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Texas Instruments MSP430FR6970IPMR
- Part No.:
- MSP430FR6970IPMR
- Manufacturer:
- Texas Instruments
- Category:
- Microcontrollers
- Package:
- 64-LQFP
- Datasheet:
-
MSP430FR6970IPMR.pdf
- Description:
- IC MCU 16BIT 32KB FRAM 64LQFP
- Quantity:
- Payment:
- Shipping:
Inventory:1,150
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Product details
Overview
MSP430FR6970IPMR from Texas Instruments is a 16-bit ultra-low-power FRAM microcontroller with 32KB 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 cryptographic security.
For engineers reviewing the MSP430FR6970IPMR datasheet, MSP430FR6970IPMR pinout, MSP430FR6970IPMR application, or MSP430FR6970IPMR equivalent, key selection criteria include FRAM endurance (10¹⁵ writes), LPM3.5 RTC current (0.35 µA), AES-256 coprocessor support, 64-pin LQFP package compatibility, and UART/I²C BSL configuration options.
Technical Context
The MSP430FR6970IPMR implements the CPUXV2 core with 16 general-purpose registers and executes instructions at up to 16 MHz using a DCO, HFXT, or LFXT clock source. Its memory subsystem integrates 32KB FRAM (unified program/data/storage) and 2KB SRAM, with MPU-based IP encapsulation for secure code execution.
Peripherals include two eUSCI_A modules (UART/IrDA/SPI) and two eUSCI_B modules (I²C/SPI), five 16-bit timers (TA0–TA3, TB0), CRC16/CRC32 accelerators, and an RTC with calendar/alarm functions clocked by a 32-kHz crystal. The device supports capacitive touch sensing 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 with DCO/HFXT/LFXT sources |
| Nonvolatile Memory | 32KB FRAM with 10¹⁵ write endurance and 125-ns word write speed |
| RAM | 2KB SRAM + 26B Tiny RAM for LPM retention |
| ADC | 12-bit SAR ADC with internal reference, sample-and-hold, and up to 8 external inputs |
| LCD Driver | Integrated 112-segment LCD controller with contrast control and static/2–4 mux support |
| Low-Power Modes | LPM3.5 (RTC active): 0.35 µA typical; LPM4.5 (shutdown): 0.04 µA typical |
| Crypto Engine | Hardware AES-256 coprocessor for encryption/decryption and secure key storage |
Pinout & Package
The MSP430FR6970IPMR is housed in a 64-pin LQFP package (10 mm × 10 mm) with exposed thermal pad (not electrically connected). Pin assignments follow TI's standard PM package layout for the MSP430FR697x family, supporting full peripheral multiplexing across 51 GPIOs.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| P1.0–P1.7 | General-purpose I/O with capacitive touch, analog input, RTCCLK, DMAE0 | Support wake-up from LPM, ADC channel inputs (A0–A3), and real-time clock synchronization |
| P2.0–P2.3 | UART0 TX/RX/STE/CLK, TB0OUTH, RTCCLK | Primary serial interface for BSL communication and timer output routing |
| P3.0–P3.7 | eUSCI_B1 CLK/SIMO/SOMI/STE, TA3.2–TA3.4, TB0.0–TB0.3 | Secondary I²C/SPI bus and extended timer capture/compare capability |
| P4.2–P4.7 | UART0 TX, UCB1STE/CLK/SIMO/SOMI, TA1.0–TA1.2 | Dual-role pins enabling simultaneous UART and I²C operation or timer expansion |
| P6.0–P6.6 | LCD COM0–COM3, R23/R13/LCDCAP, COUT | Direct LCD segment commons and charge-pump capacitor connection for bias generation |
| P7.0–P7.4 | TA0CLK, TA0.0–TA0.2, ACLK, SMCLK | Timer clock input and system clock distribution points for synchronous peripheral timing |
| P9.4–P9.7 | Analog inputs A12–A15 / Capacitive touch channels C12–C15 | Dedicated high-impedance analog inputs with shared capacitive sensing functionality |
| PJ.0–PJ.5 | JTAG/SBW debug, ACLK, MCLK, SMCLK, LFXIN/LFXOUT | Debug interface and low-frequency crystal oscillator connections for RTC accuracy |
Key Features
| Feature | Design Value |
|---|---|
| Ferroelectric RAM (FRAM) | 32KB unified memory enabling instant write persistence, zero-wait-state execution, and elimination of flash erase cycles |
| Ultra-Low-Power Operation | 0.35 µA RTC mode (LPM3.5) extends battery life in metering applications beyond 10 years on coin-cell power |
| Hardware Security | AES-256 coprocessor accelerates encrypted firmware updates and protects stored credentials without software overhead |
| Capacitive Touch Sensing | All 51 GPIOs support touch detection without external RC networks-reducing BOM cost and PCB area |
| Integrated LCD Driver | 112-segment support with programmable contrast eliminates need for external display controllers in portable instrumentation |
Applications
| Heat Cost Allocators | Utility Meters (Electricity/Water/Gas) |
|---|---|
Use Scenario: Compact, battery-operated thermal energy measurement units installed in residential heating systems. IC Role / Device Role / Timing Role: Main controller managing temperature differential sampling, RTC-based billing intervals, and LCD display updates. Use Value: FRAM enables reliable data logging during power loss; LPM3.5 current ensures >10-year battery life with daily reporting. | Use Scenario: Smart endpoint meters collecting consumption data and transmitting via PLC or RF mesh networks. IC Role / Device Role / Timing Role: System-on-chip handling metrology ADC sampling, secure data encryption (AES-256), and UART/I²C communication to modems. Use Value: Unified FRAM simplifies firmware OTA updates; hardware crypto offloads CPU during secure transmission bursts. |
| Thermostats | Portable Medical Equipment |
Use Scenario: Wireless, wall-mounted HVAC controllers with ambient sensing, user interface, and BLE connectivity. IC Role / Device Role / Timing Role: Central MCU coordinating capacitive touch buttons, temperature/humidity ADC reads, and real-time scheduling. Use Value: All-GPIO touch capability removes overlay sensors; RTC calendar function enables precise heating schedule execution. | Use Scenario: Handheld diagnostic tools (e.g., pulse oximeters, glucose monitors) requiring long battery life and data integrity. IC Role / Device Role / Timing Role: Data acquisition engine performing analog front-end conditioning, secure patient record storage, and USB/UART host interface. Use Value: 10¹⁵ FRAM write cycles guarantee lifetime reliability for clinical log storage; 12-bit ADC meets medical-grade precision requirements. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MSP430FR6972IPMR | 64KB FRAM, same package and pinout; includes HFXIN/HFXOUT for high-frequency crystal support | Required where >32KB program space or HF crystal timing is needed for faster processing or RF sync | Select when firmware size exceeds 32KB or system requires HFXT-based clock stability beyond DCO/LFXT |
| MSP430FR6870IPMR | 32KB FRAM but lacks AES-256 coprocessor and RTC calendar functionality | Suitable for cost-sensitive, non-secure, time-agnostic sensing nodes without encryption or calendar-based scheduling | Choose for simpler applications omitting secure boot, encrypted comms, or RTC calendar alarms |
Compared with MSP430FR6972IPMR, the MSP430FR6970IPMR trades HFXT support and double FRAM for identical low-power performance and AES-256 security; versus MSP430FR6870IPMR, it adds cryptographic acceleration and full RTC calendar capability without increasing active current or package footprint.
Availability
MSP430FR6970IPMR is available at Aetrix Electronics and suitable for utility metering, portable medical devices, and smart thermostat designs requiring stable component supply, long-term lifecycle assurance, and TI-qualified FRAM reliability.
Supply support for MSP430FR6970IPMR 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 with emphasis on energy efficiency and system integration.
The MSP430FR69xx product line delivers ultra-low-power mixed-signal MCUs optimized for battery-operated metering, sensing, and human-interface applications where FRAM endurance, RTC accuracy, and hardware security are critical.
FAQ
What is the maximum operating frequency of the MSP430FR6970IPMR?
The MSP430FR6970IPMR supports a maximum system clock frequency of 16 MHz, achievable using the factory-trimmed DCO, HFXT (high-frequency crystal), or LFXT (low-frequency crystal) sources. This frequency enables real-time signal processing in metrology applications while maintaining sub-100 µA/MHz active-mode current efficiency.
Does the MSP430FR6970IPMR include hardware AES encryption?
Yes, the MSP430FR6970IPMR includes a dedicated 128/256-bit AES security coprocessor. This hardware accelerator performs encryption and decryption independently of the CPU, enabling secure firmware updates and protected data storage without compromising real-time performance or increasing power consumption during cryptographic operations.
How many I/O pins does the MSP430FR6970IPMR provide?
The MSP430FR6970IPMR provides 51 general-purpose I/O pins in its 64-pin LQFP package. All pins support capacitive touch sensing, programmable pullup/pulldown, and edge-selectable wake-up from low-power modes, making it ideal for compact HMI designs with minimal external components.
What type of nonvolatile memory is used in the MSP430FR6970IPMR?
The MSP430FR6970IPMR uses ferroelectric RAM (FRAM) for nonvolatile storage - specifically 32KB of unified FRAM that serves simultaneously as program memory, data memory, and data logging storage. FRAM offers 10¹⁵ write cycles, 125-ns write speed, and no erase-before-write requirement, unlike flash-based MCUs.
Is the MSP430FR6970IPMR pin-compatible with other devices in the MSP430FR69xx family?
Yes, the MSP430FR6970IPMR shares identical pinout and package (64-pin LQFP) with MSP430FR6972IPMR, MSP430FR6870IPMR, and MSP430FR6872IPMR. This allows direct substitution within the same PCB layout when upgrading FRAM size or enabling/disabling AES or HFXT features, provided firmware accommodates peripheral differences.
MSP430FR6970IPMR 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:
- 51
- Program Memory Size:
- 32KB (32K 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:
MSP430FR6970IPMR FAQ
1.How can I place an order for MSP430FR6970IPMR through Aetrix?
Please submit a Request for Quotation (RFQ) for MSP430FR6970IPMR 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 MSP430FR6970IPMR reliable?
The price and inventory of MSP430FR6970IPMR are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MSP430FR6970IPMR is usually 5 days.
3.What payment methods are accepted for MSP430FR6970IPMR?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MSP430FR6970IPMR transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MSP430FR6970IPMR?
MSP430FR6970IPMR orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MSP430FR6970IPMR 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 MSP430FR6970IPMR?
For technical support, including MSP430FR6970IPMR datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MSP430FR6970IPMR requirements.
6.How does Aetrix verify that MSP430FR6970IPMR is sourced from the original manufacturer or authorized distributors?
All MSP430FR6970IPMR 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 MSP430FR6970IPMR meets industry standards.
7.What is the process for return or replacement of MSP430FR6970IPMR?
All MSP430FR6970IPMR units undergo pre-shipment inspection (PSI). If there is an issue with MSP430FR6970IPMR, 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 MSP430FR6970IPMR part is unused and in its original packaging.
Return procedure for MSP430FR6970IPMR:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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