MSP430FR5738IPWR Overview
The MSP430FR5738IPWR is a low?power, 16?bit microcontroller that integrates nonvolatile FRAM memory and a broad set of analog and digital peripherals. It targets battery?sensitive industrial and portable designs that demand more write endurance and faster nonvolatile writes than typical flash?based controllers. The device offers a compact 64?pin package and multiple serial interfaces for faster system integration. For sourcing and detailed ordering, consult IC Manufacturer.
MSP430FR5738IPWR Technical Specifications
| CPU | 16?bit RISC core |
| Nonvolatile memory | 32 KB FRAM |
| RAM | 2 KB SRAM |
| Maximum clock | 16 MHz |
| Supply voltage | 1.8 V to 3.6 V |
| Operating temperature | -40 ??C to +85 ??C |
| Package | 64?pin TSSOP (PWR) |
| ADC | 12?bit ADC (multiple channels) |
| Timers | Multiple 16?bit timers (Timer_A / Timer_B) |
| Serial interfaces | UART, SPI, I2C (eUSCI modules) |
| Low?power modes | Multiple LPM states for reduced active and standby current |
MSP430FR5738IPWR Key Features
- Single 16?bit core for compact code density and deterministic performance in control tasks.
- Integrated FRAM memory for high write endurance and faster nonvolatile writes than flash, reducing update latency.
- Low supply range and multiple low?power modes for extended battery life in portable or remote applications.
- Rich analog subsystem including a 12?bit ADC and multiple timers for precise sensing and timing without external components.
- Multiple serial interfaces (UART, SPI, I2C) for flexible connectivity and faster integration with sensors and peripherals.
- Compact 64?pin package for higher pin count in a smaller board area compared with larger MCUs.
Typical Applications
- Battery?powered industrial sensors that require frequent nonvolatile data logging and low standby current over long field deployments.
- Portable handheld instruments that need quick nonvolatile configuration updates and precise 12?bit analog measurements for better accuracy.
- Energy?metering and power monitoring devices that benefit from FRAM endurance for repeated metrology writes and reliable long?term data retention.
- IoT edge nodes where constrained power budgets and multiple serial interfaces enable compact designs with efficient sensor connectivity and local processing.
MSP430FR5738IPWR Advantages vs Typical Alternatives
The device combines FRAM endurance and write speed with a 16?bit core that typically consumes less active power than many 32?bit alternatives in similar tasks. Compared to flash?based MCUs, it enables more frequent nonvolatile writes without endurance worries. The 1.8?C3.6 V supply range and multiple low?power modes deliver greater battery life. Integrated ADC and timers reduce external components, lowering BOM cost and board area while speeding time?to?market.
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MSP430FR5738IPWR Brand Info
The MSP430 family is produced by Texas Instruments, a long?established semiconductor supplier. TI positions this FRAM?based MCU lineup for low?power, high?reliability embedded applications where nonvolatile memory performance and energy efficiency matter most.
FAQ
What is FRAM and why use it?
FRAM is a nonvolatile memory technology that provides fast write speeds, low write energy, and very high write endurance compared with flash. It suits applications that need frequent persistent updates and quick configuration saves.
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What supply voltage does it support?
The device operates across a low supply range suitable for single?cell and multi?cell battery systems. This allows direct interfacing in many portable and industrial power architectures without extra regulators.
How many serial interfaces are available?
Multiple serial interfaces are included, typically supporting UART, SPI, and I2C via enhanced USCI/eUSCI modules. These interfaces simplify connecting sensors, memory, and external radios.
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Is it suitable for battery?powered designs?
Yes. The MCU offers multiple low?power modes and a low operating current profile, making it appropriate for battery?powered and energy?harvesting applications that need long operational life.
What package should I select for compact boards?
The 64?pin TSSOP package provides a high pin count in a compact footprint. It enables more I/O and peripheral routing while keeping board area and assembly cost lower than larger packages.