The Port B output buffers have symmetrical drive characteristics with both high sink and source capability. PB0 to PB7, Port B is an 8-bit bi-directional I/O port with internal pull-up resistors (selected for each bit). ATmega328/328P is a 28-Pin AVR Microcontroller, manufactured by Microchip, follows RISC Architecture and has a flash-type program memory of 32KB.ĪTmega-328/328P is an AVR Microcontroller having twenty-eight (28) pins in total.ĪVCC is a supply voltage pin for analog to digital converter. Moreover, ATmega-328 has 2KB Static Random Access Memory (SRAM). This property shows if the electric supply supplied to the micro-controller is removed, even then it can store the data and can provide results after providing it with the electric supply. ATmega328/328P has 1KB Electrically Erasable Programmable Read-Only Memory (EEPROM). ATmega-328/328P has 32KB internal flash memory. So in this blog, we will be talking about the common as well as the different aspects of this microcontroller IC.Īs we know their are many similarities between both the ATmega-328/328P microcontrollers so let us first go through the similarities then we will be talking about the difference.ĪTmega328/328P is an Advanced Virtual RISC (AVR) microcontroller. Due to a slight difference between ATmega328 and ATmega328P, many of us get confused about which IC should be used.
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