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Description

The ATtiny22/L is a low-power CMOS 8-bit microcontrollers based on the AVR RISC architecture. By executing powerful instructions in a single clock cycle, the ATtiny22/L achieves throughputs approaching 1 MIPS per MHz allowing the system designer to optimize power consumption versus processing speed.

Features

? Utilizes the AVR? RISC Architecture

? AVR - High-performance and Low-power RISC Architecture

– 118 Powerful Instructions - Most Single Clock Cycle Execution

– 32 x 8 General Purpose Working Registers

– Up to 8 MIPS Throughput at 8 MHz

? Data and Nonvolatile Program Memory

– 2K Bytes of In-System Programmable Flash Endurance 1,000 Write/Erase Cycles

– 128 Bytes of internal SRAM

– 128 Bytes of In-System Programmable EEPROM Endurance: 100,000 Write/Erase Cycles

– Programming Lock for Flash Program and EEPROM Data Security

? Peripheral Features

– One 8-bit Timer/Counter with Separate Prescaler

– Programmable Watchdog Timer with On-chip Oscillator

– SPI Serial Interface for In-System Programming

? Special Microcontroller Features

– Low-power Idle and Power Down Modes

– External and Internal Interrupt Sources

– Power-on Reset Circuit

– Selectable On-chip RC Oscillator

? Specifications

– Low-power, High-speed CMOS Process Technology

– Fully Static Operation

? Power Consumption at 4 MHz, 3V, 25°C

– Active: 2.4 mA

– Idle Mode: 0.5 mA

– Power Down Mode: <1 μA

? I/O and Packages

– 5 Programmable I/O Lines

– 8-pin PDIP and SOIC

? Operating Voltages

– 2.7 - 6.0V (ATtiny22L)

– 4.0 - 6.0V (ATtiny22)

? Speed Grades

– 0 - 4 MHz (ATtiny22L)

– 0 - 8 MHz (ATtiny22)