High-performance, Low-power Atmel AVR 8-bit Microcontroller
Advanced RISC Architecture
̶ 131 Powerful Instructions – Most Single-clock Cycle Execution
̶ 32 x 8 General Purpose Working Registers
̶ Fully Static Operation
̶ Up to 16MIPS Throughput at 16MHz
̶ On-chip 2-cycle Multiplier
High Endurance Non-volatile Memory segments
̶ 16KBytes of In-System Self-programmable Flash program memory
̶ 512Bytes EEPROM
̶ 1KByte 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
JTAG (IEEE std. 1149.1 Compliant) Interface
̶ Boundary-scan Capabilities According to the JTAG Standard
̶ Extensive On-chip Debug Support
̶ Programming of Flash, EEPROM, Fuses, and Lock Bits through the JTAG
Interface
Peripheral Features
̶ Two 8-bit Timer/Counters with Separate Prescalers and Compare Modes
̶ One 16-bit Timer/Counter with Separate Prescaler, Compare Mode, and
Capture Mode
̶ Real Time Counter with Separate Oscillator
̶ Four PWM Channels
̶ 8-channel, 10-bit ADC
8 Single-ended Channels
7 Differential Channels in TQFP Package Only
2 Differential Channels with Programmable Gain at 1x, 10x, or 200x
̶ Byte-oriented Two-wire Serial Interface
̶ Programmable Serial USART
̶ Master/Slave SPI Serial Interface
̶ Programmable Watchdog Timer with Separate On-chip Oscillator
̶ On-chip Analog Comparator
Special Microcontroller 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
̶ 32 Programmable I/O Lines
̶ 40-pin PDIP, 44-lead TQFP, and 44-pad QFN/MLF
Operating Voltages
̶ 2.7 – 5.5V
Speed Grades
̶ 0 – 16MHz
Power Consumption @ 1MHz, 3V, and 25°C
̶ Active: 0.6mA
̶ Idle Mode: 0.2mA
̶ Power-down Mode: < 1µA