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ATmega328P is a lowpowerCMOS 8bit microcontrollers

Featured Product from Shenzhen Shengyu Electronics Technology Limited

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High-Performance AVR® 8-Bit Microcontroller Family:

  • Advanced RISC Architecture with 131 Powerful Instructions
  • Most Instructions Execute in a Single Clock Cycle
  • 32 x 8 General Purpose Working Registers
  • Fully Static Operation
  • 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 VQFN Package
  • 6-channel 10-bit ADC in SPDIP Package
  • 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 SPDIP, 32-lead TQFP, 28-pad VQFN, and 32-pad VQFN
  • 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 - 5.5V, 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)