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Texas Instruments MSP430FR59721IRGCR
- Part No.:
- MSP430FR59721IRGCR
- Manufacturer:
- Texas Instruments
- Category:
- Microcontrollers
- Package:
- 64-VFQFN Exposed Pad
- Datasheet:
-
MSP430FR59721IRGCR.pdf
- Description:
- IC MCU 16BIT 64KB FRAM 64VQFN
- Quantity:
- Payment:
- Shipping:
Inventory:1,132
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Product details
Overview
MSP430FR59721IRGCR from Texas Instruments is a 16-bit ultra-low-power FRAM microcontroller with 64KB nonvolatile memory, 2KB RAM, and integrated peripherals including 12-bit ADC, AES256 encryption, RTC with calendar, five 16-bit timers, and dual eUSCI modules supporting UART/IrDA/SPI/I²C. It operates from 1.8 V to 3.6 V and targets battery-powered sensing nodes.
For engineers reviewing the MSP430FR59721IRGCR datasheet, MSP430FR59721IRGCR pinout, MSP430FR59721IRGCR application, or MSP430FR59721IRGCR equivalent, key selection criteria include FRAM endurance (10¹⁵ writes), LPM3.5 RTC current (0.35 µA), AES256 coprocessor support, 51 GPIOs in VQFN-64, and I²C-based BSL configuration.
Technical Context
The MSP430FR59721IRGCR implements a CPUXV2 core with 16 registers and executes instructions at up to 16 MHz using DCO, HFXT, or LFXT clock sources. Its memory subsystem integrates 64KB FRAM (unified program/data/storage), 2KB SRAM, and 26B Tiny RAM for LPM retention.
Peripherals include two eUSCI_A modules (UART/IrDA/SPI) and two eUSCI_B modules (I²C/SPI), three-channel DMA, 32-bit hardware multiplier, CRC16/CRC32 engines, and capacitive touch I/O on all pins without external components.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core Architecture | 16-bit CPUXV2 with 16 registers, Harvard-style memory access |
| FRAM Capacity | 64KB unified nonvolatile memory enabling instant write, 125 ns/word, 10¹⁵ endurance |
| Supply Voltage Range | 1.8 V to 3.6 V - supports direct coin-cell (e.g., CR2032) operation with SVS monitoring |
| LPM3.5 Current | 0.35 µA typical - enables years of operation on single battery with RTC/calendar active |
| AES Engine | 256-bit AES coprocessor with dedicated key storage and secure memory segmentation |
| I/O Count | 51 programmable GPIOs with capacitive touch, edge-selectable LPM wakeup, pullup/pulldown |
| ADC Resolution | 12-bit SAR ADC with internal reference, sample-and-hold, and up to 8 external input channels |
| Timer Resources | Five 16-bit timers: TA0/TA1/TA2/TA3 (3+3+2+5 CC registers), TB0 (2+5 CC registers) |
Pinout & Package
VQFN-64 (RGC) package, 9 mm × 9 mm body, 0.5 mm pitch, thermal pad recommended to be connected to DVSS.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| P1.0–P1.7 | General-purpose I/O with analog comparator/ADC inputs | Support capacitive touch, RTCCLK, DMAE0, VREF±, and multiple peripheral functions |
| P2.0–P2.3 | UART BSL interface and timer/RTC signals | P2.0/P2.1 serve as BSL_TX/BSL_RX; P2.2 provides RTCCLK output; all support LPM wakeup |
| P3.0–P3.7 | eUSCI_B1 and Timer_A3 I/O | UCB1CLK/SIMO/SOMI/STE and TA3.2–TA3.4 - enable I²C slave addressing and PWM capture |
| PJ.0–PJ.5 | JTAG/SBW debug and low-frequency crystal interface | PJ.4/PJ.5 connect 32-kHz crystal; PJ.0–PJ.3 provide TDO/TDI/TMS/TCK for programming and trace |
| DVCC1/DVCC2/DVCC3 | Digital power supply rails | Three independent DVCC pins reduce noise coupling and improve LPM stability |
| AVCC1/AVSS1/AVSS2 | Analog power and ground | Dedicated analog supply improves ADC accuracy and reduces digital switching noise |
Key Features
| Feature | Design Value |
|---|---|
| Ferroelectric RAM (FRAM) | 64KB unified memory eliminates erase cycles, enables true instant-on/off and data logging at µA-level power |
| Ultra-Low-Power Modes | LPM3.5 (0.35 µA) retains RTC + calendar + 26B Tiny RAM - ideal for time-stamped sensor wakeups |
| Hardware Security | AES256 coprocessor with lockable memory segments prevents firmware reverse engineering and IP theft |
| Capacitive Touch I/O | All 51 GPIOs support CSD without external RC networks - reduces BOM cost and PCB area |
| Flexible Clock System | DCO (10 factory-trimmed frequencies), HFXT/LFXT support, and VLO enable precise timing across voltage/temperature |
| Peripheral Integration | Dual eUSCI_A (UART/IrDA/SPI) + dual eUSCI_B (I²C/SPI) allow concurrent wired/wireless communication stacks |
Applications
| Smart Utility Metering | Energy-Harvesting Sensor Node |
|---|---|
Use Scenario: Battery- or solar-powered water/gas meter with hourly pulse counting and monthly RF upload. IC Role / Device Role / Timing Role: Main controller executing metrology algorithms, managing FRAM-based log storage, and driving sub-GHz transceiver via SPI. Use Value: 64KB FRAM stores >1 year of 15-min interval logs; LPM3.5 current extends battery life beyond 10 years. | Use Scenario: Indoor environmental monitor powered by indoor light harvester, reporting temperature/humidity every 5 minutes. IC Role / Device Role / Timing Role: System-on-chip managing energy harvesting PMIC, ADC sampling, AES-encrypted BLE transmission, and RTC-triggered wakeups. Use Value: AES256 secures sensor data before BLE transmission; FRAM withstands infinite write cycles from intermittent harvest events. |
| Wearable Health Patch | Industrial Data Logger |
Use Scenario: Disposable ECG patch with 7-day continuous recording, Bluetooth pairing, and tamper-proof firmware. IC Role / Device Role / Timing Role: Signal acquisition controller with analog comparator front-end, real-time R-peak detection, and secure OTA updates. Use Value: Capacitive touch I/O enables on-patch buttonless interaction; lockable FRAM segments prevent unauthorized firmware modification. | Use Scenario: DIN-rail mounted logger capturing vibration, temperature, and current in factory machinery with 10-year deployment. IC Role / Device Role / Timing Role: Standalone data aggregator with isolated RS-485 interface, timestamped FRAM storage, and watchdog-managed recovery. Use Value: 10¹⁵ FRAM write endurance ensures reliable logging over full product lifetime; CRC32 validates integrity of stored datasets. |
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 | No AES256 engine; identical FRAM, timers, ADC, and package | Not suitable for encrypted data transmission or secure boot requirements | Select when cryptographic acceleration is unnecessary and cost sensitivity is high |
| MSP430FR59221IRGCR | Omits HFXT oscillator; supports only LFXT (32 kHz) and DCO; same FRAM and I/O count | Cannot drive high-speed interfaces requiring stable MHz clocks (e.g., 10 Mbps SPI) | Choose for pure low-frequency sensing where HFXT is unused and BOM simplification is prioritized |
Compared with MSP430FR5972IRGCR, the MSP430FR59721IRGCR adds hardware AES256 for secure firmware/data handling; compared with MSP430FR59221IRGCR, it includes HFXT for higher-frequency peripheral operation and broader clock flexibility.
Availability
MSP430FR59721IRGCR is available at Aetrix Electronics and suitable for smart utility metering, energy-harvesting sensor nodes, and wearable electronics requiring stable component supply, long-term lifecycle assurance, and TI-authorized traceability.
Supply support for MSP430FR59721IRGCR 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 MSP430FR59xx family is designed for ultra-low-power sensing and measurement applications, emphasizing FRAM-based data integrity, multi-year battery operation, and integrated security for edge intelligence.
FAQ
What is the maximum operating frequency of the MSP430FR59721IRGCR?
The MSP430FR59721IRGCR supports a maximum system clock frequency of 16 MHz using the DCO or HFXT oscillator. This enables high-throughput peripheral operation such as 10 Mbps SPI transfers and real-time signal processing while maintaining ultra-low-power efficiency in active mode (~100 µA/MHz).
Does the MSP430FR59721IRGCR support hardware-accelerated cryptography?
Yes, the MSP430FR59721IRGCR includes a dedicated 256-bit AES encryption/decryption coprocessor. It offloads cryptographic operations from the CPU, supports key storage in lockable memory segments, and enables secure boot, OTA updates, and encrypted sensor data transmission without impacting real-time performance.
How many I/O pins does the MSP430FR59721IRGCR provide, and what special capabilities do they offer?
The MSP430FR59721IRGCR provides 51 general-purpose I/O pins in its VQFN-64 (RGC) package. All pins support capacitive touch sensing without external components, edge-selectable wakeup from low-power modes, and programmable pullup/pulldown resistors - enabling robust human interface and ultra-low-power event-driven operation.
What low-power modes are available on the MSP430FR59721IRGCR, and what is the lowest active current draw?
The MSP430FR59721IRGCR offers seven low-power modes, including LPM3.5 (RTC active) at 0.35 µA typical and LPM4.5 (shutdown) at 0.04 µA typical. Active mode draws approximately 100 µA per MHz, allowing efficient computation during brief wake periods while maximizing battery longevity in duty-cycled applications.
Is the MSP430FR59721IRGCR pin-compatible with other devices in the MSP430FR59xx family?
Yes, the MSP430FR59721IRGCR shares identical pinout and package (VQFN-64, RGC) with MSP430FR5972IRGCR, MSP430FR5970IRGCR, and MSP430FR59221IRGCR. Functional differences (e.g., AES presence, HFXT support) do not affect physical layout, enabling design reuse across variants with minimal firmware adaptation.
MSP430FR59721IRGCR 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:
- 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:
MSP430FR59721IRGCR FAQ
1.How can I place an order for MSP430FR59721IRGCR through Aetrix?
Please submit a Request for Quotation (RFQ) for MSP430FR59721IRGCR 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 MSP430FR59721IRGCR reliable?
The price and inventory of MSP430FR59721IRGCR are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MSP430FR59721IRGCR is usually 5 days.
3.What payment methods are accepted for MSP430FR59721IRGCR?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MSP430FR59721IRGCR transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MSP430FR59721IRGCR?
MSP430FR59721IRGCR orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MSP430FR59721IRGCR 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 MSP430FR59721IRGCR?
For technical support, including MSP430FR59721IRGCR datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MSP430FR59721IRGCR requirements.
6.How does Aetrix verify that MSP430FR59721IRGCR is sourced from the original manufacturer or authorized distributors?
All MSP430FR59721IRGCR 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 MSP430FR59721IRGCR meets industry standards.
7.What is the process for return or replacement of MSP430FR59721IRGCR?
All MSP430FR59721IRGCR units undergo pre-shipment inspection (PSI). If there is an issue with MSP430FR59721IRGCR, 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 MSP430FR59721IRGCR part is unused and in its original packaging.
Return procedure for MSP430FR59721IRGCR:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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