Technical
Core ArchitectureAVR
Data Bus Width8 b
Frequency20 MHz
HS Code8542.31.0015
InterfaceI2C, SPI, UART, USART
Max Frequency20 MHz
Max Operating Temperature105 °C
Max Supply Voltage5.5 V
Memory Size4 kB
Memory TypeFLASH
Min Operating Temperature-40 °C
Min Supply Voltage1.8 V
Number of I/Os27
Number of Programmable I/O27
Number of Timers/Counters3
Operating Supply Voltage5 V
Oscillator TypeInternal
PackagingTape & Reel (TR)
PeripheralsBrown-out Detect/Reset, POR, PWM, WDT
RAM Size512 B
Watchdog TimerYes