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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
– 8K/16K Bytes of In-System Programmable Flash Program Memory
• Endurance: 10,000 Write/Erase Cycles
– 512 Bytes of In-System Programmable EEPROM
• Endurance: 100,000 Write/Erase Cycles
– 512 Bytes of Internal SRAM
– Data retention: 20 Years at 85°C / 100 Years at 25°C
– In-System Programmable via SPI Port
– Low size LIN/UART Software In-System Programmable
– Programming Lock for Software Security
• Peripheral Features
– LIN 2.1 and 1.3 Controller or 8-bit UART
– One 8-bit Asynchronous Timer/Counter with Prescaler
• Output Compare or 8-bit PWM Channel
– One 16-bit Synchronous Timer/Counter with Prescaler
• External Event Counter
• 2 Output Compare Units or PWM Channels each Driving up to 4 Output Pins
– Master/Slave SPI Serial Interface
– Universal Serial Interface with Start Condition Detector
– 10-bit ADC
• 11 Single Ended Channels
• 8 Differential ADC Channel Pairs with Programmable Gain (8x or 20x)
– On-chip Analog Comparator with Selectable Voltage Reference
– 100 µA ±10% Current Source for LIN Node Identification
– On-chip Temperature Sensor
– Programmable Watchdog Timer with Separate On-chip Oscillator
• Special Microcontroller Features
– Software Controlled Clock Switching for Power Control, EMC Reduction
– debugWIRE On-chip Debug System
– External and Internal Interrupt Sources
– Low Power Idle, ADC Noise Reduction, and Power-down Modes
– Power-on Reset and Programmable Brown-out Detection
– Internal 8MHz Calibrated Oscillator
– 4-16 MHz and 32 KHz Crystal/Ceramic Resonator Oscillators
• I/O and Packages
– 16 Programmable I/O Lines
– 20-pin SOIC, 32-pad VQFN and 20-pin TSSOP
• Operating Voltage:
– 1.8 – 5.5V for ATtiny87/167
• Speed Grade:
– 0 – 4 MHz @ 1.8 – 5.5V
– 0 – 8 MHz @ 2.7 – 5.5V
– 0 – 16 MHz @ 4.5 – 5.5V
• Industrial Temperature Range
8-bit Atmel
Microcontroller
with 8K/16K
Bytes In-System
Programmable
Flash and LIN
Controller
ATtiny87
ATtiny167
Rev. 8265D–AVR–01/2014
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