Downloading the Hex Code into the PIC Microcontroller

The following steps are required to download your code (now stored as a .hex file) into the pic. Please observe proper handling of static sensitive parts in this project.

• Connecting the programmer to a computer. You may use a Picstart + or a Warp 13 programmer.
  • plug into serial port of the computer
  • Warning: Do Not Connect power to the programmer when a PIC is installed. Damage to the PIC may result. (Always put the chip into the programmer after power has been applied.)
  • plug into power
  • install PIC into the Zif socket. Install the top of the Pic (indicated by the dot) at the top of the Zif socket (the end with the handle).
• Open MP Lab software on a pc and complete the following steps.
  • 1.0 Open your Project - Menu Project, select Open Project
    • change to the H drive (central server) and locate your project directory
    • select your project file

• Click ok

• 2.0 Enable the Programmer - Menu Picstart Plus, Select Enable Programmer
• 3.0 Set the Configuration Bits
  • Oscillator select XT (crystal)
  • Watchdog Timer select OFF
  • Power Up timer leave OFF
  • Code Protect leave OFF (this is important)

• Program the Pic

• Check that Device is PIC16F84A if it is not make it so.
• Click on Erase Flash Device
• Click on Program
• Click on Verify

• Remove Pic from the programmer. You are finmished.