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Texas Instruments MSP430FR6927IPMR

Name: MSP430FR6927IPMR
Brand: Texas Instruments
SKU: MSP430FR6927IPMR
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

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Part No.:: MSP430FR6927IPMR

Manufacturer:: Texas Instruments

Category:: Microcontrollers

Package:: 64-LQFP

Datasheet:: MSP430FR6927IPMR.pdf

Description:: IC MCU 16BIT 64KB FRAM 64LQFP

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Product details

Overview

MSP430FR6927IPMR from Texas Instruments is a 16-bit ultra-low-power FRAM microcontroller designed for battery-powered metering and data-logging applications. It integrates 64KB of nonvolatile FRAM, 2KB RAM, a 12-bit ADC with 8 external inputs, LCD driver supporting up to 116 segments (4-mux), and real-time clock with calendar. Its active current is ~100 µA/MHz, standby (LPM3) is 0.4 µA, and RTC-only mode (LPM3.5) draws 0.35 µA typical - enabling multi-year operation on coin-cell batteries in water/heat meters.

For engineers reviewing the MSP430FR6927IPMR datasheet, MSP430FR6927IPMR pinout, MSP430FR6927IPMR application, or MSP430FR6927IPMR equivalent, key selection criteria include FRAM endurance (10¹⁵ write cycles), integrated LCD drive capability, capacitive touch I/O support across all ports P1–P10/PJ, AES256 encryption coprocessor, and absence of HFXT oscillator (LFXT only).

Technical Context

The MSP430FR6927IPMR implements the MSP430 CPUXV2 core with 16 general-purpose registers and executes instructions at up to 16 MHz using a factory-trimmed DCO or 32-kHz LFXT crystal. Its low-power architecture supports seven operating modes, including LPM3.5 (RTC active, CPU off) and LPM4.5 (shutdown at 0.02 µA), optimized for intermittent sensing and long sleep intervals.

Peripherals include three eUSCI modules (eUSCI_A0/A1 for UART/IrDA/SPI; eUSCI_B0/B1 for I²C/SPI), dual 16-bit Timer_A units (TA0/TA1) and one 16-bit Timer_B (TB0), 32-bit hardware CRC engine, 3-channel DMA, and an AES256 security coprocessor. The device lacks HFXT support - confirmed in Figure 1-2 and Section 1.4 - limiting clock sources to DCO, VLO, and LFXT only.

Key Specifications

Parameter	Value and Actual Design Meaning
Core Architecture	16-bit RISC CPUXV2, up to 16-MHz operation with DCO or LFXT clock source
Nonvolatile Memory	64KB FRAM - enables instant writes, 10¹⁵ endurance, no erase before write, unified memory space
RAM	2KB SRAM - used for stack, variables, and high-speed buffering during active processing
ADC	12-bit SAR ADC with internal reference, sample-and-hold, and up to 8 external input channels
LCD Driver	Integrated LCD_C module supporting up to 116 segments in 4-mux configuration - eliminates external display controller
Low-Power Modes	LPM3.5 (RTC active): 0.35 µA typical; LPM4.5 (shutdown): 0.02 µA typical - critical for >10-year battery life
Crypto Engine	AES256 coprocessor with true random number seed - enables secure firmware updates and data encryption

Pinout & Package

The MSP430FR6927IPMR is housed in a 64-pin VQFN package (RGC) measuring 9 mm × 9 mm with exposed thermal pad. TI recommends connecting the exposed pad to VSS for optimal thermal performance and EMI reduction.

Pin/Terminal	Circuit Role	Design Meaning
P1.0–P1.7	General-purpose I/O with capacitive touch, timer, USCI, ADC, and LCD segment functions	Supports wake-up from LPM on edge; configurable pullup/pulldown; no external components needed for touch sensing
P2.0–P2.7	General-purpose I/O with USCI, timer, RTCCLK, and LCD common outputs (COM0–COM7)	Directly drives LCD backplane; TB0 CCR3–CCR6 available for PWM or capture; UART BSL uses P2.0/P2.1
P3.0–P3.7	General-purpose I/O with USCI, timer, and LCD segment functions	eUSCI_B1 and eUSCI_A1 peripherals mapped here; supports I²C slave addressing and SPI master/slave operation
P4.0–P4.7	General-purpose I/O with USCI, timer, and LCD segment functions	UCA0 and UCB1 signals routed here; P4.2 serves dual role as UCA0SIMO and UCB1CLK - requires careful signal routing
P5.0–P5.7	General-purpose I/O with timer, USCI, and LCD segment functions	TA1 outputs and eUSCI_A1 signals assigned; P5.2 provides ACLK output - useful for synchronizing external logic
P6.0–P6.7	LCD voltage control, COM outputs, comparator, and timer functions	P6.1 supplies LCDREF; P6.3–P6.6 drive COM0–COM3; P6.2 outputs comparator result - enables analog threshold detection
P7.0–P7.7	General-purpose I/O with timer and LCD segment functions	TA0 outputs mapped here; P7.1–P7.3 provide TA0.0–TA0.2 - suitable for precise timing or PWM generation
P8.0–P8.7	General-purpose I/O with RTC, DMA, MCLK, and ADC inputs	P8.0 accepts RTCCLK input; P8.1 enables DMA event trigger; P8.4–P8.7 serve as ADC analog inputs A7–A4
P9.0–P9.7	General-purpose I/O with ADC inputs	ADC analog inputs A8–A15 - expands total analog channel count to 16 when combined with P8.x
P10.0–P10.2	General-purpose I/O with SMCLK, timer, and LCD segment functions	P10.0 outputs SMCLK; P10.2 supports TA1.0 and LCD segment - useful for system clock distribution and display control
PJ.0–PJ.5	JTAG/SBW debug, clock inputs, and LCD capacitor connection	PJ.4/PJ.5 connect to 32-kHz LFXT crystal; PJ.0–PJ.3 support Spy-Bi-Wire debugging; PJ.6/PJ.7 are NC on MSP430FR692x
DVCC/DVSS, AVCC/AVSS	Digital and analog power supply pins	Four DVCC/DVSS pairs ensure clean digital rail decoupling; AVCC/AVSS dedicated for ADC/LCD analog circuitry
RST/NMI/SBWTDIO	Reset, non-maskable interrupt, and debug interface	Single pin supports reset assertion, NMI triggering, and bidirectional Spy-Bi-Wire communication - reduces PCB footprint

Key Features

Feature	Design Value
Ferroelectric RAM (FRAM)	64KB nonvolatile memory with 125 ns write time per word and 10¹⁵ write-cycle endurance - eliminates flash wear-out concerns in logging applications
Ultra-Low-Power Operation	0.35 µA in RTC-active LPM3.5 mode enables decade-long operation on CR2032 batteries without recharge or replacement
Integrated LCD Driver	Drives up to 116 segments in 4-mux configuration with programmable contrast - removes need for external display IC and reduces BOM cost
Capacitive Touch I/O	All 52 GPIO pins (P1–P10, PJ) support capacitive touch sensing without external components - simplifies human-interface design in meters
AES256 Security Coprocessor	Hardware-accelerated encryption/decryption with true random number seed - secures firmware updates and encrypted data storage
Flexible Clock System	DCO with 10 factory-trimmed frequencies + 32-kHz LFXT support - provides accurate timing for RTC and low-jitter operation without external high-frequency crystal

Applications

Water Metering	Heat Cost Allocation
Use Scenario: Battery-powered ultrasonic or mechanical water meter recording flow rate, temperature, and cumulative volume every 15 minutes. IC Role / Device Role / Timing Role: Main system controller executing metrology algorithms, managing FRAM-based data logging, driving segmented LCD display, and maintaining RTC calendar. Use Value: 0.35 µA LPM3.5 current extends CR2032 battery life beyond 12 years; FRAM enables reliable timestamped log writes without wear leveling overhead.	Use Scenario: Compact heat cost allocator mounted on radiator, measuring temperature differential and runtime to allocate heating costs per unit. IC Role / Device Role / Timing Role: Sensor fusion hub aggregating analog temperature inputs, computing energy consumption, updating LCD display, and storing daily totals in FRAM. Use Value: Integrated 12-bit ADC with internal reference eliminates external precision references; capacitive touch I/O enables sealed front-panel button interface.
Portable Medical Logging	Industrial Data Logger
Use Scenario: Handheld glucose monitor or blood pressure cuff that records measurements with timestamps and transmits via UART to companion app. IC Role / Device Role / Timing Role: Primary MCU handling sensor acquisition, data encryption (AES256), secure storage, and serial communication via eUSCI_A0. Use Value: AES256 coprocessor ensures HIPAA-compliant data protection; FRAM allows immediate write-on-capture without latency or data loss risk.	Use Scenario: DIN-rail-mounted environmental logger capturing temperature, humidity, and voltage readings every hour for industrial facility monitoring. IC Role / Device Role / Timing Role: Standalone data acquisition node performing scheduled sampling, CRC-32 integrity checks, and FRAM-based circular buffer management. Use Value: 32-bit CRC engine validates stored data integrity; 64KB FRAM stores >100,000 timestamped samples with guaranteed retention over 10+ years.

Water Metering

Heat Cost Allocation

Use Scenario: Battery-powered ultrasonic or mechanical water meter recording flow rate, temperature, and cumulative volume every 15 minutes.

IC Role / Device Role / Timing Role: Main system controller executing metrology algorithms, managing FRAM-based data logging, driving segmented LCD display, and maintaining RTC calendar.

Use Value: 0.35 µA LPM3.5 current extends CR2032 battery life beyond 12 years; FRAM enables reliable timestamped log writes without wear leveling overhead.

Use Scenario: Compact heat cost allocator mounted on radiator, measuring temperature differential and runtime to allocate heating costs per unit.

IC Role / Device Role / Timing Role: Sensor fusion hub aggregating analog temperature inputs, computing energy consumption, updating LCD display, and storing daily totals in FRAM.

Use Value: Integrated 12-bit ADC with internal reference eliminates external precision references; capacitive touch I/O enables sealed front-panel button interface.

Portable Medical Logging

Industrial Data Logger

Use Scenario: Handheld glucose monitor or blood pressure cuff that records measurements with timestamps and transmits via UART to companion app.

IC Role / Device Role / Timing Role: Primary MCU handling sensor acquisition, data encryption (AES256), secure storage, and serial communication via eUSCI_A0.

Use Value: AES256 coprocessor ensures HIPAA-compliant data protection; FRAM allows immediate write-on-capture without latency or data loss risk.

Use Scenario: DIN-rail-mounted environmental logger capturing temperature, humidity, and voltage readings every hour for industrial facility monitoring.

IC Role / Device Role / Timing Role: Standalone data acquisition node performing scheduled sampling, CRC-32 integrity checks, and FRAM-based circular buffer management.

Use Value: 32-bit CRC engine validates stored data integrity; 64KB FRAM stores >100,000 timestamped samples with guaranteed retention over 10+ years.

Equivalent & Alternatives

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

Alternative Part	Technical Difference	Application Difference	Selection Advice
MSP430FR69271IPMR	I²C bootloader (BSL) instead of UART BSL; identical FRAM/RAM, peripherals, and package	Requires I²C host for firmware updates instead of UART; same LCD, RTC, and sensor interface capabilities	Select when system already includes I²C master and UART resources are constrained
MSP430FR6928IPMR	96KB FRAM (vs. 64KB), 16 external ADC inputs (vs. 8), 240-segment LCD support (vs. 116)	Higher memory capacity suits extended logging duration; expanded ADC and LCD enable richer HMI in advanced meters	Choose when application requires >64KB persistent storage or larger segmented displays

Compared with MSP430FR69271IPMR, the MSP430FR6927IPMR offers UART-based field updates and identical low-power performance; versus MSP430FR6928IPMR, it trades memory and display capacity for lower cost and smaller code footprint in resource-constrained metering designs.

Availability

MSP430FR6927IPMR is available at Aetrix Electronics and suitable for water metering, heat cost allocation, and portable medical logging requiring stable component supply, long-term lifecycle support, and consistent FRAM reliability across production batches.

Supply support for MSP430FR6927IPMR 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 decades of expertise in ultra-low-power microcontrollers and energy-efficient system design.

The MSP430FR69xx product line targets battery-operated utility and industrial metering applications, combining FRAM nonvolatility, sub-µA real-time clock operation, integrated LCD drivers, and hardware security to replace legacy flash-based MCUs in safety-critical measurement systems.

FAQ

What is the maximum operating frequency of the MSP430FR6927IPMR?

The MSP430FR6927IPMR operates at up to 16 MHz using its digitally controlled oscillator (DCO) or external 32-kHz LFXT crystal. The DCO is factory-trimmed across 10 selectable frequencies, enabling precise clock tuning without external high-frequency crystals - a key advantage for compact, low-cost metering designs where HFXT is omitted.

Does the MSP430FR6927IPMR support hardware encryption?

Yes, the MSP430FR6927IPMR includes a dedicated AES256 security coprocessor with true random number seed generation. This enables fast, deterministic encryption and decryption of data stored in FRAM or transmitted via eUSCI interfaces - essential for securing firmware updates and protecting sensitive metering data in compliance with regulatory standards.

How many I/O pins does the MSP430FR6927IPMR have, and what special functions do they support?

The MSP430FR6927IPMR provides 52 general-purpose I/O pins across ports P1–P10 and PJ. All pins support capacitive touch sensing without external components, edge-selectable wake-up from low-power modes, and configurable pullup/pulldown resistors. Many pins also multiplex timer, USCI, ADC, and LCD segment functions - enabling flexible peripheral assignment in space-constrained layouts.

What LCD configuration does the MSP430FR6927IPMR support?

The MSP430FR6927IPMR integrates the LCD_C module supporting up to 116 segments in a 4-mux configuration. It provides dedicated COM0–COM7 outputs and segment drivers, along with programmable contrast control and internal charge pump - eliminating the need for external LCD bias circuitry and reducing bill-of-materials cost in utility meter displays.

Is the MSP430FR6927IPMR pin-compatible with other devices in the MSP430FR69xx family?

The MSP430FR6927IPMR shares the same 64-pin VQFN (RGC) package and pinout with MSP430FR69271IPMR and MSP430FR6928IPMR. Signal mapping, power pin locations, and peripheral assignments are identical across these variants - allowing drop-in replacement when upgrading FRAM size or changing bootloader interface, provided software accounts for functional differences.

MSP430FR6927IPMR Specifications

Product attributes: Attribute value

Manufacturer:: Texas Instruments

Package/Case:: 64-LQFP

Series:: MSP430™ FRAM

Packaging:: Tape & Reel (TR)

Product Status:: Active

Programmable:: Not Verified

Core Processor:: MSP430 CPUXV2

Core Size:: 16-Bit

Speed:: 16MHz

Connectivity:: I2C, IrDA, SCI, SPI, UART/USART

Peripherals:: Brown-out Detect/Reset, DMA, LCD, POR, PWM, WDT

Number of I/O:: 52

Program Memory Size:: 64KB (64K x 8)

Program Memory Type:: FRAM

EEPROM Size:: -

RAM Size:: 2K x 8

Voltage - Supply (Vcc/Vdd):: 1.8V ~ 3.6V

Data Converters:: A/D 8x12b

Oscillator Type:: Internal

Operating Temperature:: -40°C ~ 85°C (TA)

Grade:: -

Qualification:: -

Mounting Type:: Surface Mount

Supplier Device Package:

MSP430FR6927IPMR FAQ

1.How can I place an order for MSP430FR6927IPMR through Aetrix?

Please submit a Request for Quotation (RFQ) for MSP430FR6927IPMR on Aetrix. Our sales agent will provide a competitive quotation and guide you through the order confirmation once you accept the terms.

2.Are the price and stock information for MSP430FR6927IPMR reliable?

The price and inventory of MSP430FR6927IPMR are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MSP430FR6927IPMR is usually 5 days.

3.What payment methods are accepted for MSP430FR6927IPMR?

We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MSP430FR6927IPMR transactions.

Note: Certain payment methods may incur a processing fee.

4.How is shipping managed for MSP430FR6927IPMR?

MSP430FR6927IPMR orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.

Once your MSP430FR6927IPMR order is processed, you will receive an email with the shipment details and tracking number.

Note: Tracking information may take up to 24 hours to appear. Express delivery typically takes 3–5 business days.

5.How can I obtain technical support or documentation for MSP430FR6927IPMR?

For technical support, including MSP430FR6927IPMR datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MSP430FR6927IPMR requirements.

6.How does Aetrix verify that MSP430FR6927IPMR is sourced from the original manufacturer or authorized distributors?

All MSP430FR6927IPMR products on Aetrix are procured from qualified distributors and authorized channels. Our dedicated quality assurance team conducts strict verification, including traceability checks and, if necessary, third-party testing. This ensures that MSP430FR6927IPMR meets industry standards.

7.What is the process for return or replacement of MSP430FR6927IPMR?

All MSP430FR6927IPMR units undergo pre-shipment inspection (PSI). If there is an issue with MSP430FR6927IPMR, returns or replacements are accepted under the following conditions:

1.Quantity discrepancies, incorrect items, or visible external defects (such as breakage or corrosion), acknowledged by Aetrix.

2.The issue is reported within 90 days of delivery.

3.The MSP430FR6927IPMR part is unused and in its original packaging.

Return procedure for MSP430FR6927IPMR:

1.Submit a request within 90 days.

2.Obtain a Return Material Authorization (RMA) from Aetrix.

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