage source is +5V DC. Vss(GND) Two pins are also used to for ground. OSC1 & OSC2 The PIC18F has many options for the Clock source.Most often a quartz crystal controller is connected to input OSC1 & OSC2.The quartz crystal oscillator connected to the OSC1 & OSC2 pins also needs two capacitors.One side of each capacitor is connected to the the ground as shown in figure below: PIC18F microcontroller can have speeds of up to 40 MHz. Easy Programming  PICKIT3.5 PIC KIT3.5 PICKIT MCLR Pin1 (in the PIC18F4548 40-pin DIP) is the MCLR (master clear reset) pin. It is an input and is active-Low (normally High),When a low pulse is applied to this pin,the microcontroller will reset and terminate all activities.This is often referred to as a power-on reset (POR). Port A, B, C, D & E The Ports PORTA, PORTB, PORTC, PORTD, and PORTE use a total ...
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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...
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