Features

– 54 Powerful Instructions – Most Single Clock Cycle Execution

– 16 x 8 General Purpose Working Registers

– Fully Static Operation

– Up to 12 MIPS Throughput at 12 MHz

– 2K Bytes of In-System Programmable Flash Program Memory

– 128 Bytes Internal SRAM

– Flash Write/Erase Cycles: 10,000

– One 8-bit Timer/Counter with Two PWM Channels

– One 16-bit Timer/Counter with Two PWM Channels

– 10-bit Analog to Digital Converter

• 8 Single-Ended Channels

– Programmable Watchdog Timer with Separate On-chip Oscillator

– On-chip Analog Comparator

– Master/Slave SPI Serial Interface

– Slave TWI Serial Interface

– In-System Programmable

– External and Internal Interrupt Sources

– Low Power Idle, ADC Noise Reduction, Stand-by and Power-down Modes

– Enhanced Power-on Reset Circuit

– Internal Calibrated Oscillator

– 14-pin SOIC/TSSOP: 12 Programmable I/O Lines

– 15-pad UFBGA: 12 Programmable I/O Lines

– 20-pad QFN/MLF: 12 Programmable I/O Lines

– 1.8 – 5.5V

–5V

– 0 – 4 MHz @ 1.8 – 5.5V

– 0 – 8 MHz @ 2.7 – 5.5V

– 0 – 12 MHz @ 4.5 – 5.5V

– Active Mode:

• 200 µA at 1 MHz and 1.8V

–Idle Mode:

• 25 µA at 1 MHz and 1.8V

– Power-down Mode:

• < 0.1 µA at 1.8V

8-bit

Microcontroller

with 2K Bytes

In-System

Programmable

Flash

ATtiny20

Preliminary

Summary

Rev. 8235AS–AVR–03/10