MSP430FR2633IDA 16-bit FRAM Microcontroller

MSP430FR2633IDA Overview

The MSP430FR2633IDA is an ultra-low-power, 16-bit microcontroller that combines a compact CPU with nonvolatile ferroelectric RAM to deliver fast writes and high endurance for battery-powered and industrial control systems. It targets lower-power designs requiring more write cycles than flash offers and better run-time flexibility than EEPROM. The device pairs analog conversion and multi-protocol serial peripherals with deterministic timers for control tasks. For sourcing and detailed support, visit IC Manufacturer.

MSP430FR2633IDA Technical Specifications

MSP430FR2633IDA Key Features

• Single 16-bit RISC core that reduces code size and increases instruction efficiency compared to 8-bit MCUs.
• FRAM nonvolatile memory offering fast, low-energy writes and endurance advantages over flash for frequent data logging.
• Low-voltage operation at 1.8?C3.6 V, enabling longer life on smaller batteries and simpler power-rail design.
• Integrated 12-bit ADC and analog peripherals that simplify sensor interfaces and reduce external component count.
• Multiple serial interfaces (UART, SPI, I2C) for flexible connectivity to sensors, memory, and other ICs.
• Two 16-bit timers with capture/compare for precise PWM, timing, and control tasks in motor and actuator applications.
• Compact GPIO set that supports mixed-signal control and conserves board area compared to larger MCUs.
• Industrial temperature range support for reliable operation in harsh or outdoor environments.

Typical Applications

• Battery-powered sensor nodes that require frequent nonvolatile data writes and low active plus standby current to extend field life for remote monitoring.
• Industrial control modules where deterministic timers and reliable nonvolatile FRAM reduce boot delays and improve firmware update robustness.
• Human-machine interfaces with multiple buttons and simple displays, where the MCU’s serial peripherals and low power modes maximize runtime between service intervals.
• Portable medical instruments that need accurate 12-bit ADC readings, frequent parameter logging, and dependable data retention across power cycles.

MSP430FR2633IDA Advantages vs Typical Alternatives

The device combines a 16-bit core with FRAM, delivering faster write speeds and higher endurance than comparable flash-based MCUs. It supports lower-voltage operation (1.8?C3.6 V) and a small SRAM footprint that keeps BOM and board area lower than many 32-bit alternatives. With integrated 12-bit ADC and multiple serial interfaces, it replaces systems that otherwise need external converters or glue logic. Overall, it offers a better balance of write endurance, power, and peripheral integration for many embedded and industrial designs.

MSP430FR2633IDA Brand Info

Tied to a long-standing MCU lineage, this device is part of the MSP430 family from Texas Instruments. The brand is known for low-power microcontrollers and broad support materials, including reference designs, development tools, and application notes that help accelerate evaluation and production integration.

FAQ

What type of memory does it use?

It uses ferroelectric RAM (FRAM), a form of nonvolatile memory that supports fast, low-energy writes and very high write endurance compared with flash.

What supply voltage is required?

Designed for flexible power rails, the validated supply range spans from 1.8 volts up to 3.6 volts, enabling use with common battery chemistries and regulated supplies in portable designs.

How precise is the on-chip ADC?

The integrated analog-to-digital converter provides 12-bit resolution, which is suitable for many sensor and measurement tasks where mid-range precision and low power are required.

Which serial interfaces are supported?

The device includes enhanced universal serial communication interfaces that can be configured for UART, SPI, and I2C, allowing connection to displays, sensors, and external memory.

Is it suitable for industrial temperature ranges?

Yes. Rated operation spans from -40 ??C to +85 ??C, making it appropriate for many industrial and outdoor applications where extended temperature tolerance is required.