Technical
Core ArchitectureAVR
Data Bus Width8 b
Frequency20 MHz
HS Code8542.31.0015
Interface2-Wire, I2C, IrDA, LIN, SPI, UART, USART
Max Frequency20 MHz
Max Operating Temperature85 °C
Max Supply Voltage5.5 V
Memory Size128 kB
Memory TypeFLASH
Min Operating Temperature-40 °C
Min Supply Voltage1.8 V
Number of I/Os21
Number of Programmable I/O32
Number of Timers/Counters3
Oscillator TypeInternal
PackagingTape and Reel
PeripheralsBrown-out Detect/Reset, DMA, POR, PWM, WDT
RAM Size16 kB
Schedule B8542310000
Watchdog TimerYes