ATMega328 with Bootloader for UNO

ATMEGA328P-PU Microchip AVR Microcontroller 8bit 20MHz 32 kB Flash DIP-28

The ATmega48A/PA/88A/PA/168A/PA/328/P is a low power, CMOS 8-bit microcontrollers based on the AVR enhanced RISC architecture. By executing instructions in a single clock cycle, the devices achieve CPU throughput approaching one million instructions per second (MIPS) per megahertz, allowing the system designer to optimize power consumption versus processing speed.

Features

• High Performance, Low Power AVR 8-Bit Microcontroller Family

• Advanced RISC Architecture

  • 131 Powerful Instructions – Most Single Clock Cycle Execution

  • 32 x 8 General Purpose Working Registers

  • Up to 20 MIPS Throughput at 20MHz

• On-chip 2-cycle Multiplier

• High Endurance Non-volatile Memory Segments

  • 4/8/16/32KBytes of In-System Self-Programmable Flash program memory

  • 256/512/512/1KBytes EEPROM

  • 512/1K/1K/2KBytes Internal SRAM

  • Write/Erase Cycles: 10,000 Flash/100,000 EEPROM

  • Data retention: 20 years at 85°C/100 years at 25°C(1)

  • Optional Boot Code Section with Independent Lock Bits

    • In-System Programming by On-chip Boot Program

    • True Read-While-Write Operation

  • Programming Lock for Software Security

• QTouch® library support

  • Capacitive touch buttons, sliders and wheels

  • QTouch and QMatrix™ acquisition

  • Up to 64 sense channels

• Peripheral Features

  • Two 8-bit Timer/Counters with Separate Prescaler and Compare Mode

  • One 16-bit Timer/Counter with Separate Prescaler, Compare Mode, and Capture Mode

  • Real Time Counter with Separate Oscillator

  • Six PWM Channels

  • 8-channel 10-bit ADC in TQFP and QFN/MLF package

    • Temperature Measurement

• Channel 10-bit ADC in PDIP Package

  • • Temperature Measurement

  • Programmable Serial USART

  • Master/Slave SPI Serial Interface

  • Byte-oriented 2-wire Serial Interface (Philips I2C compatible)

  • Programmable Watchdog Timer with Separate On-chip Oscillator

  • On-chip Analog Comparator

  • Interrupt and Wake-up on Pin Change

• Special Microcontroller Features

  • Power-on Reset and Programmable Brown-out Detection

  • Internal Calibrated Oscillator

  • External and Internal Interrupt Sources

  • Six Sleep Modes: Idle, ADC Noise Reduction, Power-save, Power-down, Standby, and Extended Standby

• I/O and Packages

  • 23 Programmable I/O Lines

  • 28-pin PDIP, 32-lead TQFP, 28-pad QFN/MLF and 32-pad QFN/MLF

• Operating Voltage: 1.8 – 5.5V

• Temperature Range: -40°C to 85°C

• Speed Grade: 0 – 4MHz@1.8 – 5.5V, 0 – 10MHz@2.7 – 5.5.V, 0 – 20MHz @ 4.5 – 5.5V

• Power Consumption at 1MHz 1.8V, 25°C

  • Active Mode: 0.2mA

  • Power-down Mode: 0.1µA

  • Power-save Mode: 0.75µA (Including 32kHz RTC)

Pin  Configuration

Specifications

Applications

• Arduino Development.

• Embedded Systems & IoT.

• Robotics & Automation.

• Data Logging & Monitoring.

• Wearable & Low-Power Applications.

• Consumer Electronics.

• Custom DIY Projects.