MSP430FR2355TRSMT Overview
The MSP430FR2355TRSMT is a low-power 16?bit microcontroller with nonvolatile FRAM memory and a flexible peripheral set. It targets battery?sensitive and industrial control designs that need faster wake times, fewer code?retention concerns, and deterministic behavior. Typical benefits include lower active and standby energy use, fast nonvolatile writes, and integrated analog and serial interfaces that reduce external component count. For sourcing and vendor support see IC Manufacturer.
MSP430FR2355TRSMT Technical Specifications
| Parameter | Value |
|---|---|
| CPU architecture | 16?bit MSP430 RISC |
| Nonvolatile memory | 16 KB FRAM |
| Volatile memory | 2 KB SRAM |
| Maximum CPU clock | 16 MHz |
| Operating voltage | 1.8 V to 3.6 V |
| ADC resolution | 12?bit |
| Temperature range | -40 ??C to +85 ??C |
| Package options | SMD packages (e.g., small LQFP/QFN style) |
| Serial interfaces | Multiple eUSCI modules: UART, SPI, I2C |
| Hardware multiplier / DMA | Integrated multiplier and DMA support |
MSP430FR2355TRSMT Key Features
- Single 16?bit core with low active power. This reduces energy per instruction and extends battery life.
- FRAM nonvolatile memory for fast writes and high endurance. This matters where frequent data logging or configuration saves are needed.
- Wide supply range (1.8?C3.6 V) for compatibility with common battery chemistries and industrial rails.
- Integrated 12?bit ADC plus timers and comparators. This lowers parts count and simplifies analog front?end design.
- Multiple serial interfaces (UART/SPI/I2C) to connect sensors, memory, and radios without external bridges.
- Low standby current modes for long idle times. This is useful in remote or energy?harvesting systems.
- Hardware multiplier and DMA to accelerate signal processing and offload the CPU for deterministic timing.
- Qualification for industrial temperature range for reliable operation in harsher environments.
Typical Applications
- Battery?powered sensor nodes that require frequent nonvolatile logging and long sleep intervals while minimizing power draw for months or years between charges.
- Industrial control panels that need deterministic I/O, robust analog measurement, and reliable nonvolatile storage for configuration parameters.
- Portable medical devices that demand low quiescent current, fast wake times, and frequent secure data writes with high endurance.
- Consumer and handheld instruments that integrate multiple serial sensors and displays while keeping PCB area and BOM cost low.
MSP430FR2355TRSMT Advantages vs Typical Alternatives
The MSP430FR2355TRSMT offers measurable advantages in low?power and nonvolatile performance when compared with flash?based microcontrollers. FRAM enables much faster nonvolatile writes and far higher endurance versus flash, which reduces system latency and simplifies data logging designs. Its lower active and standby currents make it more suitable for battery and energy?harvesting applications. Integrated analog, timer, and serial peripherals also reduce external components versus discrete alternatives, improving reliability and lowering system cost.
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MSP430FR2355TRSMT Brand Info
The device is produced by Texas Instruments, a long?standing semiconductor supplier for industrial and embedded markets. TI emphasizes reliable low?power microcontrollers and broad ecosystem support, including development kits, compilers, and application notes that simplify evaluation and design?in.
FAQ
What memory type does this device use?
The product uses FRAM for program and data storage. FRAM provides fast, low?energy writes and high endurance compared with traditional flash, making it suitable for frequent nonvolatile updates.
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What power supply voltages are supported?
The device accepts a wide supply range from 1.8 volts up to 3.6 volts. This allows direct operation from common battery chemistries and many industrial 3.3 V rails without additional regulation.
Is the device suitable for industrial temperature?
Yes. It is specified to operate across an industrial temperature window of -40 ??C to +85 ??C, supporting use in harsher environments and a wide range of deployment scenarios.
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Which serial interfaces are available?
Multiple eUSCI modules provide UART, SPI, and I2C connectivity. These standardized interfaces facilitate connection to sensors, memory, and radio modules without extra bridge chips.
How does FRAM affect system design?
FRAM reduces write latency and energy per write, and it supports high write endurance. Designers can store configuration and runtime data frequently without the complexity or wear concerns of flash memory.