Usbpicprog – Free open source USB Microchip PIC programmer

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Usbpicprog is an USB in circuit programmer for Microchip PIC processors family PIC10F, PIC12F, PIC16F, PIC18F, PIC24F, PIC32F and I2C Eeprom 24xx. The hardware is as simple as possible, the current version only contains one PIC18F2550, 4 mosfets, and besides the connectors a hand full of passive components.

Usbpicprog consists of three main components:

  • Hardware – A PCB design which contains the necessary components to interface from the USB port to a Microchip ICSP (in circuit serial programming) header.
  • Firmware– The software that runs on the processor on the PCB. It contains the USB framework, and high and low level functions for PIC in circuit programming.The firmware can also be divided into two parts:
    • The bootloader (Microchip Picdem bootloader) has to be loaded only once, after that this part of the firmware can be upgraded through the usbpicprog interface.
    • The usbpicprog part of the firmware contains the actual programming algorithms for all the implemented PIC devices.
  • PC software – A wxWidgets based (cross platform) application to communicate with the usbpicprog hardware / firmware. This application is known to function well on Linux, Windows (XP or later) and Macosx.


Schematic – usb pic programmer – Usbpicprog

Usb Pic Programmer Hardware Schematic Circuits, Download, Electronic Software, Linux, Mac, Microchip, Microcontroller, Pic Usbpicprog - Free Open Source Usb Microchip Pic Programmer

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The hardware is built around a microchip PIC18F2550, this microcontroller has on board USB capabilities. The schematic and PCB have been designed in Kicad, an open source EDA solution
The PCB files are available in Gerber format and the schematic in pdf in the download section so that you can open them with your favorite tool.

Usb Pic Programmer Hardware Pcb Circuits, Download, Electronic Software, Linux, Mac, Microchip, Microcontroller, Pic Usbpicprog - Free Open Source Usb Microchip Pic Programmer


The code for the PIC18F2550 has been written using Microchip C18. It was based on the PicDem USB stack from Microchip. The data is sent in blocks through interrupt read /write and the programming functions are implemented in firmware.

The Code For The Pic18F2550 Has Been Written Using Microchip C18. It Was Based On The Picdem Usb Stack From Microchip. The Data Is Sent In Blocks Through Interrupt Read /Write And The Programming Functions Are Implemented In Firmware

PC Software

The Code For The Pic18F2550 Has Been Written Using Microchip C18. It Was Based On The Picdem Usb Stack From Microchip. The Data Is Sent In Blocks Through Interrupt Read /Write And The Programming Functions Are Implemented In Firmware

Usbpicprog is capable of opening .hex files from any compiler / toolchain. The PC application communicates to the usbpicprog hardware in order to burn the hex file into the target device. The application can be used within Linux, Windows and Mac.
Besides controlling the hardware of usbpicprog, also the PICDem FS USB bootloader (from Microchip) has been implemented in order to update usbpicprog’s own firmware. Of course the application can be used to communicate with any PIC which has this bootloader installed.
The PC application uses the wxWidgets toolkit and libusb, these two libraries have been chosen for their cross-platform support.
The usbpicprog application has two interfaces, a (wxWidgets) GUI and a command line interface in order to program a device from within any other application or IDE.

Chip list support, current version PCB (v0.3.2) and software (0.4.2):

PIC10F200, PIC10F202,PIC10F204, PIC10F206, PIC10F220, PIC10F222.

PIC12F508, PIC12F509, PIC12F609, PIC12F615, PIC12F617, 12HV609, 12HV615, PIC12F629, PIC12F635, PIC12F675, PIC12F683.

PIC16F1826, PIC16LF1826, PIC16F1827, PIC16LF1827, PIC16F1847, PIC16LF1847, PIC16F54, PIC16F57, PIC16F59, PIC16F610, PIC16HV610, PIC16F616, PIC16HV616, PIC16F627, PIC16F627A, PIC16F628, PIC16F628A, PIC16F630, PIC16F631, PIC16F636, PIC16F639, PIC16F648A, PIC16F676, PIC16F677, PIC16F684, PIC16F685, PIC16F687, PIC16F688, PIC16F689, PIC16F690, PIC16F716, PIC16F72, PIC16F73, PIC16F737, PIC16F74, PIC16F747, PIC16F76, PIC16F767, PIC16F77, PIC16F777, PIC16F785, PIC16HV785, PIC16F818, PIC16F819, PIC16F84A, PIC16F87, PIC16F870, PIC16F871, PIC16F872, PIC16F873, PIC16F873A, PIC16F874, PIC16F874A, PIC16F876, PIC16F876A, PIC16F877, PIC16F877A, PIC16F88, PIC16F882, PIC16F883, PIC16F884, PIC16F886, PIC16F887, PIC16F913, PIC16F914, PIC16F916, PIC16F917, PIC16F946.

PIC18F242, PIC18F248, PIC18F252, PIC18F258, PIC18F442, PIC18F448, PIC18F452, PIC18F458, PIC18F1220, PIC18F1320, PIC18F13K22, PIC18LF13K22, PIC18F14K22, PIC18LF14K22, PIC18F2220, PIC18F2221, PIC18F2320, PIC18F2321, PIC18F23K22, PIC18LF23K22, PIC18F2331, PIC18F2410, PIC18F24J10, PIC18F24J11, PIC18F24J11, PIC18F2420, PIC18F24K22, PIC18LF24K22, PIC18F2423, PIC18F2431, PIC18F2439, PIC18F2450, PIC18F24J50, PIC18LF24J50, PIC18F2455, PIC18F2458, PIC18F2480, PIC18F2510, PIC18F25J10, PIC18F25J11, PIC18LF25J11, PIC18F2515, PIC18F2520, PIC18F25K22, PIC18LF25K22, PIC18F2523, PIC18F2525, PIC18F2539, PIC18F2550, PIC18F25J50, PIC18LF25J50, PIC18F2553, PIC18F2580, PIC18F2585, PIC18F2610, PIC18F26J11, PIC18LF26J11, PIC18F26J13, PIC18F2620, PIC18F26K22, PIC18LF26K22, PIC18F26J50, PIC18LF26J50, PIC18F26J53, PIC18F2680, PIC18F2682, PIC18F2685, PIC18F27J13, PIC18F27J53, PIC18F4220, PIC18F4221, PIC18F4320, PIC18F4321, PIC18F43K22, PIC18LF43K22, PIC18F4331, PIC18F4410, PIC18F44J10, PIC18F44J11, PIC18LF44J11, PIC18F4420, PIC18F44K22, PIC18LF44K22, PIC18F4423, PIC18F4431, PIC18F4439, PIC18F4450, PIC18F44J50, PIC18LF44J50, PIC18F4455, PIC18F4458, PIC18F4480, PIC18F4510, PIC18F45J10, PIC18F45J11, PIC18LF45J11, PIC18F4515, PIC18F4520, PIC18F45K22, PIC18LF45K22, PIC18F4523, PIC18F4525, PIC18F4539, PIC18F4550, PIC18F45J50, PIC18LF45J50, PIC18F4553, PIC18F4580, PIC18F4585, PIC18F4610, PIC18F46J11, PIC18LF46J11, PIC18F47J13, PIC18F4620, PIC18F46K22, PIC18LF46K22, PIC18F46J50, PIC18LF46J50, PIC18F46J53, PIC18F4680, PIC18F4682, PIC18F4685, PIC18F46J53, PIC18F65K22, PIC18F6525, PIC18F6527, PIC18F65K90, PIC18F6622, PIC18F66K22, PIC18F6621, PIC18F6627, PIC18F6628, PIC18F66J60, PIC18F66J65, PIC18F66K90, PIC18F67K22, PIC18F6722,PIC18F6723, PIC18F67J60, PIC18F67K90, PIC18F85K22, PIC18F8525, PIC18F8527, PIC18F85K90, PIC18F85J50, PIC18F8621, PIC18F8622, PIC18F86K22, PIC18F8627, PIC18F8628, PIC18F86J60, PIC18F86J65, PIC18F86K90, PIC18F87K22, PIC18F8722, PIC18F8723, PIC18F87J60, PIC18F87K90, PIC18F96J60, PIC18F96J65, PIC18F97J60.

PIC24F04KA200, PIC24F04KA201, PIC24F08KA101, PIC24F08KA102, PIC24FJ16GA002, PIC24FJ16GA004, PIC24F16KA101, PIC24F16KA102, PIC24FV16KA301, PIC24FV16KA302, PIC24FV16KA304, PIC24FJ32GA002, PIC24FJ32GB002, PIC24FJ32GA004, PIC24FJ32GB004, PIC24FJ32GA102, PIC24FJ32GA104, PIC24FV32KA301, PIC24FV32KA302, PIC24FV32KA304, PIC24FJ48GA002, PIC24FJ64GB002, PIC24FJ48GA004, PIC24FJ64GB004, PIC24FJ64GA002, PIC24FJ64GA004, PIC24FJ64GA006, PIC24FJ64GA008, PIC24FJ64GA010, PIC24FJ64GA102, PIC24FJ64GA104, PIC24FJ64GB106, PIC24FJ64GB108, PIC24FJ64GB110, PIC24FJ128GA006, PIC24FJ128GA008, PIC24FJ128GA010, PIC24FJ128GA106, PIC24FJ128GB106, PIC24FJ128GA108, PIC24FJ128GB108, PIC24FJ128GA110, PIC24FJ128GB110, PIC24FJ192GA106, PIC24FJ192GB106, PIC24FJ192GA108, PIC24FJ192GB108, PIC24FJ192GA110, PIC24FJ192GB110, PIC24FJ256GA106, PIC24FJ256GB106, PIC24FJ256GA108, PIC24FJ256GB108, PIC24FJ256GA110, PIC24FJ256GB110.

dsPIC30F1010, dsPIC30F2010, dsPIC30F2011, dsPIC30F2012, dsPIC30F2020, dsPIC30F2023, dsPIC30F3010, dsPIC30F3011, dsPIC30F3012, dsPIC30F3013, dsPIC30F3014, dsPIC30F4011, dsPIC30F4012, dsPIC30F4013, dsPIC30F5011, dsPIC30F5013, dsPIC30F5015, dsPIC30F5016, dsPIC30F6010A, dsPIC30F6010, dsPIC30F6011A, dsPIC30F6011, dsPIC30F6012A, dsPIC30F6012, dsPIC30F6013A, dsPIC30F6013, dsPIC30F6014A, dsPIC30F6014, dsPIC30F6015.

I2C Eeprom
24XX00, 24XX01, 24XX02, 24XX04, 24XX08, 24XX16, 24XX32, 24XX64, 24XX128, 24XX256, 24XX512, 24XX1025

Download files from the programmer Usbpicprog:

Download software for Linux 32 e 64 bits
Download software for Linux

Download software MAC an Windows 32 e 64 bits
Download software for Windows, Mac

Download the firmware for the PIC18F2550
Firmware PIC18F2550

Download the source code of the project
Download Source Code

Download Hardware design, PCB Layout and Diagrams Schematics
Download Schematics


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