MSP430FR5949IRHAR Overview
The MSP430FR5949IRHAR is a low-power, 16-bit microcontroller in the MSP430 FRAM family designed for energy?sensitive industrial and consumer systems. It combines nonvolatile FRAM memory technology with the traditional MSP430 instruction set to deliver fast write speeds and high endurance while maintaining low active and standby currents. The device targets metering, portable instrumentation, and human?machine interface designs where reliability and write/erase speed matter. More detailed product ordering and support information is available from IC Manufacturer.
MSP430FR5949IRHAR Technical Specifications
| Parameter | Value |
|---|---|
| CPU architecture | 16?bit MSP430 core |
| Nonvolatile memory type | FRAM (ferroelectric RAM) |
| Typical operating voltage | 1.8 to 3.6 V |
| Maximum CPU clock | Up to 16 MHz |
| Analog-to-digital converter | 12?bit ADC (multi-channel) |
| Digital interfaces | UART, SPI, I2C serial peripherals |
| Package type (suffix) | RHA (compact QFN/SSOP family style) |
| Operating temperature range | ?40 ??C to +85 ??C (industrial range) |
| Supply current ?? active | Ultra-low active consumption (uA to low mA class) |
| On-chip timers | Multiple 16?bit timers / capture?compare units |
MSP430FR5949IRHAR Key Features
- 16?bit MSP430 core ?? delivers compact code density and predictable timing for real-time control.
- FRAM nonvolatile memory ?? enables faster writes and far higher endurance than traditional flash, reducing write latency in data-logging and calibration tasks.
- Ultra?low?power operation ?? supports long battery life through low active and standby currents and multiple low?power modes.
- Integrated analog and digital peripherals ?? includes a 12?bit ADC and standard serial ports, simplifying sensor interfacing and communication.
- Industrial temperature range ?? suitable for outdoor and factory-floor deployments where thermal performance matters.
- Compact package options ?? minimizes PCB area for space-constrained applications while offering extensive I/O.
Typical Applications
- Battery-powered metering and portable instruments that require fast, frequent nonvolatile writes and long operational life between charges.
- Industrial sensor nodes that need low standby current, reliable data logging to FRAM, and deterministic real-time response.
- Human?machine interfaces with capacitive touch or keypad scanning, where FRAM preserves configuration and calibration data instantly.
- Consumer and medical devices requiring robust nonvolatile storage, low electromagnetic emissions, and compact PCB footprint for handheld designs.
MSP430FR5949IRHAR Advantages vs Typical Alternatives
The FRAM?based MSP430 part offers clear advantages over many flash?based microcontrollers: faster nonvolatile writes for frequent data logging, higher endurance for repeated update cycles, and lower energy per write that preserves battery life. Compared to higher?performance 32?bit MCUs, this device provides simpler integration, lower quiescent current, and smaller code/data footprints, making it preferable for cost?sensitive, ultra?low?power embedded designs.
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MSP430FR5949IRHAR Brand Info
The MSP430FR5949IRHAR is part of the MSP430 family from Texas Instruments, a long?established semiconductor vendor. TI??s MSP430 portfolio emphasizes ultra?low power, FRAM memory options, and broad development support, including software libraries and evaluation modules tailored to industrial and battery?operated applications.
FAQ
What memory type is used?
The device uses FRAM (ferroelectric RAM) as its nonvolatile memory, which provides faster write speeds and higher endurance compared with traditional flash memory, improving data?logging and frequent update use cases.
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Is the MCU suited for battery operation?
Yes. The MSP430 family is optimized for ultra?low power with multiple low?power modes and low active/standby currents, making it well suited for battery?powered meters, sensors, and portable instruments.
Which serial interfaces are available?
Standard serial peripherals such as UART, SPI, and I2C are available on this device, enabling easy connection to sensors, displays, and external communications modules in embedded systems.
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What temperature range does it support?
The device is specified for industrial operation, supporting an extended temperature range commonly used in factory, outdoor, and automotive?adjacent environments for reliable performance.
How does FRAM benefit calibration data?
FRAM enables near?instant, low?energy writes with very high cycle endurance, which secures calibration and configuration parameters without slowing system response or risking flash wear-out over many updates.