Features
• High Performance, Low Power AVR® 8-Bit Microcontroller
• Advanced RISC Architecture
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– 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
• 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
– Data retention: 20 years at 85°C / 100 years at 25C
– Programming Lock for Self-Programming Flash Program & 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
– 10-bit ADC
• 11 Single-Ended Channels
• 16 Differential ADC Channel Pairs
• 15 Differential ADC Channel Pairs with Programmable Gain (1x, 8x, 20x, 32x)
– On-chip Analog Comparator
– Programmable Watchdog Timer with Separate On-chip Oscillator
– Universal Serial Interface with Start Condition Detector
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, Standby and Power-Down Modes
– Enhanced Power-on Reset Circuit
– Programmable Brown-out Detection Circuit
– Internal Calibrated Oscillator
– On-chip Temperature Sensor
I/O and Packages
– 16 Programmable I/O Lines
– Available in 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 System Clock): 300 µA @ 1.8V
– Power-Down Mode: 0.1 µA at 1.8V
8-bit
Microcontroller
with 2/4/8K
Bytes In-System
Programmable
Flash
ATtiny261/V*
ATtiny461/V
ATtiny861/V
Summary
*Mature
2588FS–AVR–06/2013
