ATMEL Atmega328P - PU [SMD] Microcontroller [Original]

• High Performance, Low Power Atmel®AVR® 8-Bit Microcontroller Family
• Advanced RISC Architecture
• High Endurance Non-volatile Memory Segments
• Atmel® QTouch® library support
• Peripheral Features
• Special Microcontroller Features

• High-performance, Low-power AVR 8-bit Microcontroller
• Advanced RISC Architecture
  • 131 Powerful Instructions - Most Single Clock Cycle Execution
  • 32 x 8 General Purpose Working Registers
  • Up to 6 MIPS Throughput at 16MHz
  • Fully Static Operation
  • On-chip 2-cycle Multiplier
• Nonvolatile Program and Data Memories
  • 32k Bytes of In-System Self-Programmable Flash
  • Optional Boot Code Section with Independent Lock Bits
  • 1K Bytes EEPROM
  • Programming Lock for Software Security
• Peripheral Features
  • On-chip Analog Comparator
  • Programmable Watchdog Timer with Seperate On-chip Oscillator
  • Master/Slave SPI Serial Interface
  • Two 8-bit Timer/Counters with Separate Prescalar, Compare 
  • One 16-bit TImer/Counter with Seperate Prescaler, Compare and Capture mode
  • Real TIme Counter with Seperate Oscillator
  • Six PWM Channels
  • 8-channel, 10-bit ADC
  • Byte-oriented Two-wire Serial Interface
  • Programmable Serial USART
• Special Mircocontroller Features
  • Power-on Reset and Programmable Brown-out Detection
  • Internal Calibrated RC 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
  • 32-lead TQFP
• Operating Voltages
  • 1.8-5.5V for ATmega328P
• Speed Grades
  • 0-20 MHz for ATmega328P
• Power Consumption at 1 Mhz, 1.8V, 25 °C
  • Active: 0.2mA
  • Power-down Mode: 0.1µA

The high-performance Atmel 8-bit AVR RISC-based microcontroller combines 32KB ISP flash memory with read-while-write capabilities, 1024B EEPROM, 2KB SRAM, 23 general-purpose I/O lines, 32 general purpose working registers, three flexible timer/counters with compare modes, internal and external interrupts, serial programmable USART, a byte-oriented 2-wire serial interface, SPI serial port, a 6-channel 10-bit A/D converter (8-channels in TQFP and QFN/MLF packages), programmable watchdog timer with internal oscillator, and five software selectable power saving modes. The device operates between 1.8-5.5 volts.

*Image shown is a representation only.