Features
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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 Byte of In-System Programmable Program Memory Flash (ATtiny25/45/85)
Endurance: 10,000 Write/Erase Cycles
– 128/256/512 Bytes In-System Programmable EEPROM (ATtiny25/45/85)
Endurance: 100,000 Write/Erase Cycles
– 128/256/512 Bytes Internal SRAM (ATtiny25/45/85)
– 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 and 20-pad QFN/MLF
Operating Voltage
– 1.8 - 5.5V for ATtiny25/45/85V
– 2.7 - 5.5V for ATtiny25/45/85
Speed Grade
– ATtiny25/45/85V: 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:
0.1μA at 1.8V
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8-bit
Microcontroller
with 2/4/8K
Bytes In-System
Programmable
Flash
ATtiny25/V*
ATtiny45/V
ATtiny85/V*
*Preliminary
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2586J–AVR–12/06
ATMEL [ ATMEL CORPORATION ]
