ATMEGA328P-PU

Key features

• High Performance, Low Power Atmel AVR 8-Bit Microcontroller Family
• Advanced RISC Architecture
• 131 Powerful Instructions – Most Single Clock Cycle Execution
• 32x8 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
• 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
• 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
• 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
• 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)