16 MHz MSP430 FRAM MCU in a 16-VQFN — what the package and memory mean for the board
It packs 3.75 KB of FRAM program memory and 1 KB of SRAM, with 12 general-purpose I/O lines and an 8-channel 10-bit ADC. The part comes in a 16-VFQFN with exposed pad (supplier package 16-VQFN, 4x3.5 mm), surface-mount only. FRAM gives you non-volatile storage that writes at near-SRAM speed with essentially unlimited endurance—no wear-leveling needed for frequent data logging or configuration updates.
FRAM vs Flash — the endurance and write-speed advantage
Unlike conventional Flash-based MCUs, the FRAM program memory in this MSP430 handles write cycles orders of magnitude beyond typical Flash endurance—no sector-erase penalty, no wear-leveling firmware overhead. For a design that logs sensor data or updates calibration constants every cycle, FRAM eliminates the write-latency and endurance ceiling that Flash imposes. The 3.75 KB size suits small control loops, state machines, or communication protocol stacks where code fits in a few kilobytes.