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Overview

ATtiny1634 is a low-power CMOS 8-bit microcontrollers based on the AVR enhanced RISC architecture. By executing powerful instructions in a single clock cycle, the ATtiny1634 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

– 125 Powerful Instructions – Most Single Clock Cycle Execution

– 32 x 8 General Purpose Working Registers

– Fully Static Operation

? High Endurance, Non-volatile Memory Segments

– 16K Bytes of In-System, Self-Programmable Flash Program Memory

? Endurance: 10,000 Write/Erase Cycles

– 256 Bytes of In-System Programmable EEPROM

? Endurance: 100,000 Write/Erase Cycles

– 1K Byte of Internal SRAM

– Data retention: 20 years at 85?C / 100 years at 25?C

– Programming Lock for Self-Programming Flash & EEPROM Data Security

? Peripheral Features

– Dedicated Hardware and QTouch? Library Support for Capacitive Touch Sensing

– One 8-bit and One 16-bit Timer/Counter with Two PWM Channels, Each

– 12-channel, 10-bit ADC

– Programmable Ultra Low Power Watchdog Timer

– On-chip Analog Comparator

– Two Full Duplex USARTs with Start Frame Detection

– Universal Serial Interface

– Slave I2C Serial Interface

? Special Microcontroller Features

– debugWIRE On-chip Debug System

– In-System Programmable via SPI Port

– Internal and External Interrupt Sources

? Pin Change Interrupt on 18 Pins

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

– Enhanced Power-on Reset Circuit

– Programmable Brown-out Detection Circuit with Supply Voltage Sampling

– Calibrated 8MHz Oscillator with Temperature Calibration Option

– Calibrated 32kHz Ultra Low Power Oscillator

– On-chip Temperature Sensor

? I/O and Packages

– 18 Programmable I/O Lines

– 20-pad QFN/MLF, and 20-pin SOIC

? Operating Voltage:

– 1.8 – 5.5V

? Speed Grade:

– 0 – 2MHz @ 1.8 – 5.5V

– 0 – 8MHz @ 2.7 – 5.5V

– 0 – 12MHz @ 4.5 – 5.5V

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

? Low Power Consumption

– Active Mode: 0.2mA at 1.8V and 1MHz

– Idle Mode: 30μA at 1.8V and 1MHz

– Power-Down Mode (WDT Enabled): 1μA at 1.8V

– Power-Down Mode (WDT Disabled): 100nA at 1.8V