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Texas Instruments MSP430FR6972IRGCR
- Part No.:
- MSP430FR6972IRGCR
- Manufacturer:
- Texas Instruments
- Category:
- Microcontrollers
- Package:
- 64-VFQFN Exposed Pad
- Datasheet:
-
MSP430FR6972IRGCR.pdf
- Description:
- IC MCU 16BIT 64KB FRAM 64VQFN
- Quantity:
- Payment:
- Shipping:
Inventory:3,987
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Product details
Overview
MSP430FR6972IRGCR 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/IrDA/SPI/I²C. 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 MSP430FR6972IRGCR datasheet, MSP430FR6972IRGCR pinout, MSP430FR6972IRGCR application, or MSP430FR6972IRGCR equivalent, key selection criteria include FRAM endurance (10¹⁵ writes), LPM3.5 RTC current (0.35 µA), AES coprocessor support, 64-pin VQFN package, and UART BSL compatibility.
Technical Context
The MSP430FR6972IRGCR implements the CPUXV2 core with 16 registers and integrates a flexible clock system featuring DCO (10 factory-trimmed frequencies), LFXT (32-kHz crystal), and HFXT (high-frequency crystal). Its power management includes seven low-power modes, with LPM4.5 consuming only 0.04 µA.
Peripherals include three 16-bit timers (TA0–TA2, TB0), 32-bit hardware multiplier, three-channel DMA, CRC16/CRC32 engines, and dual eUSCI_A (UART/IrDA/SPI) and eUSCI_B (I²C/SPI) modules - all operating at up to 10 Mbps. The device supports capacitive touch on all I/O pins without external components.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core Architecture | 16-bit RISC CPUXV2, up to 16-MHz operation - enables deterministic real-time control with low code footprint |
| FRAM Capacity | 64KB unified nonvolatile memory - eliminates write delays and wear leveling overhead vs flash |
| RAM Size | 2KB SRAM + 26B Tiny RAM - sufficient for real-time data buffering and interrupt context storage |
| ADC Resolution | 12-bit SAR ADC with 8 external channels and internal reference - supports precision sensor interfacing |
| LCD Driver | Integrated 112-segment LCD controller with contrast control - enables direct drive of meter displays |
| Security Engine | Hardware AES-256 coprocessor - accelerates secure firmware updates and data encryption |
| Low-Power Mode LPM3.5 | 0.35 µA typical with RTC active - extends battery life in always-on timekeeping applications |
| Package Type | VQFN-64 (9 mm × 9 mm) with thermal pad - supports compact, thermally efficient PCB layout |
Pinout & Package
VQFN-64 (RGC) package with 0.5-mm pitch and exposed thermal pad (recommended connection to DVSS). Pin count and signal mapping match the 64-pin PM/RGC variants in the MSP430FR697x family.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| P1.0 | RTCCLK / A0 / VREF− | Real-time clock input or analog input channel 0 with dedicated reference terminal |
| P2.0 | UCA0SIMO / UCA0TXD / TB0CLK | Primary UART transmit line and Timer_B clock source - critical for serial communication and timing sync |
| P3.4–P3.7 | UCA1SIMO/UCA1SOMI/UCA1CLK/UCA1STE | Secondary SPI interface - enables daisy-chained sensor or display peripheral control |
| P6.3–P6.6 | COM0–COM3 | Common backplane outputs for 4-mux LCD - drives multiplexed meter display segments |
| PJ.4 / PJ.5 | LFXIN / LFXOUT | 32-kHz crystal oscillator terminals - required for accurate RTC and low-power timing |
| RST/NMI/SBWTDIO | Reset / NMI / JTAG data | Multi-function pin supporting reset assertion, non-maskable interrupt, and debug interface I/O |
Key Features
| Feature | Design Value |
|---|---|
| Ferroelectric RAM (FRAM) | 64KB unified memory with 125 ns/word write speed and 10¹⁵ write-cycle endurance - enables frequent logging without degradation |
| Capacitive Touch I/O | All GPIO pins support CSD without external components - reduces BOM cost and board space for user interface |
| Ultra-Low-Power RTC | 0.35 µA in LPM3.5 mode with calendar and alarm - maintains timekeeping during extended sleep in battery meters |
| Hardware Security | Dedicated AES-256 engine and lockable memory segments - protects firmware IP and encrypted data storage |
| Flexible Clock System | DCO (10 trim points), LFXT, HFXT, and VLO sources - allows dynamic clock scaling for power/performance tradeoffs |
| Peripheral Integration | Five 16-bit timers, 32-bit CRC, 3-channel DMA, and dual eUSCI modules - minimizes external component count in sensing systems |
Applications
| Heat Cost Allocators | Electricity Meters |
|---|---|
Use Scenario: Thermal energy measurement in apartment heating systems using temperature differentials and flow rate sampling. IC Role / Device Role / Timing Role: Main controller managing RTD/thermistor readings, flow sensor pulses, LCD display, and secure data logging via FRAM. Use Value: FRAM enables reliable hourly consumption snapshots without write wear; RTC ensures accurate billing intervals. | Use Scenario: Residential smart electricity meter with tamper detection, tariff switching, and AMR communication. IC Role / Device Role / Timing Role: System-on-chip handling metrology ADC sampling, LCD UI, IrDA/UART communication, and AES-encrypted data transmission. Use Value: Integrated AES-256 secures firmware updates; 64KB FRAM stores 30+ days of interval data with zero write latency. |
| Thermostats | Portable Medical Sensors |
Use Scenario: Battery-powered HVAC controller with ambient/sensor fusion, display, and wireless gateway interface. IC Role / Device Role / Timing Role: Central MCU acquiring temperature/humidity, driving segmented LCD, and managing low-duty-cycle radio wakeups. Use Value: LPM4.5 (0.04 µA) extends coin-cell life beyond 5 years; capacitive touch I/O enables bezel-less UI design. | Use Scenario: Handheld glucose monitor or pulse oximeter requiring precise analog front-end and secure patient data storage. IC Role / Device Role / Timing Role: Signal acquisition controller with 12-bit ADC, reference calibration, FRAM-based log storage, and USB/IrDA host interface. Use Value: 12-bit ADC with internal reference achieves ±0.5% accuracy; FRAM guarantees 100% data integrity during power loss. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MSP430FR6972IPMR | LQFP-64 package (10 mm × 10 mm); identical electrical specs and pinout mapping | Better thermal dissipation and manual soldering accessibility vs VQFN | Select when board assembly uses through-hole reflow or requires larger thermal pad clearance |
| MSP430FR6922IRGCR | Same VQFN-64 package but lacks HFXT oscillator and AES-256 engine; 116-segment LCD | Suitable for cost-sensitive metering where high-frequency crystal and encryption are unnecessary | Choose when application does not require secure firmware updates or >16-MHz clocking |
Compared with MSP430FR6972IPMR, the MSP430FR6972IRGCR offers identical functionality in a smaller 9 mm × 9 mm VQFN package ideal for space-constrained designs; versus MSP430FR6922IRGCR, it adds HFXT support and AES-256 - essential for secure, high-accuracy timing applications.
Availability
MSP430FR6972IRGCR is available at Aetrix Electronics and suitable for utility metering, portable medical devices, and thermostat control systems requiring stable component supply, long-term lifecycle support, and traceable sourcing.
Supply support for MSP430FR6972IRGCR 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 for industrial, automotive, and consumer applications.
The MSP430FR69xx product line is designed for ultra-low-power sensing and metering applications, emphasizing FRAM-based data logging, RTC accuracy, and integrated peripherals to minimize external components in battery-operated systems.
FAQ
What is the maximum operating frequency of the MSP430FR6972IRGCR?
The MSP430FR6972IRGCR supports a maximum system clock frequency of 16 MHz using its digitally controlled oscillator (DCO) or external HFXT crystal. This frequency enables real-time signal processing and fast peripheral response while maintaining ultra-low-power operation in active mode (≈100 µA/MHz).
Does the MSP430FR6972IRGCR include hardware AES encryption?
Yes, the MSP430FR6972IRGCR 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 compromising real-time performance of the MSP430FR6972IRGCR.
What LCD segment count does the MSP430FR6972IRGCR support?
The MSP430FR6972IRGCR integrates an LCD_C module supporting up to 112 segments in static or 2–4 multiplex configurations. This matches the VQFN-64 package's COM0–COM3 and SEG pin allocations and is optimized for utility meter displays requiring numeric and status symbol rendering.
How many low-power modes does the MSP430FR6972IRGCR support?
The MSP430FR6972IRGCR supports seven distinct low-power modes (LPM0–LPM4.5), including LPM3.5 (0.35 µA with RTC active) and LPM4.5 (0.04 µA shutdown). These modes are managed by the power management unit and enable aggressive energy optimization across sleep, timer-triggered, and real-time clock scenarios for the MSP430FR6972IRGCR.
Is the MSP430FR6972IRGCR pin-compatible with other MSP430FR69xx devices?
Yes, the MSP430FR6972IRGCR shares identical pinout and signal mapping with other 64-pin RGC/PM variants in the MSP430FR697x family (e.g., MSP430FR6972IPMR, MSP430FR6970IRGCR). This allows direct substitution within the same package footprint without PCB redesign, preserving layout integrity for the MSP430FR6972IRGCR.
MSP430FR6972IRGCR Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Texas Instruments
- Package/Case:
- 64-VFQFN Exposed Pad
- 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:
- 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:
MSP430FR6972IRGCR FAQ
1.How can I place an order for MSP430FR6972IRGCR through Aetrix?
Please submit a Request for Quotation (RFQ) for MSP430FR6972IRGCR 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 MSP430FR6972IRGCR reliable?
The price and inventory of MSP430FR6972IRGCR are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MSP430FR6972IRGCR is usually 5 days.
3.What payment methods are accepted for MSP430FR6972IRGCR?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MSP430FR6972IRGCR transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MSP430FR6972IRGCR?
MSP430FR6972IRGCR orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MSP430FR6972IRGCR 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 MSP430FR6972IRGCR?
For technical support, including MSP430FR6972IRGCR datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MSP430FR6972IRGCR requirements.
6.How does Aetrix verify that MSP430FR6972IRGCR is sourced from the original manufacturer or authorized distributors?
All MSP430FR6972IRGCR 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 MSP430FR6972IRGCR meets industry standards.
7.What is the process for return or replacement of MSP430FR6972IRGCR?
All MSP430FR6972IRGCR units undergo pre-shipment inspection (PSI). If there is an issue with MSP430FR6972IRGCR, 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 MSP430FR6972IRGCR part is unused and in its original packaging.
Return procedure for MSP430FR6972IRGCR:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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