ATtiny24A/44A/84A tinyAVR Data Sheet Introduction ATtiny24A/44A/84A are low-power CMOS 8-bit microcontrollers based on the AVR enhanced RISC architecture. By executing powerful instructions in a single clock cycle, the ATtiny24A/44A/84A 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 High Endurance, Non-volatile Memory Segments 2K/4K/8K Bytes of In-System, Self-programmable Flash Program Memory 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 85C / 100 years at 25C 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 2020 Microchip Technology Inc. Data Sheet Complete DS40002269A-page 1ATtiny24A/44A/84A 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 WQFN/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: -40C to +85C Low Power Consumption Active Mode: 210 A at 1.8V and 1 MHz Idle Mode: 33 A at 1.8V and 1 MHz Power-down Mode: 0.1 A at 1.8V and 25C 2020 Microchip Technology Inc. Data Sheet Complete DS40002269A-page 2