Features

– 120 Powerful Instructions – Most Single Clock Cycle Execution

– 32 x 8 General Purpose Working Registers

– Fully Static Operation

– 2/4/8K Byte of In-System Programmable Program Memory Flash (ATtiny24/44/84)

Endurance: 10,000 Write/Erase Cycles

– 128/256/512 Bytes In-System Programmable EEPROM (ATtiny24/44/84)

Endurance: 100,000 Write/Erase Cycles

– 128/256/512 Bytes Internal SRAM (ATtiny24/44/84)

– Programming Lock for Self-Programming Flash Program and EEPROM Data

Security

– Two Timer/Counters, 8- and 16-bit counters with two PWM Channels on both

– 10-bit ADC

8 single-ended channels

12 differential ADC channel pairs with programmable gain (1x, 20x)

Temperature Measurement

– Programmable Watchdog Timer with Separate On-chip Oscillator

– On-chip Analog Comparator

– Universal Serial Interface

– debugWIRE On-chip Debug System

– In-System Programmable via SPI Port

– External and Internal 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

– 14-pin SOIC, PDIP and 20-pin QFN/MLF: Twelve Programmable I/O Lines

– 1.8 - 5.5V for ATtiny24V/44V/84V

– 2.7 - 5.5V for ATtiny24/44/84

– 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

– Active Mode:

1 MHz, 1.8V: 380 µA

– Power-down Mode:

1.8V: 100 nA

8-bit

Microcontroller

with 2/4/8K

Bytes In-System

Programmable

Flash

ATtiny24/44/84

Preliminary

Summary

Rev. 8006FS–AVR–02/07