16-bit MSP430 with integrated analog — the sensor-node workhorse
It runs at 8 MHz and packs 92 KB of Flash program memory plus 4 KB of SRAM — enough headroom for moderately complex firmware with a real-time operating system or a communication stack.
The base product number is MSP430FG4616; if you need a different package or temperature grade, the family offers several variants with shared peripheral compatibility.
