16-bit MSP430 with 25 MHz CPU and 32 KB Flash — fit for sensor-fusion and control loops
The MSP430F5171IYFFT: The 40-ball DSBGA package suits space-constrained designs but demands careful PCB layout for solder-joint reliability.
The 32 KB Flash is typical for sensor-fusion algorithms, simple control loops, or bootloader-plus-application splits. The 2 KB RAM is tight for buffered communication stacks.
The 31 I/O pins are 3.3 V compatible, so level shifting is not needed for common 3.3 V sensors and displays. Brown-out detect and POR are integrated, reducing external supervisor IC count.
Active lifecycle — no imminent EOL risk
Package note — 40-DSBGA layout considerations
The 40-ball DSBGA requires micro-vias and a controlled solder-paste stencil thickness. The supplier device package is 40-DSBGA.