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Overview

ATtiny24/44/84 is a low-power CMOS 8-bit microcontroller based on the AVR enhanced RISC architecture. By executing powerful instructions in a single clock cycle, the ATtiny24/44/84 achieves throughputs approaching 1 MIPS per MHz allowing the system designer to optimize power consumption versus processing speed.

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

? Non-Volatile Program and Data Memories

– 2/4/8K Bytes of In-System Programmable Program Memory Flash

? Endurance: 10,000 Write/Erase Cycles

– 128/256/512 Bytes of In-System Programmable EEPROM

? Endurance: 100,000 Write/Erase Cycles

– 128/256/512 Bytes of Internal SRAM

– Data retention: 20 years at 1°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

– Internal Calibrated Oscillator

– On-chip Temperature Sensor

? I/O and Packages

– Available in 20-Pin QFN/MLF & 14-Pin SOIC and PDIP

– Twelve Programmable I/O Lines

? Operating Voltage:

– 1.8 – 5.5V for ATtiny24V/44V/84V

– 2.7 – 5.5V for ATtiny24/44/84

? Speed Grade

– ATtiny24V/44V/84V

? 0 – 4 MHz @ 1.8 – 5.5V

? 0 – 10 MHz @ 2.7 – 5.5V

– ATtiny24/44/84

? 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 (1 MHz System Clock): 300 μA @ 1.8V

– Power-Down Mode: 0.1 μA @ 1.8V