Technical
Ambient Temperature Range High85 °C
Core ArchitectureAVR
Data Bus Width8 b
Frequency32 MHz
HS Code8542.31.0015
Interface2-Wire, I2C, IrDA, LIN, SMBus, SPI, UART, USART
Max Frequency32 MHz
Max Junction Temperature (Tj)105 °C
Max Operating Temperature85 °C
Max Supply Voltage3.6 V
Memory Size128 kB
Memory TypeFLASH
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 Channels18
Number of SPI Channels2
Number of Timers/Counters5
Number of UART Channels3
Oscillator TypeInternal
PeripheralsBrown-out Detect/Reset, POR, PWM, WDT
RAM Size8 kB
Schedule B8542310000
Watchdog TimerYes