ATtiny85 is small, low-power 8-bit, 8-pin RISC microcontroller from Microchip.

Device Overview

The high-performance, low-power Microchip 8-bit RISC-based combines

  • 8KB flash memory
  • 512B
  • 512-Byte
  • 6 general purpose I/O lines
  • 32 general purpose working registers
  • one 8-bit timer/counter with compare modes
  • one 8-bit high speed timer/counter
  • USI
  • internal and external Interrupts
  • 4-channel 10-bit
  • programmable watchdog timer with internal oscillator
  • three software selectable power saving modes
  • and debugWIRE for on-chip debugging.

The device achieves a throughput of 20 MIPS at 20 MHz and operates between 2.7-5.5 volts.

overview text based on the information provided at