Technical
Core ArchitectureAVR
Data Bus Width32 b
Frequency66 MHz
InterfaceEBI/EMI, Ethernet, I2C, I2S, SPI, UART, USART, USB
Max Frequency66 MHz
Max Operating Temperature85 °C
Memory Size256 kB
Memory TypeFLASH
Min Operating Temperature-40 °C
Number of I/Os109
Number of Programmable I/O5
Number of Timers/Counters1
Operating Supply Voltage3.3 V
Oscillator TypeInternal
PeripheralsBrown-out Detect/Reset, POR, PWM, WDT
RAM Size64 kB