Technical
Ambient Temperature Range High105 °C
Core ArchitectureAVR
Data Bus Width16 b
Frequency32 MHz
HS Code8542.31.0015
Interface2-Wire, I2C, IrDA, SMBus, SPI, USART, USB
Max Frequency32 MHz
Max Junction Temperature (Tj)125 °C
Max Operating Temperature105 °C
Max Supply Voltage3.6 V
Memory Size256 kB
Memory TypeFLASH
Manufacturer Package Identifier64A
Min Operating Temperature-40 °C
Min Supply Voltage1.6 V
Number of A/D Converters4
Number of ADC Channels32
Number of I2C Channels2
Number of I/Os50
Number of Programmable I/O50
Number of SPI Channels3
Number of Timers/Counters7
Number of UART Channels7
Number of USB Channels1
Operating Supply Voltage3.3 V
Oscillator TypeInternal
PeripheralsBrown-out Detect/Reset, DMA, POR, PWM, WDT
RAM Size16 kB
Watchdog TimerYes