The Microchip SAM R34 feature a Microchip SAM L21 MCU based on the 32-bit Arm Cortex-M0+ core with up to 256 Kbytes Flash and 40 Kbytes RAM. The UHF transceiver supports LoRa and FSK modulation and covers frequencies from 137 MHz to 1020 MHz with maximum transmit power up to +20 dBm without external amplification. The SAM R34 family uses Microchip’s LoRaWAN protocol stack and supports Class A and Class C end devices, as well as proprietary point-to-point connections. The SiPs offer sleep modes as low as 790 nA. They include a USB interface for USB dongle applications or software updates.
Mouser will also sell the SAM R34 Xplained Pro evaluation kit, supported by Atmel Studio 7. The kit includes reference designs and software examples. It is certified with the Federal Communications Commission (FCC), Industry Canada (IC), and Radio Equipment Directive (RED).