ATTINY461 Datasheet PDF

●Overview

●The ATtiny261/461/861 is a low-power CMOS 8-bit microcontroller based on the AVR enhanced LButtonRISC architecture. By executing powerful instructions in a single clock cycle, the ATtiny261/461/861 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

●• Non-volatile Program and Data Memories

●   – 2/4/8K Byte of In-System Programmable Program Memory Flash (ATtiny261/461/861) Endurance: 10,000 Write/Erase Cycles

●   – 128/256/512 Bytes In-System Programmable EEPROM (ATtiny261/461/861) Endurance: 100,000 Write/Erase Cycles

●   – 128/256/512 Bytes Internal SRAM (ATtiny261/461/861)

●   – Programming Lock for Self-Programming Flash Program and EEPROM Data Security

●• Peripheral Features

●   – 8/16-bit Timer/Counter with Prescaler and Two PWM Channels

●   – 8/10-bit High Speed Timer/Counter with Separate Prescaler

●3 High Frequency PWM Outputs with Separate Output Compare Registers Programmable Dead Time Generator

●   – Universal Serial Interface with Start Condition Detector

●   – 10-bit ADC

●      11 Single Ended Channels

●      16 Differential ADC Channel Pairs

●      15 Differential ADC Channel Pairs with Programmable Gain (1x, 8x, 20x, 32x)

●   – Programmable Watchdog Timer with Separate On-chip Oscillator

●   – On-chip Analog Comparator

●• Special Microcontroller Features

●   – debugWIRE On-chip Debug System

●   – In-System Programmable via SPI Port

●   – External and Internal Interrupt Sources

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

●   – Enhanced Power-on Reset Circuit

●   – Programmable Brown-out Detection Circuit

●   – Internal Calibrated Oscillator

●• I/O and Packages

●   – 16 Programmable I/O Lines

●   – 20-pin PDIP, 20-pin SOIC and 32-pad MLF

●• Operating Voltage:

●   – 1.8 - 5.5V for ATtiny261V/461V/861V

●   – 2.7 - 5.5V for ATtiny261/461/861

●• Speed Grade:

●   – ATtiny261V/461V/861V: 0 - 4 MHz @ 1.8 - 5.5V, 0 - 10 MHz @ 2.7 - 5.5V

●   – ATtiny261/461/861: 0 - 10 MHz @ 2.7 - 5.5V, 0 - 20 MHz @ 4.5 - 5.5V

●• Industrial Temperature Range

●• Low Power Consumption

●   – Active Mode: 1 MHz, 1.8V: 380μA

●   – Power-down Mode: 0.1μA at 1.8V