Number of DMA Channels 12
Sensitivity (dBm) -99 dBm
Number of External Interrupts 15
Current - Transmitting 7.2mA~13.8mA
Current - Receiving 11.3mA~11.8mA
Serial Interfaces I2C, SPI, UART, USART, USB
RF Family/Standard General ISM > 1GHZ
Number of Programmable I/O 28
On Chip Program ROM Width 8
Number of Timers/Counters 3
Memory Size 64kB Flash 8kB SRAM
Interface I2C, SPI, UART, USART, USB
Base Part Number ATSAMR21G
Voltage - Supply 1.8V~3.6V
Number of Terminations 48
Moisture Sensitivity Level (MSL) 3 (168 Hours)
Packaging Tape & Reel (TR)
Operating Temperature -40°C~125°C