MSP430FW423IPMR

The MSP430FW423IPMR is a TI MSP430 microcontroller in the FW423 device family. It is a 16‑bit, ultra‑low‑power MCU designed for battery-powered and space‑constrained embedded applications that need moderate performance and integrated peripherals.
Key points (high level):
- 16‑bit RISC core with low‑power modes and fast wake‑up
- On-chip memory: flash/ROM and RAM (sizes vary by device)
- Peripherals commonly included: ADC, analog comparators, timers, DMA, and serial interfaces (USCI/UART/SPI/I2C)
- Additional features: watchdog timer, brown‑out/reset protection, and clock system with flexible timing options
- Package/grading: The IPMR suffix encodes the device’s package type and temperature grade; exact details are in the TI datasheet
How to get started:
- Refer to the official TI datasheet and user guide for exact specs, pinout, memory map, and electrical characteristics
- Use TI’s Code Composer Studio with MSP430Ware for libraries and examples
If you want precise specs (flash/RAM sizes, I/O, package), tell me or check TI’s product page for MSP430FW423IPMR.

Key features of MSP430FW423IPMR (highlights):
- 16-bit MSP430 RISC CPU with ultra-low-power operation
- On-chip nonvolatile memory via FRAM (plus RAM)
- Wide operating voltage: typically 1.8–3.6 V
- Low-power modes with fast wake-up (multiple sleep modes)
- Peripherals:
- 10-bit ADC
- Analog comparator
- Multiple 16-bit timers
- USCI module for UART, SPI, and I2C
- DMA controller for peripherals
- Watchdog timer
- Interrupt system with efficient, vectored interrupts
- Packaging option: IPMR variant (on-chip peripherals and memory tailored for compact packages)
Note: Exact FRAM size, RAM, timer count, and peripheral details vary by device revision; refer to the TI datasheet for precise numbers.

28-pin TSSOP (thin small-outline) package.

- Pin count: 48 pins (in the IPMR package).
- Function: MSP430 16-bit microcontroller with on-chip Flash and RAM, plus common MSP430 peripherals (ADC, timers, and serial interfaces such as UART/SPI/I2C and GPIO). Exact memory sizes depend on package variant.

Manufacturer: Texas Instruments (TI).
What kind of company: TI is a multinational American technology company that designs and manufactures semiconductors and embedded processing products, including microcontrollers (e.g., MSP430), analog/mixed-signal ICs, wireless devices, and related software. It is one of the world's largest semiconductor companies.

Ultra-low-power wireless MCU with integrated 2.4 GHz transceiver. Typical uses: wireless sensor networks, home/building automation, smart metering, remote monitoring and control, asset tracking, medical/fitness wearables, data loggers, and other battery-powered wireless devices.