MSP430FR2155TDBT Overview
The MSP430FR2155TDBT is a low?power 16?bit microcontroller from Texas Instruments, built on nonvolatile FRAM memory technology for fast writes and high endurance. It targets battery?powered and energy?sensitive designs that need more reliability than EEPROM?based parts. The device combines a compact pin count, multiple on?chip peripherals and ultra?low active and standby modes to cut system power. For sourcing and manufacturer details consult IC Manufacturer and the official product resources for verified ordering and packaging information.
MSP430FR2155TDBT Technical Specifications
| Parameter | Value |
|---|---|
| CPU architecture | 16?bit RISC |
| Nonvolatile memory | FRAM, 16 KB |
| SRAM (data) | 512 B |
| Maximum CPU clock | 16 MHz |
| Core supply voltage (VCC) | 1.8 V ?C 3.6 V |
| Analog converter | 12?bit ADC |
| Timers | 2 ?? 16?bit timers |
| GPIO / I/O pins | 16 general?purpose I/Os |
| Package type | 20?pin VSSOP / TDBT tape and reel option |
| Operating temperature range | ?40 ??C to +85 ??C |
MSP430FR2155TDBT Key Features
- Single 16?bit CPU core that balances performance and code density for efficient control loops.
- Integrated FRAM providing fast, byte?write nonvolatile storage and higher endurance versus typical flash, reducing data?write latency.
- Low?voltage operation (1.8?C3.6 V) suitable for single?cell battery systems and robust for industrial rails.
- On?chip 12?bit ADC and multiple timers enabling precise sensor interfacing and real?time event timing without external components.
- Ultra?low power modes that cut standby consumption for longer battery life in portable or remote applications.
- Compact 20?pin package with tape?and?reel options for automated assembly and cost?effective board integration.
Typical Applications
- Battery?powered consumer sensors: control and log sensor data with minimal active current and extend battery life through deep standby modes, suitable for wireless sensor nodes.
- Industrial monitoring endpoints: local data acquisition with FRAM reliability for frequent nonvolatile writes and robust operation across ?40 ??C to +85 ??C ambient.
- Low?power motor and actuator controllers: use 16?bit timers and ADC inputs to implement closed?loop control while keeping system complexity and BOM count low.
- Portable medical devices: capture and store patient or device state with fast nonvolatile writes and low leakage to preserve data and battery between uses.
MSP430FR2155TDBT Advantages vs Typical Alternatives
The device uses FRAM instead of flash, delivering faster write speeds and higher endurance for frequent data logging. Its 16?bit core combines lower code size than many 32?bit MCUs and lower active current than heavier architectures. Compared with EEPROM?backed microcontrollers, it provides faster nonvolatile updates and simpler code paths for wear?free storage. The compact package and broad supply range make it easier to integrate into both low?cost and rugged designs while maintaining lower standby consumption than many alternatives.
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MSP430FR2155TDBT Brand Info
The MSP430FR2155TDBT is part of Texas Instruments?? MSP430 FRAM microcontroller family. Texas Instruments is a global semiconductor company known for analog and embedded processing products. This part benefits from TI??s ecosystem of development tools, reference code and support tailored to low?power embedded applications.
FAQ
What type of nonvolatile memory is used?
The device uses FRAM (ferroelectric RAM) which offers fast, byte?wise writes and high endurance compared with flash or EEPROM, improving data?logging and configuration update workflows.
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What supply voltage is required?
Operation is supported across a low voltage range, typically centered on 1.8 V to 3.6 V, enabling single?cell battery use and compatibility with common industrial rails without level shifting.
How many I/O pins are available?
The MCU exposes multiple general?purpose I/O lines, with a typical count of 16 usable GPIOs in the compact 20?pin package for interfacing sensors, indicators and control signals.
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Is the ADC suitable for sensor interfaces?
Yes, the integrated 12?bit ADC provides sufficient resolution for many analog sensors and battery monitoring tasks while reducing the need for external ADC components.
Where can I get development resources?
Development tools and sample code for this family are available from Texas Instruments?? toolchain and user community. Use TI??s development kits and application notes to accelerate board bring?up and firmware development.