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Texas Instruments MSP430FR5972IPMR
- Part No.:
- MSP430FR5972IPMR
- Manufacturer:
- Texas Instruments
- Category:
- Microcontrollers
- Package:
- 64-LQFP
- Datasheet:
-
MSP430FR5972IPMR.pdf
- Description:
- IC MCU 16BIT 64KB FRAM 64LQFP
- Quantity:
- Payment:
- Shipping:
Inventory:1,988
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Product details
Overview
MSP430FR5972IPMR from Texas Instruments is an ultra-low-power 16-bit FRAM microcontroller with 64KB embedded ferroelectric RAM, 2KB SRAM, and integrated 12-bit ADC, comparator, and multiple timers. It operates at up to 16 MHz, supports LPM3.5/LPM4.5 deep-sleep modes (450 nA RTC active), and targets battery-powered sensor nodes and metering applications.
For engineers reviewing the MSP430FR5972IPMR datasheet, MSP430FR5972IPMR pinout, MSP430FR5972IPMR application, or MSP430FR5972IPMR equivalent, key selection criteria include FRAM endurance (1015 write cycles), real-time clock retention in LPM3.5, hardware multiplier (MPY32), memory protection unit (MPU), and Spy-Bi-Wire debug interface compatibility.
Technical Context
The MSP430FR5972IPMR implements a 16-bit CPUX core with 32-bit hardware multiplier and unified memory architecture where FRAM serves as both program and data storage. Its clock system integrates LFXT/HFXT oscillators, VLO, DCO, and automatic fail-safe switching to maintain timing integrity during crystal faults.
Power management includes VCORE regulation, supply voltage supervisor (SVS), brownout reset (BOR), and dedicated LPM3.5/LPM4.5 entry/exit logic that retains RAM and RTC while cutting core power. The FRAM controller provides ECC, cache, wait-state control, and write-back capability without wear leveling overhead.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core Architecture | 16-bit CPUX with 32-bit MPY32 hardware multiplier for deterministic math-intensive firmware execution |
| Memory | 64KB FRAM (1015 write cycles, no erase before write) + 2KB SRAM for volatile data buffering |
| Low-Power Modes | LPM3.5 draws 450 nA with RTC running; LPM4.5 draws 20 nA with full memory retention and wake-on-pin |
| Analog Peripherals | 12-bit SAR ADC with 16 channels, internal reference, and sample-and-hold; 2-channel analog comparator |
| Timers | Two 16-bit Timer_A modules (each with 3 capture/compare registers), one 16-bit Timer_B (7 CCR), and RTC module |
| Communication | Two eUSCI_A (UART/SPI) and two eUSCI_B (SPI/I2C) modules; Spy-Bi-Wire (2-wire JTAG) debug interface |
| Security & Control | Memory Protection Unit (MPU) with segment-based access control and IP encapsulation; boot loader (BSL) with password lock |
Pinout & Package
Package: 64-pin QFN (PMP, 9 mm × 9 mm, 0.5 mm pitch) with exposed thermal pad. Pinout validated per TI SLAU367P Rev April 2020, Section 12 (Digital I/O) and Table 1-1 (Pin Functions).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| P1.0–P1.7 | General-purpose I/O with interrupt, timer capture, ADC input | Configurable digital/analog pins supporting wake-from-LPM on edge; P1.1/P1.2 support USCI_A0 UART |
| P2.0–P2.7 | General-purpose I/O with comparator output, timer compare, RTC input | P2.2/P2.3 support USCI_B0 I2C; P2.6/P2.7 support HFXT crystal connection |
| P3.0–P3.7 | General-purpose I/O with ADC input, DAC output (P3.6/P3.7) | P3.0/P3.1 support USCI_A1 SPI; P3.4/P3.5 support LFXT crystal or external clock |
| P4.0–P4.7 | General-purpose I/O with eUSCI_B1 SPI/I2C, timer A/B outputs | P4.0–P4.3 support USCI_B1; P4.4–P4.7 support Timer_B outputs and comparator inputs |
| RST/NMI | Reset and non-maskable interrupt input | Active-low reset with configurable NMI function; supports BSL entry via specific pulse sequence |
| TCK/TMS/TDI/TDO | Spy-Bi-Wire debug interface signals | 2-wire JTAG-compatible interface using TCK and TMS only; enables in-system programming and debugging |
Key Features
| Feature | Design Value |
|---|---|
| FRAM endurance | 1015 write cycles eliminates flash wear-out concerns in logging, parameter storage, and OTA update buffers |
| LPM3.5 retention | 450 nA current draw with RTC and 2KB SRAM retained enables decade-scale battery life in time-stamped sensor nodes |
| Hardware multiplier | 32-bit MPY32 completes signed/unsigned multiply in one cycle-critical for fast FIR filtering and sensor fusion |
| Memory Protection Unit | MPU enforces read/write/execute permissions across 8 memory segments, preventing accidental or malicious code/data corruption |
| Integrated ADC calibration | Factory-trimmed 12-bit ADC with internal reference and auto-calibration registers reduces external component count and board space |
Applications
| Smart Utility Metering | Wireless Sensor Node |
|---|---|
|
Use Scenario: Gas/water/electricity meter with hourly consumption logging, tamper detection, and RF communication. IC Role / Device Role / Timing Role: Main controller managing metrology ADC sampling, FRAM-based secure event log, RTC-driven billing intervals, and low-power RF transceiver wake scheduling. Use Value: FRAM enables 10+ years of daily log writes without degradation; LPM4.5 extends CR2032 battery life beyond 10 years. |
Use Scenario: Battery-powered environmental monitor (temp/humidity/pressure) transmitting data every 15 minutes via BLE or Sub-GHz radio. IC Role / Device Role / Timing Role: System-on-chip handling sensor acquisition, local data aggregation, RTC-triggered transmission windows, and secure firmware updates. Use Value: MPY32 accelerates sensor compensation algorithms; MPU isolates BSL and application code to prevent unauthorized reprogramming. |
| Industrial Asset Tracking | Portable Medical Device |
|
Use Scenario: GPS-enabled asset tracker logging location, motion, and temperature during shipment with periodic cloud sync. IC Role / Device Role / Timing Role: Central controller coordinating GPS fix acquisition, accelerometer wake interrupts, FRAM-based circular buffer for offline history, and USB/UART host interface. Use Value: LPM3.5 maintains accurate timekeeping during GPS cold starts; FRAM allows burst logging at 1 kHz without latency or wear penalty. |
Use Scenario: Handheld glucose meter requiring FDA-compliant data storage, user interface, and USB charging/power management. IC Role / Device Role / Timing Role: Safety-critical controller managing electrochemical sensor signal chain, EEPROM-free calibration storage, button/LED UI, and USB enumeration. Use Value: Factory-calibrated ADC ensures <±1% glucose reading accuracy; BSL with fuse-lock prevents field modification of medical firmware. |
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 |
|---|---|---|---|
| MSP430FR5969IPMR | 32KB FRAM, 1KB SRAM, identical peripherals and package; lacks second eUSCI_B module and one Timer_A CCR register | Suitable for simpler sensor nodes with single I2C bus and reduced timer complexity | Select when memory and peripheral headroom requirements are lower and cost sensitivity is higher |
| MSP430FR6972IPMR | Same 64KB FRAM/2KB SRAM, adds LCD controller (4x28), enhanced DMA, and improved SVS accuracy; pin-compatible but requires updated layout for LCD pins | Required for designs integrating segment LCD displays or needing higher-precision supply monitoring | Choose when display integration or tighter SVS tolerance (<±1.5%) is mandatory; verify LCD pin routing |
Compared with MSP430FR5969IPMR, the MSP430FR5972IPMR delivers double FRAM and added communication flexibility; versus MSP430FR6972IPMR, it trades LCD support for lower system cost and simpler layout where display is absent.
Availability
MSP430FR5972IPMR is available at Aetrix Electronics and suitable for smart utility metering, wireless sensor node development, and industrial asset tracking requiring stable component supply, long-term lifecycle assurance, and traceable sourcing.
Supply support for MSP430FR5972IPMR 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 specializing in analog, embedded processing, and connectivity technologies with over 90 years of innovation in low-power design.
The MSP430FR59xx family was engineered specifically for energy-constrained applications demanding nonvolatile memory endurance, nanowatt sleep modes, and integrated analog front ends-targeting metering, sensing, and portable instrumentation.
FAQ
What is the maximum operating frequency of the MSP430FR5972IPMR?
The MSP430FR5972IPMR operates at up to 16 MHz using its digitally controlled oscillator (DCO) or external HFXT crystal. This frequency is fully supported across all active modes (AM, LPM0–LPM3) and enables real-time processing of sensor data, communication stacks, and control algorithms without performance bottlenecks.
Does the MSP430FR5972IPMR support in-system programming via Spy-Bi-Wire?
Yes, the MSP430FR5972IPMR supports full in-system programming and debugging through its 2-wire Spy-Bi-Wire interface using TCK and TMS pins. This eliminates the need for dedicated JTAG headers, reduces PCB footprint, and enables field firmware updates without removing the device from the board.
How does FRAM endurance compare to flash in the MSP430FR5972IPMR?
The MSP430FR5972IPMR's 64KB FRAM offers 1015 write/erase cycles-106× greater than typical embedded flash-enabling continuous logging, parameter tuning, and OTA update staging without wear leveling or block management overhead. This directly extends product lifetime in high-write applications.
What low-power modes are available on the MSP430FR5972IPMR and their typical current draw?
The MSP430FR5972IPMR supports LPM3.5 (450 nA with RTC + 2KB SRAM active) and LPM4.5 (20 nA with full memory retention and wake-on-pin). These modes are hardware-automated and require no software-managed state saving, making them ideal for multi-year battery operation in remote sensors and meters.
Is the MSP430FR5972IPMR pin-compatible with other devices in the MSP430FR59xx family?
Yes, the MSP430FR5972IPMR shares the same 64-pin QFN (PMP) package and pinout with MSP430FR5969IPMR and MSP430FR5989IPMR. This enables hardware reuse across variants-software adaptation is required only for differing peripheral counts (e.g., second eUSCI_B) or memory size constraints.
MSP430FR5972IPMR 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, 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:
MSP430FR5972IPMR FAQ
1.How can I place an order for MSP430FR5972IPMR through Aetrix?
Please submit a Request for Quotation (RFQ) for MSP430FR5972IPMR 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 MSP430FR5972IPMR reliable?
The price and inventory of MSP430FR5972IPMR are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MSP430FR5972IPMR is usually 5 days.
3.What payment methods are accepted for MSP430FR5972IPMR?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MSP430FR5972IPMR transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MSP430FR5972IPMR?
MSP430FR5972IPMR orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MSP430FR5972IPMR 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 MSP430FR5972IPMR?
For technical support, including MSP430FR5972IPMR datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MSP430FR5972IPMR requirements.
6.How does Aetrix verify that MSP430FR5972IPMR is sourced from the original manufacturer or authorized distributors?
All MSP430FR5972IPMR 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 MSP430FR5972IPMR meets industry standards.
7.What is the process for return or replacement of MSP430FR5972IPMR?
All MSP430FR5972IPMR units undergo pre-shipment inspection (PSI). If there is an issue with MSP430FR5972IPMR, 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 MSP430FR5972IPMR part is unused and in its original packaging.
Return procedure for MSP430FR5972IPMR:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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