Features High-performance, Low-power AVR 8-bit Microcontroller RISC Architecture 118 Powerful Instructions Most Single Clock Cycle Execution 32 x 8 General Purpose Working Registers Fully Static Operation Up to 16 MIPS Throughput at 16 MHz Data and Non-volatile Program Memory 2K Bytes of In-System Programmable Program Memory Flash Endurance: 10,000 Write/Erase Cycles 128 Bytes of In-System Programmable EEPROM 8-bit Endurance: 100,000 Write/Erase Cycles 128 Bytes Internal SRAM Microcontroller Programming Lock for Flash Program and EEPROM Data Security Peripheral Features with 2K Bytes 8-bit Timer/Counter with Separate Prescaler 8-bit High-speed Timer with Separate Prescaler Flash 2 High Frequency PWM Outputs with Separate Output Compare Registers Non-overlapping Inverted PWM Output Pins Universal Serial Interface with Start Condition Detector 10-bit ADC ATtiny26 11 Single Ended Channels 8 Differential ADC Channels 7 Differential ADC Channel Pairs with Programmable Gain (1x, 20x) ATtiny26L On-chip Analog Comparator External Interrupt Pin Change Interrupt on 11 Pins Programmable Watchdog Timer with Separate On-chip Oscillator Special Microcontroller Features Low Power Idle, Noise Reduction, and Power-down Modes Power-on Reset and Programmable Brown-out Detection External and Internal Interrupt Sources In-System Programmable via SPI Port Internal Calibrated RC Oscillator I/O and Packages 20-lead PDIP/SOIC: 16 Programmable I/O Lines 32-lead QFN/MLF: 16 programmable I/O Lines Operating Voltages 2.7V - 5.5V for ATtiny26L 4.5V - 5.5V for ATtiny26 Speed Grades 0 - 8 MHz for ATtiny26L 0 - 16 MHz for ATtiny26 Power Consumption at 1 MHz, 3V and 25C for ATtiny26L Active 16 MHz, 5V and 25C: Typ 15 mA Active 1 MHz, 3V and 25C: 0.70 mA Idle Mode 1 MHz, 3V and 25C: 0.18 mA Power-down Mode: < 1 A 1477KAVR08/10Pin Configuration PDIP/SOIC (MOSI/DI/SDA/OC1A) PB0 1 20 PA0 (ADC0) (MISO/DO/OC1A) PB1 2 19 PA1 (ADC1) (SCK/SCL/OC1B) PB2 3 18 PA2 (ADC2) (OC1B) PB3 4 17 PA3 (AREF) VCC 5 16 GND GND 6 15 AVCC (ADC7/XTAL1) PB4 7 14 PA4 (ADC3) (ADC8/XTAL2) PB5 8 13 PA5 (ADC4) (ADC9/INT0/T0) PB6 9 12 PA6 (ADC5/AIN0) (ADC10/RESET) PB7 10 11 PA7 (ADC6/AIN1) MLF Top View NC NC 1 24 (OC1B) PB3 2 23 PA2 (ADC2) NC PA3 (AREF) 3 22 VCC 21 GND 4 GND 5 20 NC NC NC 6 19 (ADC7/XTAL1) PB4 18 AVCC 7 (ADC8/XTAL2) PB5 8 17 PA4 (ADC3) Note: The bottom pad under the QFN/MLF package should be soldered to ground. 2 ATtiny26(L) 1477KAVR08/10 PB2 (SCK/SCL/OC1B) NC 9 32 PB1 (MISO/DO/OC1A) 10 31 (ADC9/INT0/T0) PB6 PB0 (MOSI/DI/SDA/OC1A) (ADC10/RESET) PB7 11 30 29 NC NC 12 NC 13 28 (ADC6/AIN1) PA7 NC (ADC5/AIN0) PA6 14 27 15 26 PA0 (ADC0) (ADC4) PA5 PA1 (ADC1) 16 25 NC