ATMEGA328P-PU Microcontroller MCU AVR 32K 20MHz

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The Atmel® picoPower® ATmega328/P is a low-power CMOS 8-bit microcontroller based on the AVR® enhanced RISC architecture.

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Product Description

High Performance, Low Power Atmel®AVR® 8-Bit Micro controller Family

  • Advanced RISC Architecture
  • 131 Powerful Instructions
  • Most Single Clock Cycle Execution
  • 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
  • 32KBytes of In-System Self-Programmable Flash program Memory
  • 1KBytes EEPROM
  • 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
  • Atmel® QTouch® Library Support
  • Capacitive Touch Buttons, Sliders and Wheels
  • QTouch and QMatrix® Acquisition
  • Up to 64 sense channels
  • Atmel-42735B-ATmega328/P_Datasheet_Complete-11/2016
  • 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
  • 6-channel 10-bit ADC in PDIP Package
  • Two Master/Slave SPI Serial Interface
  • One Programmable Serial USART
  • One Byte-oriented 2-wire Serial Interface (Philips I2C compatible)
  • Programmable Watchdog Timer with Separate On-chip Oscillator
  • One 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 105°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

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