MSP430FR4131IG56 16-bit FRAM Microcontroller, IG56 Package

MSP430FR4131IG56 Overview

The MSP430FR4131IG56 is a low?power, 16?bit microcontroller from the MSP430 FRAM family. It combines nonvolatile FRAM for fast writes and high endurance with a compact 56?pin package and integrated mixed?signal peripherals. The device targets battery?powered and energy?sensitive systems that need more nonvolatile writes and lower standby currents compared with typical flash?based MCUs. For sourcing and manufacturer details visit IC Manufacturer.

MSP430FR4131IG56 Technical Specifications

MSP430FR4131IG56 Key Features

• 16?bit RISC core with up to 16 MHz operation for responsive control and lower instruction overhead.
• On?chip FRAM that supports fast, low?energy nonvolatile writes for frequent data logging and configuration storage.
• Integrated 12?bit ADC and multiple timers to simplify sensor interfacing and precise time?based control.
• Flexible eUSCI peripheral supporting UART, SPI, and I2C to enable diverse serial connectivity with fewer external components.
• Ultra?low standby currents that reduce battery draw and extend runtime in energy?constrained designs.
• 56?pin package offering more I/O and peripheral signals compared with smaller packages for richer system integration.

Typical Applications

• Battery?powered sensing nodes that perform frequent nonvolatile data logging and require FRAM for high write endurance and fast save cycles.
• Industrial sensors where low standby current and 12?bit ADC accuracy improve energy efficiency and signal fidelity across many deployments.
• Portable medical devices that need reliable configuration storage, responsive control, and mixed?signal peripherals in a compact 56?pin footprint.
• Consumer IoT endpoint designs requiring UART/SPI/I2C connectivity, low power sleep modes, and fast FRAM writes for user settings and logs.

MSP430FR4131IG56 Advantages vs Typical Alternatives

The FRAM?based MCU offers up to several orders of magnitude more write endurance and faster nonvolatile writes than typical flash?based alternatives. At comparable clock rates, the device achieves lower active energy per operation and much lower standby current, making it better for battery?first designs. The integrated 12?bit ADC, multiple timers, and flexible eUSCI reduce external components and PCB area compared with discrete designs.

MSP430FR4131IG56 Brand Info

The MSP430 family is produced by Texas Instruments, a global semiconductor supplier. This specific FRAM MCU inherits the MSP430 legacy of ultra?low power design and broad ecosystem support, including development tools, code examples, and software libraries from Texas Instruments.

FAQ

What memory type does this MCU use?

The device uses nonvolatile FRAM as its main program and data memory. FRAM provides fast write speed, high endurance for frequent writes, and lower write energy compared with flash.

What is the maximum operating frequency?

The microcontroller runs up to 16 MHz, which balances processing performance and energy efficiency for embedded control and sensing tasks.

Which serial interfaces are available?

On?chip eUSCI supports UART, SPI, and I2C modes. This allows one peripheral block to serve diverse serial protocols without extra interface chips.

How suitable is it for battery operation?

With typical active currents around 100 ??A per MHz and sub?microamp standby currents, the MCU is well suited for battery?operated systems needing long idle life and periodic activity bursts.

What package and temperature range does it support?

The part comes in a 56?pin package and supports industrial temperature grades, typically from -40 ??C to +85 ??C for reliable field operation.