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PIC programmer using PIC16F84A Microcontroller

Essential when experimenting with PIC. Programs PIC16Fxxx and PIC18Fxxxx series (8, 18, 28 and 40 pins) 16F84A, 16F877A, 18F452 (DIL and PLCC) tested...

Tags: #pic16f84a#programmer
Ibrar Ayyub By Ibrar Ayyub
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At a glance

CategoryProgrammers & ICSP
PIC modelPIC16F84A
Reading time~2 min

Summary of PIC programmer using PIC16F84A Microcontroller

This article details a versatile PIC programmer capable of handling various PIC16F and PIC18F series microcontrollers (including 8, 18, 28, and 40-pin models) as well as 24LCxx EEPROMs. It supports programming via IC-Prog software through the printer port or PICPgm software for auto-detection. The project utilizes Eagle 4.11e for schematic and PCB design and mentions compatibility with bootloader programming for specific chips like the 16F877 and 18F4550.

Parts used in the PIC Programmer:

  • PIC16F84A Microcontroller
  • PIC16F877A Microcontroller
  • PIC18F452 Microcontroller
  • PIC18F4550 Microcontroller
  • 24LCxx EEPROMs
  • Printer Port (RS232)
  • Eagle 4.11e Software
  • Tiny PIC Bootloader
  • 44-pins PLCC-socket Adapter
  • 40-pins DIL Output Connector

Essential when experimenting with PIC.

Programs PIC16Fxxx and PIC18Fxxxx series (8, 18, 28 and 40 pins)

  • 16F84A, 16F877A, 18F452 (DIL and PLCC) tested successfully with the IC-Prog software.

  • 18F4550 (DIL) works fine with the PICPgm programmer software.

Also programs EEPROMs (8 pins) type 24LCxx with the IC-Prog software.

Follow the software configuration steps below to insure correct functioning..

Schematic and PCB (Eagle) available for download. This page was last updated on August 24, 2005.

PIC programmer

Software:

PIC and EEPROM programming can be done with IC-Prog through the printer port (RS232).

Make sure you have these settings in IC-Prog:

The PICPgm programmer software needs no settings. It even auto-detects the PIC!

Tools:

Check out our development tools page.

When working with a 16F877,  18F452, 18F2550 or a 18F4550, prototype programming with a bootloader can be done with the excellent Tiny PIC bootloader, through the RC6 & RC7 pins. But, you will need this PIC programmer to write the PIC the first time with... there are some bootloader HEX-files available below.

Eagle 4.11e was used for the schematic & PCB layout. 

PLCC is also possible! Just build a small adapter-pcb with a 44-pins PLCC-socket and a 40-pins DIL output... only 5 wires are needed!

For more detail: PIC programmer using PIC16F84A Microcontroller

  • Which PIC series does this programmer support?
    It programs PIC16Fxxx and PIC18Fxxxx series including 8, 18, 28, and 40 pin variants.
  • Can I program EEPROMs with this device?
    Yes, it programs 8-pin type 24LCxx EEPROMs using IC-Prog software.
  • How do I connect the programmer to the computer?
    PIC and EEPROM programming is done through the printer port (RS232).
  • Does the PICPgm software require manual configuration?
    No, the PICPgm programmer software needs no settings and auto-detects the PIC.
  • What tools were used to create the schematic and PCB?
    Eagle 4.11e was used for the schematic and PCB layout.
  • Is it possible to use PLCC packages?
    Yes, you can build a small adapter-pcb with a 44-pins PLCC-socket and a 40-pins DIL output.
  • How many wires are needed for the PLCC adapter?
    Only 5 wires are needed for the adapter connection.
  • Can I use a bootloader for prototype programming?
    Yes, you can use the Tiny PIC bootloader through RC6 and RC7 pins for specific chips.
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Ibrar Ayyub

Ibrar Ayyub

I am an experienced technical writer holding a Master's degree in computer science from BZU Multan, Pakistan University. With a background spanning various industries, particularly in home automation and engineering, I have honed my skills in crafting clear and concise content. Proficient in leveraging infographics and diagrams, I strive to simplify complex concepts for readers. My strength lies in thorough...