Texas Instruments MSP430FR5889IPMR

Overview

MSP430FR5889IPMR from Texas Instruments is a 16-bit ultra-low-power FRAM microcontroller with 128KB nonvolatile memory, 2KB RAM, 12-bit ADC (12 external inputs), RTC, and extended scan interface (ESI) for metering applications. It operates from 1.8 V to 3.6 V and supports LPM3.5 mode at 0.35 µA typical for real-time clock operation.

For engineers reviewing the MSP430FR5889IPMR datasheet, MSP430FR5889IPMR pinout, MSP430FR5889IPMR application, or MSP430FR5889IPMR equivalent, key selection criteria include FRAM endurance (10¹⁵ write cycles), ESI peripheral for background analog sensing, integrated LCD driver (up to 320 segments), and dual eUSCI modules supporting UART/IrDA/SPI/I²C in low-power modes.

Technical Context

The MSP430FR5889IPMR implements the CPUXV2 core with 16 general-purpose registers and executes instructions at up to 16 MHz. Its clock system integrates DCO (10 factory-trimmed frequencies), LFXT (32-kHz crystal), HFXT (high-frequency crystal), and VLO for flexible low-power timing.

Peripherals include three 16-bit Timer_A modules (TA0/TA1/TA2/TA3), one 16-bit Timer_B (TB0), 32-bit hardware multiplier, 3-channel DMA, CRC16/CRC32 engines, and an extended scan interface (ESI) optimized for capacitive sensing in water/heat meters without external components.

Key Specifications

Pinout & Package

LQFP-64 package (10 mm × 10 mm), thermally enhanced with exposed pad; 64-pin layout supports full peripheral access including ESI, LCD, ADC, and dual eUSCI interfaces.

Key Features

Applications

Equivalent & Alternatives

The following parts are listed as comparable options for similar ultra-low-power FRAM microcontroller applications.

Compared with MSP430FR5969IPM, the MSP430FR5889IPMR omits AES but retains identical ESI performance and FRAM endurance-ideal for cost-sensitive metering where security is handled externally. Against MSP430FR6889IPN, it trades LCD segment count for smaller footprint and lower pin count, simplifying PCB layout in space-constrained designs.

Availability

MSP430FR5889IPMR is available at Aetrix Electronics and suitable for water metering, heat cost allocation, and portable medical instrumentation requiring stable component supply and long-term industrial lifecycle support.

Supply support for MSP430FR5889IPMR includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.

Manufacturer

Texas Instruments is a global semiconductor leader delivering analog and embedded processing solutions with emphasis on energy efficiency, reliability, and system integration.

The MSP430 ULP FRAM portfolio targets battery-operated sensing and measurement applications, combining ferroelectric memory with ultra-low-power architecture to extend operational lifetime in utility, medical, and industrial endpoints.

FAQ

What is the maximum operating frequency of the MSP430FR5889IPMR?

The MSP430FR5889IPMR supports a maximum system clock frequency of 16 MHz using the integrated digitally controlled oscillator (DCO). This frequency is factory-trimmed across 10 selectable settings and can be further calibrated using external crystals (HFXT/LFXT) or the internal VLO source for ultra-low-power operation.

Does the MSP430FR5889IPMR include hardware encryption capabilities?

No, the MSP430FR5889IPMR does not integrate a hardware AES engine. It includes a true random number seed generator for cryptographic algorithm initialization but relies on software-based encryption. For hardware-accelerated AES-128, consider the MSP430FR5969IPM, which shares the same FRAM and ESI features but adds dedicated encryption logic.

How many external ADC input channels does the MSP430FR5889IPMR support?

The MSP430FR5889IPMR supports 12 external analog input channels via its ADC12_B module. This is confirmed in the device comparison table (Table 3-1) and functional block diagram, distinguishing it from the MSP430FR6889IPN which supports 16 external ADC inputs alongside full LCD_C functionality.

What LCD segment count is supported by the MSP430FR5889IPMR?

The MSP430FR5889IPMR supports up to 48 LCD segments, as specified in the device comparison table (Table 3-1) under the "LCD_C" column for the MSP430FR588x series. This differs from the MSP430FR688x series (e.g., MSP430FR6889IPN), which supports up to 320 segments with full static/muxed LCD driving capability.

Is the MSP430FR5889IPMR pin-compatible with other devices in the MSP430FR588x family?

Yes, the MSP430FR5889IPMR is pin-compatible with other 64-pin variants in the MSP430FR588x family, including MSP430FR5888IPMR and MSP430FR5887IPMR, sharing identical LQFP-64 (PM) and VQFN-64 (RGC) package footprints and signal mappings per the pin diagrams in Section 4.1 of the datasheet.