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