MSP430xW42x mixed signal microcontroller has low supply voltage range, ultralow power consumption, five power-saving modes, fast wake-up, etc.
The MSP430xW42x series is a mixed‑signal microcontroller family featuring two 16‑bit timers, a comparator, up to 96 LCD segments and 48 I/O pins. It targets low‑power portable measurement applications such as gas, heat and water meters.
The document includes a functional block diagram, detailed terminal descriptions, operating mode definitions, interrupt vector tables, mechanical package data and the standard TI product notice. It also lists the available 64‑pin QFP plastic package options and the memory configurations for the FW423, FW425 and FW427 variants.
| Supply voltage range | 1.8 V to 3.6 V |
|---|---|
| Flash memory (FW423) | 8 KB + 256 B |
| RAM (FW423) | 256 B |
| Flash memory (FW427) | 32 KB + 256 B |
| RAM (FW427) | 1 KB |
| I/O pins | 48 |
| LCD segment capability | 96 segments |
| Built‑in timers | Two 16‑bit timers |
| Comparator | One on‑chip comparator |
| Package | Plastic 64‑pin QFP |
| Operating modes | Active mode + five low‑power modes |
The device operates from 1.8 V up to 3.6 V.
It provides 48 general‑purpose I/O pins.
The microcontroller supports an active mode and five software selectable low‑power modes (LPM0‑LPM4).
It is available in a plastic 64‑pin QFP package.