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CPU 8 bit
Number of? Pins 8
Number of ?Programmable I/O pins 6
Operating Voltage +1.8 V to +5.5V (ATTINY85V)

+2.7 V to +5.5V (ATTINY85)(+6.0V ?being absolute maximum supply voltage)

Maximum DC Current per I/O Pin 40 mA
Maximum DC Current through VCC and GND Pins 200 mA
Operating Temperature -55?C to +125?C
Communication Interface Master/Slave SPI Serial Interface(5,6,7? PINS) [Can be used for programming this controller]

I2C or Two-wire Serial Interface(5,7? PINS)[Can be used to connect peripheral devices and sensors]

Universal Serial Interface (5,6,7 PINS) [Can be used for communicating with other controllers]

UART Interface Not available
ADC Feature 4channels, 10-bit resolution ADC
Analog Comparators 1
Timer Module Two 8-bit counter
PWM outputs 4
External Oscillator 0-10MHz for ATTINY85V

0-20MHz for ATTINY85

Internal Oscillator 0-8MHz? Calibrated Internal R-C Oscillator
CPU Speed 1 MIPS@1MHz
Program Memory or Flash memory size 8Kbytes[10000 write/erase cycles]
RAM size 512Bytes on Internal SRAM
EEPROM size 512Bytes of In-System Programmable EEPROM
Program Lock Available
Watchdog Timer Available
Power Save Modes Three Modes[Idle, ADC Noise Reduction, Power-down]