Technical
Access Time8 µs
Core ArchitectureAVR
Data Bus Width8 b
Frequency8 MHz
Interface2-Wire, I2C, SPI, UART, USART
Max Frequency8 MHz
Max Operating Temperature85 °C
Max Supply Voltage5.5 V
Memory Size256 kB
Memory TypeFLASH
Min Operating Temperature-40 °C
Min Supply Voltage1.8 V
Number of I/Os54
Number of Programmable I/O54
Number of Timers/Counters6
Oscillator TypeInternal
PeripheralsBrown-out Detect/Reset, POR, PWM, WDT
RAM Size8 kB
Watchdog TimerYes