Run the programmer software and choose the appropriate hex file.īurn the HEX file of written program in ATMEGA328P flash memory using this program.ĭisconnect the programmer, connect the appropriate peripherals for the controller and get the system started. You can also program ATMEGA328P using ARDUINO UNO board. This HEX file contains the machine code which should be written in controller flash memory.Ĭhoose the programming device (usually SPI programmer made for AVR controllers) which establishes communication between PC and ATMEGA328P. Make the IDE generate HEX file for the written program after compiling. Write the functions in programming language in IDE programs.ĪTMEGA328P programming can also be done in ARDUINO IDE.Īfter writing the program, compile it to eliminate errors. This is specifically for the ATmega328P, but doesn’t have the pinout for the form factor the arduino Uno uses. List the functions to be executed by controller. After dumping this program code, the controller executes this code and provides appropriate response.Įntire process of using an ATMEGA328 is as followed: All there to do is programming.First, we need to program the controller and that is done by writing the appropriate program file in the FLASH memory. The CH340 is an inexpensive USB-to-Serial chip (datasheet here) that takes the place of the Rev3 board’s more expensive ATmega16U2. ATMEGA328P is used similar to any other controller. The CH340 Arduino board contains an ATmega328P-U-TH chip, which differs from the classic ATmega328P-PU in official Arduino Uno Rev3 boards.
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