MSP430FR2433IRGET Overview
The MSP430FR2433IRGET is a low-power, 16-bit microcontroller from a widely used FRAM-based MSP430 family. It combines non-volatile FRAM memory with an efficient 16-bit RISC core and a compact pinout, providing a reliable platform for battery-powered and sensor-driven industrial designs. This device targets applications that require fast writes, high endurance non-volatile storage, and multiple on-chip peripherals in a small footprint. For component sourcing and technical resources visit IC Manufacturer.
MSP430FR2433IRGET Technical Specifications
| Core | 16-bit RISC MCU |
| Maximum CPU Clock | 16 MHz |
| Non-volatile Memory | 4 KB FRAM |
| SRAM (RAM) | 256 bytes |
| Supply Voltage | 1.8 ?C 3.6 V |
| Operating Temperature | -40 ??C to +85 ??C |
| GPIO Pins | 16 general-purpose I/O |
| Timers | 2 ?? 16-bit timers |
| ADC | 12-bit, up to 8 channels |
| Serial Interfaces | UART / SPI / I2C (USCI modules) |
| Package | 20-pin VSSOP (IRGET) |
| Standby Current | Sub-??A in lowest power modes |
MSP430FR2433IRGET Key Features
- 16-bit RISC core for compact code and predictable timing, enabling efficient control and signal processing.
- Embedded FRAM non-volatile memory that supports fast, low-energy writes and high endurance for frequent logging.
- Wide supply range (1.8?C3.6 V) and ultra-low standby current to extend battery life in portable and remote systems.
- Integrated 12-bit ADC and multiple timers for direct sensor interfacing and precise timed control without external components.
Typical Applications
- Battery-powered sensing modules that require frequent non-volatile logging and minimal standby drain, such as wireless sensor nodes.
- Portable medical measurement devices needing reliable non-volatile storage, deterministic 16-bit processing, and low-power sleep modes.
- Industrial process monitors that combine multiple analog inputs, timers, and serial links for local control and data acquisition tasks.
- Consumer metering and handheld instruments where fast persistent writes, long data retention, and compact package density reduce BOM and board area.
MSP430FR2433IRGET Advantages vs Typical Alternatives
The device combines FRAM memory with an efficient 16-bit core to deliver faster non-volatile writes and much higher endurance than typical flash-based microcontrollers. This makes it better for frequent-logging use cases and for reducing write-latency in embedded systems. The supply range and ultra-low-power standby modes generally yield longer field life compared to comparable MCUs that lack FRAM or optimized low-power modes. Integrated ADCs and serial interfaces also reduce external component count, improving system integration and reliability.
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MSP430FR2433IRGET Brand Info
The MSP430FR2433IRGET is part of Texas Instruments’ MSP430 family of ultralow-power microcontrollers. TI positions this FRAM-equipped device for energy-conscious embedded designs, emphasizing long battery life, fast non-volatile data handling, and a strong ecosystem of development tools and reference designs for rapid prototyping and production scaling.
FAQ
What is the memory type?
The device uses embedded FRAM (ferroelectric RAM) as its non-volatile program and data store, enabling faster write times and higher endurance compared with conventional flash memory.
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What voltage range does it support?
It operates across a wide supply range, typically from 1.8 V to 3.6 V, making it suitable for direct connection to single-cell Li-ion systems and common industrial supplies.
Is it suitable for battery-powered designs?
Yes. The MCU is designed with ultra-low-power modes and sub-microamp standby currents, making it well suited for battery-powered and energy-harvesting applications that need long lifetime between charges or replacements.
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What peripherals are integrated?
On-chip peripherals include a multi-channel 12-bit ADC, 16-bit timers, and universal serial communication modules supporting UART, SPI, and I2C, enabling versatile sensor interfacing and communications without extra silicon.
Which package should I choose?
The IRGET suffix identifies a compact 20-pin VSSOP package that balances PCB area and pin accessibility, suitable for space-constrained industrial and consumer designs.




