MSP430FR59891IRGCT Overview
The MSP430FR59891IRGCT is a low-power, 16-bit microcontroller built on FRAM nonvolatile memory. It targets battery-powered and energy-conscious industrial designs that need more retention, faster writes, and higher write endurance than flash. The device pairs ultra-low active and standby currents with a rich set of analog and digital peripherals. That mix makes it suitable for meters, sensors, and handheld instruments that demand longer field life, faster configuration updates, and robust real-time control. Learn more from IC Manufacturer.
MSP430FR59891IRGCT Technical Specifications
| Parameter | Value |
|---|---|
| CPU architecture | 16-bit RISC MSP430 core |
| Nonvolatile memory | FRAM (Ferroelectric RAM) ?? high endurance, fast writes |
| Typical core clock | Up to 16 MHz |
| Operating voltage | 1.8 V to 3.6 V supply range |
| Package | 64-pin LQFP (suffix IRGCT) |
| General-purpose I/O | Multiple GPIOs across 64 pins (dozens of signals) |
| Analog input | 12-bit ADC (multichannel sampling) |
| Serial peripherals | eUSCI modules: UART, SPI, I2C compatible |
| Timers | Multiple Timer_A and Timer_B modules for PWM and capture |
| Low-power modes | Several LPM states optimized for microamp and nanoamp standby |
| Operating temperature | Industrial range (?40 ??C to +85 ??C) |
| Special features | FRAM endurance, fast write times, DMA support for peripherals |
MSP430FR59891IRGCT Key Features
- FRAM nonvolatile memory ?? allows up to orders-of-magnitude higher write endurance and faster in-system writes compared with typical flash, reducing maintenance and increasing field updates.
- Ultra-low-power operation ?? multiple low-power modes reduce standby and active power, enabling longer battery life for remote sensors and portable instruments.
- Integrated analog and digital peripherals ?? on-chip 12-bit ADC, timers, and serial ports enable tighter integration and fewer external devices for smaller BOM and lower system cost.
- Deterministic MCU core ?? a 16-bit MSP430 core optimizes code density and energy per instruction, which matters more for real-time embedded control than raw MHz alone.
Typical Applications
- Battery-powered industrial sensors and data loggers that need frequent configuration updates and nonvolatile storage without sacrificing write endurance.
- Handheld measurement instruments and portable testers requiring low standby current, fast FRAM writes for results logging, and precise ADC measurements.
- Smart metering endpoints that benefit from FRAM??s high write cycles for usage counters, fast nonvolatile state saves, and lower maintenance costs over years.
- Control nodes in building automation that need multiple serial interfaces, hardware timers for PWM control, and reliable nonvolatile storage across power cycles.
MSP430FR59891IRGCT Advantages vs Typical Alternatives
The device delivers a distinct advantage where reliable, frequent nonvolatile writes and low-power operation matter most. Compared with flash-based microcontrollers, FRAM offers faster write speeds and substantially higher endurance, which reduces system-level wear and maintenance over time. The 16-bit MSP430 core and integrated ADC and serial peripherals limit external components, lowering BOM and board area. For industrial and battery-driven designs, this combination yields better long-term reliability and lower energy per operation.
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MSP430FR59891IRGCT Brand Info
The MSP430 family is produced by Texas Instruments. TI positions these MCUs as ultra-low-power, high-reliability microcontrollers for industrial and portable applications. The brand emphasizes long-term availability, broad toolchain support, and extensive peripheral integration to accelerate design cycles and reduce system complexity.
FAQ
What memory type does it use?
The device uses FRAM (Ferroelectric RAM) nonvolatile memory. FRAM provides faster write speeds and higher write endurance versus traditional flash, enabling frequent in-field data logging and configuration updates without extra wear.
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What is the operating voltage range?
It operates over a low-voltage range around 1.8 V to 3.6 V. That range supports single-cell battery operation and common system power rails in industrial and portable equipment.
Which serial interfaces are available?
Integrated eUSCI modules provide standard serial interfaces including UART, SPI, and I2C. These interfaces allow direct connection to sensors, radios, and other peripherals without external bridge chips.
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How is power consumption optimized?
Multiple low-power modes and an energy-efficient 16-bit core reduce active and standby consumption. Designers can select modes that trade latency for microamp-level standby currents to extend battery life.
Is it suitable for industrial temperatures?
Yes. The part is specified for industrial temperature operation, providing reliable performance across a wide thermal range suitable for factory, utility, and field-deployed applications.