ATtiny261/ATtiny461/ATtiny861 Automotive 8-bit AVR Microcontroller with 2/4/8K Bytes In-System Programmable Flash DATASHEET 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 2/4/8K byte of in-system programmable program memory flash (Atmel ATtiny261/461/861) Endurance: 10,000 write/erase cycles 128/256/512 bytes in-system programmable EEPROM (Atmel ATtiny261/461/861) Endurance: 100,000 write/erase cycles 128/256/512 bytes internal SRAM (ATtiny261/461/861) Programming lock for self-programming flash program and 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 Universal serial interface with start condition detector 10-bit ADC 11 single ended channels 16 differential ADC channel pairs 15 differential ADC channel pairs with programmable gain (1x, 8x, 20x, 32x) 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 7753G-AVR-06/14 I/O and packages 16 programmable I/O lines 20-pin SOIC, 32-pad MLF and 20-lead TSSOP Operating voltage: 2.7 - 5.5V for Atmel ATtiny261/461/861 Speed grade: Atmel ATtiny261/461/861: 0 - 8MHz at 2.7 - 5.5V, 0 - 16MHz at 4.5 - 5.5V Operating temperature: Automotive (40C to +125C) Low power consumption Active mode ATD On: 1MHz, 2.7V, 25C: 300A Power-down mode no watchdog: 2.7V, 25C: 0.12A 2 ATtiny261/ATtiny461/ATtiny861/ATtiny461 DATASHEET 7753GAVR06/14