Interfacing a usb flash drive to a pic microcontroller by fred dart future technology devices international ftdi usb interfaces are everywhere today with low cost flash memory drives and all . You can search interface ic content or ask technical support questions on everything from esd protection to interfacing with usb ethernet and hdmi find the right solution for your circuit design challenges by using our ti e2etm support forums that are supported by thousands of contributing ti experts. We chose the atmega32u2 because we can program it through usb and it is reasonably easy to solder at home in this third part of the microcontroller tutorial we are going to design our circuit from scratch so we need to design a schematic diagram with all the components and connections necessary to make our circuit work lets build this thing. Usb circuit development made easy it doesnt have to be hard to make usb circuits the atmega32u4 wil simplify your life . Usb interfacing with pic microcontroller the purpose of this article is to build concept about usb interface to the pic microcontroller programmer is used just first time for loading the code in microcontroller and after that we can directly load the code in microcontroller through this simpler circuit pic18f2550 and pic18f4550 are famous for their usb module
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