Technical
Ambient Temperature Range High85 °C
Core ArchitectureAVR
Data Bus Width8 b
Frequency32 MHz
InterfaceI2C, IrDA, SPI, USART, USB
Max Frequency32 MHz
Max Junction Temperature (Tj)105 °C
Max Operating Temperature85 °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 Converters1
Number of ADC Channels16
Number of I2C Channels2
Number of I/Os50
Number of Programmable I/O50
Number of PWM Channels16
Number of SPI Channels2
Number of Timers/Counters5
Number of UART Channels3
Number of USB Channels1
Oscillator TypeInternal
PackagingTape and Reel
PeripheralsBrown-out Detect/Reset, DMA, POR, PWM, WDT
RAM Size16 kB
Watchdog TimerYes