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Overview

The ATtiny48/88 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 ATtiny48/88 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

– 123 Powerful Instructions – Most Single Clock Cycle Execution

– 32 x 8 General Purpose Working Registers

– Fully Static Operation

? High Endurance Non-volatile Memory Segments

– 4K/8K Bytes of In-System Self-Programmable Flash Program Memory

– 64/64 Bytes EEPROM

– 256/512 Bytes Internal SRAM

– Write/Erase Cycles: 10,000 Flash/100,000 EEPROM

– Data Retention: 20 years at 85°C / 100 years at 25°C

– Programming Lock for Software Security

? Peripheral Features

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

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

– 6- or 8-channel 10-bit ADC

– Master/Slave SPI Serial Interface

– Byte-oriented 2-wire Serial Interface (Philips I2C Compatible)

– Programmable Watchdog Timer with Separate On-Chip Oscillator

– On-Chip Analog Comparator

– Interrupt and Wake-up on Pin Change

? Special Microcontroller Features

– debugWIRE On-Chip Debug System

– In-System Programmable via SPI Port

– Power-On Reset and Programmable Brown-Out Detection

– Internal Calibrated Oscillator

– External and Internal Interrupt Sources

– Three Sleep Modes: Idle, ADC Noise Reduction and Power-Down

– On-Chip Temperature Sensor

? I/O and Packages

– 24 Programmable I/O Lines:

? 28-pin PDIP

? 28-pad QFN/MLF

– 28 Programmable I/O Lines:

? 32-lead TQFP

? 32-pad QFN/MLF

? 32-ball UFBGA

? Operating Voltage:

– 1.8 – 5.5V

? Temperature Range:

– -40°C to +85°C

? Speed Grade:

– 0 – 4 MHz @ 1.8 – 5.5V

– 0 – 8 MHz @ 2.7 – 5.5V

– 0 – 12 MHz @ 4.5 – 5.5V

? Low Power Consumption

– Active Mode: 1 MHz, 1.8V: 240 μA

– Power-Down Mode: 0.1 μA at 1.8V