An Atmel 8-bit AVR microcontroller.

Use this tag when a question relates to the Atmel ATtiny85 microcontroller.

This is a Microchip (who acquired Atmel) 8-bit AVR RISC-based microcontroller.

Product page:

Flash:          8 KB
SRAM            512 bytes
Data EEPROM     512
Peripherals     (1)   SPI
                (1)   I2C
                (5)   Capture/Compare/PWM
Timers          (2)   8-bit
Comparators     1
Voltage Range   1.8 to 5.5 VDC
Pin Count       8