MSP430FR5949IRHAT Overview
The MSP430FR5949IRHAT is a low-power, 16-bit microcontroller with non-volatile FRAM. It combines a compact core with integrated analog and digital peripherals for sensor, control, and metering tasks. Designers use it where low energy, fast writes to non-volatile memory, and flexible serial interfaces matter. For sourcing and component reference see IC Manufacturer.
MSP430FR5949IRHAT Technical Specifications
| CPU | 16-bit RISC |
| Maximum clock | 16 MHz |
| FRAM (Non-volatile) | 64 KB |
| SRAM | 2 KB |
| Operating voltage | 1.8 V to 3.6 V |
| Temperature range | -40 ??C to +85 ??C (industrial) |
| ADC | 12-bit, multi-channel |
| GPIO | 32 general-purpose I/O |
| Timers | Multiple 16-bit Timer_A modules |
| Serial interfaces | eUSCI modules for UART, SPI, I2C |
| Low-power modes | Multiple LPM states for microamp-class standby |
| Package option | Industrial-grade surface mount (IRHAT packaging) |
MSP430FR5949IRHAT Key Features
- 16-bit core ?? delivers efficient integer math and fast interrupt response for control loops.
- FRAM-based memory ?? enables high write endurance and near-instant non-volatile data storage, reducing power during logging.
- Low-voltage operation ?? runs from 1.8 V to 3.6 V, allowing battery and energy-harvesting designs with long runtime.
- 12-bit ADC and timers ?? provide precise sensor measurement and deterministic timing for PWM or capture tasks.
- Flexible serial peripherals ?? eUSCI supports UART, SPI, and I2C, easing integration with sensors and external power-management chips.
- Multiple low-power modes ?? reduce average current to microamp levels, improving energy efficiency in duty-cycled applications.
- Industrial temperature rating ?? supports robust operation in harsh ambient conditions for field-deployed systems.
Typical Applications
- Battery-powered sensor nodes that require frequent non-volatile logging, low sleep current, and reliable field operation for extended deployments.
- Industrial control panels that need deterministic timing, multiple serial interfaces, and non-volatile configuration storage across power cycles.
- Smart meters and metering peripherals that demand accurate ADC readings, robust non-volatile storage for counters, and long-term reliability.
- Portable medical devices where low power, secure persistent storage, and precise timing improve battery life and measurement accuracy.
MSP430FR5949IRHAT Advantages vs Typical Alternatives
Compared with flash-based microcontrollers, this FRAM device offers faster non-volatile writes and higher endurance. The 16-bit core gives better code density than many 32-bit alternatives in low-power roles. The device supports lower standby current than many general-purpose MCUs, which improves battery lifetime. Integrated 12-bit ADC and multiple serial ports reduce the need for external components. The industrial temperature rating and broad operating voltage range simplify system design for fielded equipment.
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MSP430FR5949IRHAT Brand Info
The MSP430FR5949IRHAT is part of the MSP430 family by Texas Instruments. The brand emphasizes low-power microcontrollers with FRAM technology and broad peripheral sets. Texas Instruments supports extensive development tools, reference designs, and documentation to speed evaluation and production for industrial and portable systems.
FAQ
What is the core architecture?
The device uses a 16-bit RISC core optimized for low-power control and efficient code density. The architecture supports fast interrupts and deterministic execution for real-time tasks.
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How much non-volatile memory is included?
It includes FRAM non-volatile memory suitable for frequent writes and long-term data retention. FRAM delivers fast write cycles and high endurance compared with flash memory.
Which serial interfaces are supported?
eUSCI modules provide flexible serial connectivity. Designers can configure these modules for UART, SPI, or I2C to connect sensors, displays, or external controllers.
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Is it suitable for battery devices?
Yes. The device supports multiple low-power modes and operates from 1.8 V to 3.6 V, making it suitable for coin cell, Li-ion, or energy-harvesting powered systems.
What industrial conditions can it handle?
The component is rated for industrial temperature ranges and is offered in surface-mount packaging suitable for field-deployed equipment that faces wide ambient temperature swings.




