特性 Features

? High Performance, Low Power AVR? 8-Bit Microcontroller

? Advanced RISC Architecture

– 120 Powerful Instructions – Most Single Clock Cycle Execution

– 32 x 8 General Purpose Working Registers

– Fully Static Operation

? High Endurance, Non-Volatile Memory Segments

– 2K/4K Bytes of In-System, Self-Programmable Flash Program Memory

? Endurance: 10,000 Write/Erase Cycles

– 128/256 Bytes of In-System Programmable EEPROM

? Endurance: 100,000 Write/Erase Cycles

– 128/256 Bytes of Internal SRAM

– Data retention: 20 years at 85°C / 100 years at 25°C

– Programming Lock for Self-Programming Flash & EEPROM Data Security

? Peripheral Features

– One 8-Bit and One 16-Bit Timer/Counter with Two PWM Channels, Each

– 10-bit ADC

? 8 Single-Ended Channels

? 12 Differential ADC Channel Pairs with Programmable Gain (1x / 20x)

– Programmable Watchdog Timer with Separate On-chip Oscillator

– On-Chip Analog Comparator

– Universal Serial Interface

? Special Microcontroller Features

– debugWIRE On-chip Debug System

– In-System Programmable via SPI Port

– Internal and External Interrupt Sources

? Pin Change Interrupt on 12 Pins

– Low Power Idle, ADC Noise Reduction, Standby and Power-Down Modes

– Enhanced Power-on Reset Circuit

– Programmable Brown-Out Detection Circuit with Software Disable Function

– Internal Calibrated Oscillator

– On-Chip Temperature Sensor

? I/O and Packages

– Available in 20-Pin QFN/MLF/VQFN, 14-Pin SOIC, 14-pin PDIP and 15-ball UFBGA

– Twelve Programmable I/O Lines

? Operating Voltage:

– 1.8 – 5.5V

? Speed Grade:

– 0 – 4 MHz @ 1.8 – 5.5V

– 0 – 10 MHz @ 2.7 – 5.5V

– 0 – 20 MHz @ 4.5 – 5.5V

? Industrial Temperature Range: -40°C to +85°C

? Low Power Consumption

– Active Mode:

? 210 μA at 1.8V and 1MHz

– Idle Mode:

? 33 μA at 1.8V and 1MHz

– Power-Down Mode:

? 0.1 μA at 1.8V and 25°C