ATTINY261-15SZ

MCU 8Bit ATtiny AVR RISC 2KB Flash 3.3V/5V Automotive 20Pin SOIC

Overview

The ATtiny261/461/861 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 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

   – 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 SOIC, 32-pad MLF and 20-lead TSSOP

• Operating Voltage:

   – 2.7 - 5.5V for ATtiny261/461/861

• Speed Grade:

   – ATtiny261/461/861: 0 - 8 MHz @ 2.7 - 5.5V, 0 - 16 MHz @ 4.5 - 5.5V

   – Operating temperature: Automotive -40°C to +125°C

• Low Power Consumption

   – Active Mode ATD On: 1 MHz, 2.7V, 25°C: 300 µA

   – Power-down Mode no Watchdog: 2.7V, 25°C: 0.12 µA