When controller acts as slave, the data is received by this pin. OC1B (Timer/Counter1 Output Compare Match B Output) This pin is low when controller acts as slave. OC1A (Timer/Counter1 Output Compare Match A Output) The divided system clock can be output on the PB0 pin) OC0A(PWM - Timer/Counter0 Output Compare Match A Output)ĬLKO (Divided System Clock. OC0B(PWM - Timer/Counter0 Output Compare Match B Output) XTAL1 (Chip Clock Oscillator pin 1 or External clock input) OC2B(PWM - Timer/Counter2 Output Compare Match B Output) PC6 can only be used as I/O pin when RSTDISBL Fuse is programmed. We will describe functions of each pin in below table. Many pins of the chip here have more than one function. This blog covers ATMEGA328P Microcontroller pinout, datasheet, equivalent, features and other information on how to use and where to use this device.ĪTMEGA328P is a 28-pin chip as shown in pin diagram above.
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