It uses a ft245bl chip from ftdi.
Simple usb pic programmer circuit.
Bc547 transistor pin configuration using ic base for pic connect the pic programmer to 1st or 2nd com port of computer by using rs232 wire.
Usb put packet 1 out data 4 usb dts toggle.
Connect the programmer to the pc with a male male a type usb cable.
Open the openprog exe and make sure that programmer is detected.
By using this usb pic programmer you can program microchip pic series of 10f 12f 16f 18f 24f 30f.
Usb mouse using pic18f4550 video.
Usbpicprog is an usb in circuit programmer for microchip pic processors.
The device is seen as a generic one.
Than slowly indicating that the connection phase is completed.
Connect usb b connector cable to the programmer and connect to the pc.
I have used a very nice programmer software called win pic programmer you can download it from.
Open devices and select the device which is to be programmed.
Following ujdm pic programmer circuit is a circuit which suitable to do simple pic16f84 pic16f84a 16c84 16f628 group programmer.
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.
This is also an eeprom programmer as it supports 12cxx eeprom.
The picpgm usb programmer is a low voltgage in system programmer.
Press the green arrow in the top to read the device.
The picpgm software uses the bit bang mode feature of the ft245bl to contol the pic programming pins.
The programmer is powered from the serial port itself so there s no need to any external power supply.
This chip provides a parallel io port via usb.
The main component of this pic microcontroller programming circuit is a pic182550 microcontroller which controls the overall circuit.