Microchip 8 bit AVR ATmega Microcontroller 20 MHz 32kB FLASH 28-Pin PDIP ATMEGA328-PU

Microchip ATMEGA328-PU is an 8-bit megaAVR microcontroller featuring AVR enhanced RISC architecture that executes instructions in a single clock cycle. It operates at up to 20 MHz frequency, delivering up to 20 MIPS performance, making it suitable for efficient and high-speed embedded applications.

The device is packaged in a 28-Pin PDIP through-hole mount, measuring 34.79 mm in length, 7.49 mm in width, and 4.06 mm in height. It provides 32 kB of high-speed FLASH memory with 1024 bytes of EEPROM, along with 2 kB SRAM for fast data operations.

ATMEGA328-PU microcontroller supports 23 general-purpose I/O pins, six channels of 10-bit analogue-to-digital converters, one analogue comparator, and features two 8-bit timers plus one 16-bit timer with output compare and six PWM channels. It also includes a programmable serial USART, SPI interface, and a byte-oriented 2-wire I2C compatible serial interface for diverse communication needs.

The microcontroller incorporates internal features such as power-on reset, programmable brown-out detection, internal calibrated oscillator, and multiple sleep modes which contribute to low power consumption and extended device longevity. It is ideal for industrial, automotive, consumer electronics, and other embedded system projects requiring reliable 8-bit processing.

Operating voltage ranges from 1.8V to 5.5V, with operating temperature spanning −40°C to +85°C, enhancing its suitability for rugged environments and automotive applications. The device does not have specific automotive standards certification but includes necessary peripheral features for general industrial use.

Operates at a maximum clock frequency of 20 MHz providing up to 20 MIPS performance. 32 kB FLASH memory with 1 kB EEPROM and 2 kB SRAM. 28-pin PDIP package with through-hole mounting for easy prototyping and soldering. 23 programmable I/Os supporting varied interfacing requirements.

Includes 6 channels 10-bit ADC and 1 analogue comparator for precise measurements. Two 8-bit and one 16-bit timer with six PWM channels for timing and control tasks. Support for USART, SPI, and I2C serial communication protocols.

Range of power-saving sleep modes for optimized energy consumption. Wide operating voltage (1.8V to 5.5V) and temperature range (-40°C to 85°C). Package includes one Microchip ATMEGA328-PU microcontroller device ready for through-hole assembly applications and embedded system development.

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