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Texas Instruments MSP430FR6972IPM
- Part No.:
- MSP430FR6972IPM
- Manufacturer:
- Texas Instruments
- Category:
- Microcontrollers
- Package:
- 64-LQFP
- Datasheet:
-
MSP430FR6972IPM.pdf
- Description:
- IC MCU 16BIT 64KB FRAM 64LQFP
- Quantity:
- Payment:
- Shipping:
Inventory:4,550
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Product details
Overview
MSP430FR6972IPM from Texas Instruments is a 16-bit ultra-low-power FRAM microcontroller with 64KB nonvolatile memory, 2KB RAM, integrated 12-bit ADC, LCD driver (112 segments), and dual eUSCI modules supporting UART, I²C, and SPI. It operates from 1.8 V to 3.6 V and targets battery-powered utility meters and sensor nodes requiring RTC, capacitive touch, and AES-256 encryption.
For engineers reviewing the MSP430FR6972IPM datasheet, MSP430FR6972IPM pinout, MSP430FR6972IPM application, or MSP430FR6972IPM equivalent, key selection criteria include FRAM endurance (10¹⁵ writes), LPM3.5 RTC current (0.35 µA), AES-256 coprocessor support, 64-pin LQFP package, and UART/I²C BSL compatibility.
Technical Context
The MSP430FR6972IPM implements a 16-bit CPUXV2 core with seven low-power modes, including LPM3.5 (RTC active) and LPM4.5 (shutdown at 0.04 µA). Its clock system integrates DCO, LFXT (32 kHz crystal), and HFXT (up to 16 MHz), enabling precise timing for metering and real-time data logging.
Peripherals include three 16-bit timers (TA0–TA2, TB0), 32-bit hardware multiplier, CRC16/CRC32 engines, and dual eUSCI_A/B modules-eUSCI_A0/A1 support UART with auto-baud detection and IrDA; eUSCI_B0/B1 support I²C with multi-slave addressing and SPI up to 10 Mbps.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core Architecture | 16-bit CPUXV2, up to 16-MHz operation - enables deterministic real-time control in resource-constrained embedded systems |
| FRAM Capacity | 64 KB unified nonvolatile memory - eliminates write delays and flash wear-out in frequent data-logging applications |
| RAM Size | 2 KB SRAM - sufficient for real-time signal processing and firmware stack in metering firmware |
| ADC Resolution | 12-bit SAR ADC with 8 external channels - supports precision analog sensing for gas/water flow measurement |
| LCD Driver | 112-segment static/2–4 mux LCD controller - drives full-feature display in heat cost allocators and thermostats |
| Security Engine | AES-256 coprocessor with true random seed - meets firmware integrity and secure communication requirements in utility infrastructure |
| Low-Power Mode LPM3.5 | 0.35 µA typical (RTC active) - extends battery life to >10 years in sealed meter deployments |
| Supply Voltage Range | 1.8 V to 3.6 V - compatible with primary lithium cells and energy-harvesting power supplies |
Pinout & Package
The MSP430FR6972IPM is housed in a 64-pin LQFP (PM) package measuring 10 mm × 10 mm, with exposed thermal pad recommended for grounding per TI design guidelines.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| P1.0–P1.7 | General-purpose I/O with capacitive touch, ADC, timer, and eUSCI functions | Multi-function pins enable flexible peripheral mapping; all support Schmitt-trigger inputs and programmable pullup/pulldown |
| P2.0–P2.3 | UART BSL interface (BSL_TX/BSL_RX), RTCCLK, DMAE0, TB0 outputs | Enables field firmware updates via UART without external programmer; RTCCLK input synchronizes timekeeping |
| P3.0–P3.7 | eUSCI_B1 (I²C/SPI), TA1, TB0, and DMA channels | Supports sensor bus expansion (I²C) and high-speed SPI communication with external peripherals or displays |
| P6.0–P6.6 | LCD segment drivers (COM0–COM3), Rxx references, LCDCAP | Direct drive of multiplexed LCD segments reduces BOM count and simplifies display subsystem design |
| PJ.4/PJ.5 | LFXIN/LFXOUT | Connects to 32.768-kHz crystal for accurate RTC calendar and alarm functionality |
| RST/NMI/SBWTDIO | Reset, non-maskable interrupt, and Spy-Bi-Wire debug I/O | Single-wire debug interface enables in-circuit programming and low-pin-count development |
Key Features
| Feature | Design Value |
|---|---|
| Ferroelectric RAM (FRAM) | 64 KB unified memory with 125 ns write speed and 10¹⁵ write-cycle endurance - eliminates flash erase latency and wear leveling overhead |
| Ultra-Low-Power Operation | LPM3.5 draws only 0.35 µA with RTC active - enables decade-long battery life in sealed utility meter enclosures |
| Integrated Security | Dedicated AES-256 coprocessor with true random number generator - accelerates encrypted firmware updates and secure sensor data transmission |
| Capacitive Touch I/O | All GPIO pins support touch sensing without external components - reduces component count and PCB area in thermostat and portable medical interfaces |
| Enhanced Serial Interfaces | Dual eUSCI_A (UART/IrDA/SPI) and dual eUSCI_B (I²C/SPI) - supports simultaneous wired communication with host MCU, sensors, and displays |
| Hardware Acceleration | 32-bit multiplier and CRC16/CRC32 engines - offloads computation from CPU for faster checksum generation and math-intensive algorithms |
Applications
| Heat Cost Allocators | Utility Meters (Electricity/Water/Gas) |
|---|---|
Use Scenario: Thermal energy measurement in residential heating systems using temperature differentials and flow rate sampling. IC Role / Device Role / Timing Role: Main controller executing metering algorithm, managing LCD display, and logging consumption data to FRAM every 15 minutes. Use Value: FRAM enables reliable long-term data retention without wear-out; LPM3.5 RTC ensures accurate time-stamped logs over 10+ years on coin-cell power. | Use Scenario: Tamper-resistant, battery-operated endpoint for AMI networks capturing voltage, current, and pulse counts. IC Role / Device Role / Timing Role: System-on-chip handling metrology ADC sampling, AES-encrypted data packaging, and RF modem interfacing via SPI. Use Value: Integrated AES-256 prevents firmware spoofing; 64KB FRAM stores 12+ months of interval data without degradation. |
| Thermostats | Portable Medical Equipment |
Use Scenario: Wireless HVAC control unit with ambient temperature/humidity sensing, user interface, and BLE connectivity. IC Role / Device Role / Timing Role: Central MCU managing capacitive touch buttons, LCD display, sensor fusion, and low-power sleep/wake cycles. Use Value: All-GPIO capacitive touch eliminates external ICs; 2KB RAM supports real-time PID loop execution and UI rendering. | Use Scenario: Battery-powered glucose monitor or blood pressure cuff requiring FDA-compliant data integrity and display. IC Role / Device Role / Timing Role: Data acquisition controller performing ADC conversion, calibration correction, secure storage, and segmented LCD output. Use Value: FRAM guarantees lossless storage of clinical readings; AES-256 satisfies HIPAA-aligned encryption requirements for stored patient data. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MSP430FR69721IPM | I²C-based bootloader (BSL); identical FRAM, peripherals, and package | Suitable where UART BSL is unavailable or I²C is preferred for firmware update channel | Select when system-level communication architecture mandates I²C for programming access |
| MSP430FR6872IPM | Same FRAM/RAM/peripherals but lacks AES-256 encryption engine | Applicable in cost-sensitive, non-secure metering or industrial sensor nodes without cryptographic requirements | Choose when security compliance (e.g., DLMS/IEC 62056) is not mandated and BOM cost reduction is critical |
Compared with MSP430FR69721IPM and MSP430FR6872IPM, the MSP430FR6972IPM uniquely delivers UART BSL + AES-256 in a single 64-pin LQFP package-enabling secure, field-upgradable designs without compromising on low-power performance or memory reliability.
Availability
MSP430FR6972IPM is available at Aetrix Electronics and suitable for utility metering, heat cost allocation, and portable medical equipment requiring stable component supply, long-term lifecycle support, and guaranteed traceable sourcing.
Supply support for MSP430FR6972IPM 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, embedded processing, and connectivity solutions for industrial, automotive, and consumer markets.
The MSP430FR69xx product line targets ultra-low-power sensing and measurement applications, emphasizing FRAM-based data integrity, decades-long battery life, and integrated peripherals for smart metering and IoT edge nodes.
FAQ
What is the maximum operating frequency of the MSP430FR6972IPM?
The MSP430FR6972IPM supports a maximum system clock frequency of 16 MHz via its factory-trimmed DCO or external HFXT oscillator. This allows deterministic real-time execution of metrology algorithms and communication stacks while maintaining ultra-low active-mode current (≈100 µA/MHz).
Does the MSP430FR6972IPM include hardware AES encryption?
Yes, the MSP430FR6972IPM includes a dedicated 128/256-bit AES security coprocessor. This hardware engine accelerates encryption and decryption operations independently of the CPU, enabling secure firmware updates and protected data storage without impacting real-time performance of the MSP430FR6972IPM.
What LCD configuration does the MSP430FR6972IPM support?
The MSP430FR6972IPM integrates an LCD_C module supporting up to 112 segments in static, 2-, 3-, or 4-mux configurations. It provides built-in contrast control and charge pump, eliminating external bias components and simplifying display integration in MSP430FR6972IPM-based thermostats and utility meters.
How many I/O pins does the MSP430FR6972IPM provide in its LQFP package?
The MSP430FR6972IPM in the 64-pin LQFP (PM) package provides 51 general-purpose I/O pins. These include dedicated LCD segment/COM lines, ADC inputs, timer capture/compare channels, and multi-function eUSCI signals-all configurable per application needs in the MSP430FR6972IPM.
What low-power modes are supported by the MSP430FR6972IPM?
The MSP430FR6972IPM supports seven low-power modes: LPM0–LPM4 and two extended variants (LPM3.5, LPM4.5). LPM3.5 maintains RTC operation at 0.35 µA typical; LPM4.5 achieves 0.04 µA shutdown current-critical for battery longevity in sealed MSP430FR6972IPM deployments.
MSP430FR6972IPM Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Texas Instruments
- Package/Case:
- 64-LQFP
- Series:
- MSP430™ FRAM
- Packaging:
- Tray
- 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:
- 51
- 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:
MSP430FR6972IPM FAQ
1.How can I place an order for MSP430FR6972IPM through Aetrix?
Please submit a Request for Quotation (RFQ) for MSP430FR6972IPM 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 MSP430FR6972IPM reliable?
The price and inventory of MSP430FR6972IPM are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MSP430FR6972IPM is usually 5 days.
3.What payment methods are accepted for MSP430FR6972IPM?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MSP430FR6972IPM transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MSP430FR6972IPM?
MSP430FR6972IPM orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MSP430FR6972IPM 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 MSP430FR6972IPM?
For technical support, including MSP430FR6972IPM datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MSP430FR6972IPM requirements.
6.How does Aetrix verify that MSP430FR6972IPM is sourced from the original manufacturer or authorized distributors?
All MSP430FR6972IPM 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 MSP430FR6972IPM meets industry standards.
7.What is the process for return or replacement of MSP430FR6972IPM?
All MSP430FR6972IPM units undergo pre-shipment inspection (PSI). If there is an issue with MSP430FR6972IPM, 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 MSP430FR6972IPM part is unused and in its original packaging.
Return procedure for MSP430FR6972IPM:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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