MSP430FR2155TRSMT 16-bit FRAM Microcontroller, SMT Package

MSP430FR2155TRSMT Overview

The MSP430FR2155TRSMT is an ultra?low?power, 16?bit microcontroller built around the MSP430 CPU core and nonvolatile FRAM memory. It combines low active and standby currents with integrated analog and digital peripherals to reduce system cost and board area. With a wide supply range and deterministic wake times, the device suits battery?powered and energy?harvesting systems that need faster wake, lower energy per operation, and higher endurance than typical flash?based controllers. For more procurement and manufacturer details visit IC Manufacturer.

MSP430FR2155TRSMT Technical Specifications

MSP430FR2155TRSMT Key Features

• 16?bit MSP430 core ?? delivers efficient code density and lower cycle counts compared with 8?bit alternatives, improving throughput per clock.
• FRAM nonvolatile memory ?? offers higher write endurance and lower write energy than flash, which matters for frequent data logging and configuration updates.
• Ultra?low power modes ?? multiple low?power states enable longer battery life and reduced standby consumption versus typical microcontrollers.
• Integrated analog and comms ?? on?chip ADC and eUSCI peripherals reduce BOM and board complexity while supporting UART, SPI and I2C without external devices.

Typical Applications

• Battery?powered sensor nodes and IoT endpoints that require long sleep intervals and fast wake-up for periodic measurements and transmission.
• Data?logging and event?recording instruments where high FRAM write endurance and low energy per write extend device lifetime and reliability.
• Portable medical and wearable devices that need small form factor, low quiescent current, and mixed?signal peripherals for sensor interfaces.
• Industrial control endpoints and metering modules where deterministic wake times and nonvolatile settings storage improve robustness and field serviceability.

MSP430FR2155TRSMT Advantages vs Typical Alternatives

The device stands out through FRAM memory, which provides faster writes, far greater endurance, and lower energy per write than flash?based MCU alternatives. Combined with a 16?bit MSP430 core running up to 16 MHz and multiple low?power modes, it yields lower average energy per task and longer battery life. Integrated ADC and serial peripherals reduce component count versus solutions that require external converters or interface ICs, lowering BOM and board area.

MSP430FR2155TRSMT Brand Info

MSP430FR2155TRSMT is part of the MSP430 family from Texas Instruments. The MSP430 line emphasizes ultra?low power consumption, mixed?signal integration, and wide ecosystem support for tools and software. Engineers select these parts when energy efficiency, nonvolatile data retention, and compact system design are priorities.

FAQ

What memory type does it use?

The device uses FRAM (ferroelectric RAM) as the onboard nonvolatile memory. FRAM delivers faster writes, higher endurance, and lower energy per write compared with traditional flash memory.

What supply voltage range is supported?

This microcontroller operates over a wide supply range suitable for battery systems. The supported range allows single?cell lithium, coin cell, and regulated supplies commonly used in portable designs.

Which serial interfaces are available?

On?chip eUSCI modules provide flexible serial interfaces including UART, SPI, and I2C. These integrated modules simplify connectivity to sensors, radios, and external memory without added interface chips.

Is it suitable for low?power sensor nodes?

Yes. The combination of ultra?low power modes, fast wake times, and energy?efficient FRAM makes the part well suited for periodic sensing and transmission in battery?powered nodes.

What package and pin count should I expect?

The part is offered in a compact RSMT package variant intended for small PCB area. The package and pin count support multiple GPIOs and peripheral signals for embedded applications.