ATTINY85-20PU

Part: Atmel ATtiny25/V / ATtiny45/V / ATtiny85/V

Type: 8-bit AVR Microcontroller

Description: High-performance, low-power 8-bit AVR microcontroller with 2/4/8K Bytes In-System Programmable Flash, 128/256/512 Bytes EEPROM, 128/256/256 Bytes SRAM, and operating voltages from 1.8V to 5.5V.

Operating Conditions:

• Supply voltage: 1.8–5.5V (ATtiny25V/45V/85V), 2.7–5.5V (ATtiny25/45/85)
• Operating temperature: Industrial Temperature Range
• Max clock speed: 0–20 MHz (at 4.5–5.5V for ATtiny25/45/85)

Absolute Maximum Ratings:

Key Specs:

• Program Memory Flash: 2/4/8K Bytes In-System Programmable (Endurance: 10,000 Write/Erase Cycles)
• EEPROM: 128/256/512 Bytes In-System Programmable (Endurance: 100,000 Write/Erase Cycles)
• Internal SRAM: 128/256/256 Bytes
• I/O Lines: Six Programmable I/O Lines
• ADC: 10-bit ADC with 4 single-ended channels, 2 differential pairs (1x, 20x gain)
• Active Mode Current: 300 μA (at 1 MHz, 1.8V)
• Power-down Mode Current: 0.1 μA (at 1.8V)

Features:

• Advanced RISC Architecture with 120 powerful instructions
• Universal Serial Interface (USI) with Start Condition Detector
• debugWIRE On-chip Debug System
• In-System Programmable via SPI Port
• Programmable Watchdog Timer with Separate On-chip Oscillator
• On-chip Analog Comparator

Applications:

Package:

• 8-pin PDIP
• 8-pin SOIC
• 20-pad QFN/MLF
• 8-pin TSSOP (only ATtiny45/V)

• High Performance, Low Power AVR ® 8-Bit Microcontroller
• Advanced RISC Architecture
• -120 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 Bytes of In-System Programmable Program Memory Flash
• Endurance: 10,000 Write/Erase Cycles
• -128/256/512 Bytes In-System Programmable EEPROM
• Endurance: 100,000 Write/Erase Cycles
• -128/256/512 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, 8-pin SOIC, 20-pad QFN/MLF, and 8-pin TSSOP (only ATtiny45/V)
• Operating Voltage
• -1.8 - 5.5V for ATtiny25V/45V/85V
• -2.7 - 5.5V for ATtiny25/45/85
• Speed Grade
• -ATtiny25V/45V/85V: 0 - 4 MHz @ 1.8 - 5.5V, 0 - 10 MHz @ 2.7 - 5.5V
• -ATtiny25/45/85: 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: 300 μA
• Power-down Mode:
• 0.1 μA at 1.8V

Rev. 2586QS-AVR-08/2013