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Texas Instruments MSP430FR5970IRGCR
- Part No.:
- MSP430FR5970IRGCR
- Manufacturer:
- Texas Instruments
- Category:
- Microcontrollers
- Package:
- 64-VFQFN Exposed Pad
- Datasheet:
-
MSP430FR5970IRGCR.pdf
- Description:
- IC MCU 16BIT 32KB FRAM 64VQFN
- Quantity:
- Payment:
- Shipping:
Inventory:4,236
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Product details
Overview
MSP430FR5970IRGCR from Texas Instruments is a 16-bit ultra-low-power FRAM microcontroller featuring 32KB nonvolatile FRAM, 2KB RAM, integrated 12-bit ADC with 8 external channels, AES-256 encryption coprocessor, and real-time clock with calendar function. It operates from 1.8 V to 3.6 V and supports seven low-power modes including LPM4.5 (0.04 µA typical), targeting battery-powered sensor nodes and metering applications.
For engineers reviewing the MSP430FR5970IRGCR datasheet, MSP430FR5970IRGCR pinout, MSP430FR5970IRGCR application, or MSP430FR5970IRGCR equivalent, key selection criteria include FRAM endurance (1015 write cycles), RTC accuracy with 32-kHz crystal support, AES-256 security for firmware/data protection, and dual eUSCI modules supporting UART/IrDA/SPI/I²C at up to 10 Mbps.
Technical Context
The MSP430FR5970IRGCR implements a 16-bit CPUXV2 core with unified FRAM memory space enabling simultaneous code execution and data logging without wear leveling. Its flexible clock system integrates DCO (10 factory-trimmed frequencies), LFXT (32-kHz crystal), and HFXT (up to 24 MHz) sources, with automatic clock fail-safe switching.
Peripherals include three 16-bit timers (TA0–TA3, TB0) with capture/compare capability, 32-bit hardware multiplier, three-channel DMA, CRC16/CRC32 engines, and capacitive touch I/O on all ports. The device supports UART BSL and features dedicated pins for LFXIN/LFXOUT, HFXIN/HFXOUT, and RTCCLK output.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core Architecture | 16-bit CPUXV2 with 16 registers; enables deterministic real-time control and low-cycle-count interrupt latency. |
| FRAM Capacity | 32 KB nonvolatile memory; supports byte-level writes, 125 ns/word write speed, and 1015 endurance - eliminates flash erase delays and wear management overhead. |
| Supply Voltage Range | 1.8 V to 3.6 V; compatible with single-cell Li-ion, coin-cell, and energy-harvesting power sources. |
| Low-Power Mode LPM4.5 | 0.04 µA typical current draw; enables multi-year operation in shutdown state with retained RAM and secure key storage. |
| ADC Resolution & Channels | 12-bit SAR ADC with internal reference and sample-and-hold; supports up to 8 external analog inputs - suitable for precision sensor signal acquisition. |
| AES Engine | 256-bit AES coprocessor with true random number seed; accelerates secure boot, encrypted communication, and firmware update verification. |
| eUSCI Interfaces | Two eUSCI_A (UART/IrDA/SPI) and two eUSCI_B (I²C/SPI) modules; enables concurrent wired communication protocols without software bit-banging. |
Pinout & Package
VQFN-64 (RGC) package, 9 mm × 9 mm body size, 0.5 mm pitch, thermal pad recommended to be connected to DVSS.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| P1.0 / A0 / C0 / VREF− / RTCCLK / DMAE0 | Analog input / reference voltage / RTC clock source / DMA trigger | Enables direct connection of external sensors, provides precise VREF− for ADC, supplies RTC timing via crystal oscillator or internal source, and triggers DMA transfers on event. |
| P2.1 / UCA0SOMI / UCA0RXD / BSL_RX / TB0.5 / DMAE0 | UART receive / bootloader interface / timer input / DMA trigger | Supports asynchronous serial communication, factory programming via UART BSL, and synchronized event capture using Timer_B channel 5. |
| PJ.4 / LFXIN & PJ.5 / LFXOUT | Low-frequency crystal oscillator terminals | Connects to standard 32.768-kHz tuning-fork crystal for accurate RTC timekeeping with ±20 ppm stability over temperature. |
| P2.2 / UCA0CLK / TB0.4 / RTCCLK | UART clock / timer input / RTC clock output | Provides synchronous clocking for UART peripheral, enables gated timing capture, and outputs calibrated RTCCLK signal for external synchronization. |
| DVSS1/DVSS2/DVSS3 & AVSS1/AVSS2 | Digital and analog ground planes | Separate ground domains minimize noise coupling between digital switching and sensitive analog/ADC circuits - critical for <12-bit measurement integrity. |
Key Features
| Feature | Design Value |
|---|---|
| Ferroelectric RAM (FRAM) | 32 KB unified memory space enabling simultaneous code execution and data logging with zero write latency and no erase cycles. |
| Ultra-Low-Power RTC | 0.35 µA typical in LPM3.5 mode with calendar and alarm functions - extends battery life in always-on timekeeping applications. |
| Capacitive Touch I/O | All GPIO pins support touch sensing without external components; reduces BOM cost and PCB area for user interface implementation. |
| Hardware Security | AES-256 coprocessor + lockable memory segments + true random number generator - meets basic requirements for firmware IP protection and secure data storage. |
| Flexible Clock System | DCO with 10 factory-trimmed frequencies, plus LFXT/HFXT support - eliminates need for external clock generators while maintaining timing accuracy across voltage/temperature. |
Applications
| Smart Utility Metering | Energy-Harvested Sensor Node |
|---|---|
Use Scenario: Gas/water/electricity meter with tamper detection, pulse counting, and wireless data upload. IC Role / Device Role / Timing Role: Main controller managing metrology ADC sampling, FRAM-based data logging, AES-encrypted transmission, and RTC-synchronized billing intervals. Use Value: 32KB FRAM stores >1 year of hourly consumption logs; LPM4.5 enables 10+ year battery life; RTC calendar ensures accurate billing cycle alignment. |
Use Scenario: Wireless environmental sensor node powered by solar cell or thermoelectric generator. IC Role / Device Role / Timing Role: System-on-chip managing intermittent power harvesting, sensor polling, low-power sleep scheduling, and burst-mode RF transmission. Use Value: 0.04 µA LPM4.5 minimizes quiescent drain during energy scarcity; FRAM retains calibration data across power loss; capacitive touch enables maintenance-free field configuration. |
| Wearable Health Monitor | Industrial Data Logger |
Use Scenario: Compact wearable device measuring heart rate, skin temperature, and motion via analog/accelerometer interfaces. IC Role / Device Role / Timing Role: Signal acquisition hub with ADC, timer-driven sensor sampling, FRAM-based buffer, and BLE interface control. Use Value: 12-bit ADC resolves sub-degree temperature changes; FRAM withstands continuous write stress from streaming biosignals; AES secures personal health data. |
Use Scenario: Ruggedized logger for industrial equipment monitoring (vibration, temperature, pressure) in remote locations. IC Role / Device Role / Timing Role: Autonomous data collector with timestamped FRAM storage, RTC-triggered wake-up, and SPI-connected flash expansion. Use Value: 1015 FRAM write cycles ensure >20 years of daily logging; RTC calendar enables traceable event timestamps; dual eUSCI supports Modbus RTU over RS-485. |
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 |
|---|---|---|---|
| MSP430FR5972IRGCR | 64KB FRAM, same package and pinout; includes identical peripherals and AES-256 engine. | Higher memory capacity supports larger firmware images and extended data buffering. | Select when >32KB nonvolatile storage is required for firmware updates or long-term trend logging. |
| MSP430FR5922IRGCR | 64KB FRAM but lacks HFXT oscillator; supports only LFXT (32 kHz) and DCO - no high-frequency crystal option. | Not suitable for applications requiring precise high-speed timing or >16-MHz CPU operation. | Choose for cost-sensitive, low-frequency-only designs where HFXT is unnecessary and full 64KB FRAM is needed. |
Compared with MSP430FR5972IRGCR, the MSP430FR5970IRGCR offers identical performance and feature set except for reduced FRAM (32KB vs 64KB), making it optimal for memory-constrained cost targets. Against MSP430FR5922IRGCR, it adds HFXT support enabling higher CPU clock stability and faster communication rates - critical for time-sensitive sensor fusion or protocol compliance.
Availability
MSP430FR5970IRGCR is available at Aetrix Electronics and suitable for smart metering, energy-harvested sensor nodes, and wearable electronics requiring stable component supply, long-term lifecycle support, and consistent FRAM reliability across production batches.
Supply support for MSP430FR5970IRGCR 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 decades of expertise in ultra-low-power design and industrial-grade reliability.
The MSP430FRxx family was engineered specifically for battery-operated and energy-constrained sensing applications, combining FRAM's endurance with deep-sleep efficiency and integrated analog front-ends to eliminate external components.
FAQ
What is the maximum operating frequency of the MSP430FR5970IRGCR?
The MSP430FR5970IRGCR supports up to 16 MHz CPU operation using the high-frequency crystal oscillator (HFXT) or digitally controlled oscillator (DCO). When using HFXT, the device achieves stable timing across voltage and temperature ranges, enabling reliable high-speed UART, SPI, and ADC sampling without jitter-induced errors. The DCO provides 10 factory-trimmed frequencies for flexible clocking without external crystals.
Does the MSP430FR5970IRGCR support hardware AES encryption?
Yes, the MSP430FR5970IRGCR integrates a dedicated 256-bit AES security coprocessor with true random number generation capability. This hardware engine accelerates encryption/decryption operations for secure firmware updates, authenticated communication, and protected data storage in FRAM - offloading the CPU and ensuring deterministic timing for cryptographic tasks.
How much FRAM and RAM does the MSP430FR5970IRGCR include?
The MSP430FR5970IRGCR contains 32 KB of ferroelectric RAM (FRAM) and 2 KB of volatile RAM. The FRAM serves as unified memory for program code, runtime variables, and persistent data logging - supporting byte-level writes, 125 ns per word write speed, and 1015 write endurance. The 2 KB RAM provides fast-access scratchpad and stack space during active operation.
What low-power modes are available on the MSP430FR5970IRGCR?
The MSP430FR5970IRGCR offers seven low-power modes: LPM0–LPM4 and two extended variants LPM3.5 and LPM4.5. LPM4.5 draws just 0.04 µA typical while retaining RAM and secure key storage; LPM3.5 consumes 0.35 µA with RTC running in calendar mode. These modes enable multi-year operation in battery-powered applications such as utility meters and environmental sensors.
Is the MSP430FR5970IRGCR pin-compatible with other devices in the MSP430FR59xx family?
Yes, the MSP430FR5970IRGCR in the VQFN-64 (RGC) package shares identical pinout and electrical characteristics with MSP430FR5972IRGCR and MSP430FR5922IRGCR. This allows drop-in replacement within the same package variant, simplifying design reuse and migration paths - provided application firmware accounts for differences in FRAM size and HFXT availability.
MSP430FR5970IRGCR 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, 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:
MSP430FR5970IRGCR FAQ
1.How can I place an order for MSP430FR5970IRGCR through Aetrix?
Please submit a Request for Quotation (RFQ) for MSP430FR5970IRGCR 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 MSP430FR5970IRGCR reliable?
The price and inventory of MSP430FR5970IRGCR are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MSP430FR5970IRGCR is usually 5 days.
3.What payment methods are accepted for MSP430FR5970IRGCR?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MSP430FR5970IRGCR transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MSP430FR5970IRGCR?
MSP430FR5970IRGCR orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MSP430FR5970IRGCR 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 MSP430FR5970IRGCR?
For technical support, including MSP430FR5970IRGCR datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MSP430FR5970IRGCR requirements.
6.How does Aetrix verify that MSP430FR5970IRGCR is sourced from the original manufacturer or authorized distributors?
All MSP430FR5970IRGCR 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 MSP430FR5970IRGCR meets industry standards.
7.What is the process for return or replacement of MSP430FR5970IRGCR?
All MSP430FR5970IRGCR units undergo pre-shipment inspection (PSI). If there is an issue with MSP430FR5970IRGCR, 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 MSP430FR5970IRGCR part is unused and in its original packaging.
Return procedure for MSP430FR5970IRGCR:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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