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Atmel ATtiny85-20PU AVR Microcontroller, 08 DIP, 20MHz US$2.84

ATtiny85-20PU
Atmel ATtiny85-20PU AVR Microcontroller, 08 DIP, 20MHz


This high-performance, low-power Atmel 8-bit AVR RISC-based microcontroller combines 8KB ISP flash memory, 512B EEPROM, 512-Byte SRAM, 6 general-purpose I/O lines, 32 general-purpose working registers, one 8-bit timer/counter with compare modes, one 8-bit high-speed timer/counter, USI, internal and external Interrupts, 4-channel 10-bit A/D converter, programmable watchdog timer with internal oscillator, three software-selectable power-saving modes, and debugWIRE for on-chip debugging. The device achieves a throughput of 20 MIPS at 20 MHz and operates between 2.7 and5.5 volts.

By executing powerful instructions in a single clock cycle, the device achieves throughput approaching 1 MIPS per MHz, balancing power consumption and processing speed.

ATtiny85-20PU Microcontroller Features

Advanced RISC Architecture

  • 120 Powerful Instructions Most Single Clock Cycle Execution
  • 2 x 8 General Purpose Working Registers
  • Fully Static Operation

Non-volatile Program and Data Memories

  • 8K Bytes of In-System Programmable Program Memory Flash
    • Endurance: 10,000 Write/Erase Cycles
  • 512 Bytes In-System Programmable EEPROM
    • Endurance: 100,000 Write/Erase Cycles
  • 512 Bytes Internal SRAM
  • Programming Lock for Self-Programming Flash Program and EEPROM Data Security

Peripheral Features

  • 8-bit Timer/Counter with Prescaler and Two PWM Channels
  • 8-bit High Speed Timer/Counter with Separate Prescaler
    • 2 High Frequency PWM Outputs with Separate Output Compare Registers
    • Programmable Dead Time Generator
  • USI Universal Serial Interface with Start Condition Detector
  • 10-bit ADC
    • 4 Single-Ended Channels
    • 2 Differential ADC Channel Pairs with Programmable Gain (1x, 20x)
    • Temperature Measurement
  • 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

  • Six Programmable I/O Lines
  • 8-pin PDIP

Operating Voltage

  • 2.7V - 5.5V

Speed Grade

  • 0 - 10 MHz @ 2.7 - 5.5V; 0 - 20 MHz @ 4.5 - 5.5V

Industrial Temperature Range

  • -40 C to +85 C


This product was added to our catalog on Wednesday 12 March, 2008.

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