The SAM R30 combines an ultra-low-power microcontroller with a sub-GHZ radio in a 12.7×11mm package, enabling long-lasting battery life in space-constrained designs like wireless-networked sensors and controls in home automation, smart city, and industrial applications. The Microchip SAM R30 module is based on a Microchip SAMR30E18A system-in-package (SiP) with 32-bit Arm Cortex-M0+ core and up to 256 Kbytes of flash and 40 Kbytes of RAM. Designed for use in unlicensed sub-1GHz frequency bands worldwide — such as 780 MHz (China), 868 MHz (Europe), and 915 MHz (North America) — the module delivers receive (RX) sensitivity up to -105 dBm and transmit (TX) output power up to +8.7 dBm. The module offers twice the connectivity range and better communication through walls and floors than similarly powered devices using the 2.4 GHz frequency band. Featuring an ultra-low-power sleep mode of under 800 nA, the SAM R30 module is well suited for IoT sensor applications that require long battery life. What’s more, developers can implement propriety point-to-point, star, or self-healing mesh networks with Microchip’s MiWi protocol stack.
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