ATtiny24V/44V/84V is a low-power 8-bit AVR microcontroller from Microchip with high performance and rich feature set.
The ATtiny24/44/84 family is a low‑power CMOS 8‑bit microcontroller based on Atmel's enhanced AVR RISC architecture. It offers up to 1 MIPS per MHz, multiple power‑saving modes, and a rich peripheral set including timers, ADCs, and a universal serial interface.
This handbook summarizes the device’s key characteristics, pin‑out diagrams, register map, and electrical specifications. It also lists resources for development tools, code examples, and contact information for technical support.
| Operating Voltage | 1.8 V – 5.5 V |
|---|---|
| EEPROM | 128 B / 256 B / 512 B |
| SRAM | 128 B / 256 B / 512 B |
| ADC | 10‑bit, 8 single‑ended + 12 differential channels |
| Timers | One 8‑bit and one 16‑bit Timer/Counter with two PWM channels each |
| Active‑mode Current | 300 µA @ 1 MHz, 1.8 V |
| Power‑down Current | 0.1 µA @ 1.8 V |
| Operating Temperature Range | -40 °C to +85 °C |
| Data Retention | 20 years at 85 °C / 100 years at 25 °C |
| Programmable I/O Lines | 12 (Twelve Programmable I/O Lines) |
The device operates from 1.8 V up to 5.5 V, with a 2.7 V lower limit for the standard ATtiny24/44/84 variants.
In active mode at 1 MHz and 1.8 V the device draws about 300 µA.
The microcontroller offers twelve programmable I/O lines.