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Overview

The ATtiny2313A/4313 is a low-power CMOS 8-bit microcontroller based on the AVR enhanced RISC architecture. By executing powerful instructions in a single clock cycle, the ATtiny2313A/4313 achieves throughputs approaching 1 MIPS per MHz allowing the system designer to optimize power consumption versus processing speed.

Features

? High Performance, Low Power AVR? 8-Bit Microcontroller

? Advanced RISC Architecture

– 120 Powerful Instructions – Most Single Clock Cycle Execution

– 32 x 8 General Purpose Working Registers

– Fully Static Operation

– Up to 20 MIPS Throughput at 20 MHz

? Data and Non-volatile Program and Data Memories

– 2/4K Bytes of In-System Self Programmable Flash

? Endurance 10,000 Write/Erase Cycles

– 128/256 Bytes In-System Programmable EEPROM

? Endurance: 100,000 Write/Erase Cycles

– 128/256 Bytes Internal SRAM

– Programming Lock for Flash Program and EEPROM Data Security

? Peripheral Features

– One 8-bit Timer/Counter with Separate Prescaler and Compare Mode

– One 16-bit Timer/Counter with Separate Prescaler, Compare and Capture Modes

– Four PWM Channels

– On-chip Analog Comparator

– Programmable Watchdog Timer with On-chip Oscillator

– USI – Universal Serial Interface

– Full Duplex USART

? Special Microcontroller Features

– debugWIRE On-chip Debugging

– In-System Programmable via SPI Port

– External and Internal Interrupt Sources

– Low-power Idle, Power-down, and Standby Modes

– Enhanced Power-on Reset Circuit

– Programmable Brown-out Detection Circuit

– Internal Calibrated Oscillator

? I/O and Packages

– 18 Programmable I/O Lines

– 20-pin PDIP, 20-pin SOIC, 20-pad MLF/VQFN

? Operating Voltage

– 1.8 – 5.5V

? Speed Grades

– 0 – 4 MHz @ 1.8 – 5.5V

– 0 – 10 MHz @ 2.7 – 5.5V

– 0 – 20 MHz @ 4.5 – 5.5V

? Industrial Temperature Range: -40°C to +85°C

? Low Power Consumption

– Active Mode

? 190 ?A at 1.8V and 1MHz

– Idle Mode

? 24 ?A at 1.8V and 1MHz

– Power-down Mode

? 0.1 ?A at 1.8V and +25°C