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Texas Instruments MSP430FR5994IZVW
- Part No.:
- MSP430FR5994IZVW
- Manufacturer:
- Texas Instruments
- Category:
- Microcontrollers
- Package:
- 87-VFBGA
- Datasheet:
-
MSP430FR5994IZVW.pdf
- Description:
- IC MCU 16BIT 256KB FRAM 87NFBGA
- Quantity:
- Payment:
- Shipping:
Inventory:310
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Product details
Overview
MSP430FR5994IZVW from Texas Instruments is a 16-bit ultra-low-power FRAM microcontroller featuring 256KB FRAM, 8KB RAM, integrated Low-Energy Accelerator (LEA), 12-bit ADC with 20 external channels, and dual 32-/16-bit CRC. It operates from 1.8 V to 3.6 V and supports real-time clock (RTC) in LPM3.5 mode at 350 nA - deployed in grid infrastructure metering and wearable fitness monitors requiring nonvolatile memory with fast write endurance.
For engineers reviewing the MSP430FR5994IZVW datasheet, MSP430FR5994IZVW pinout, MSP430FR5994IZVW application, or MSP430FR5994IZVW equivalent, key selection criteria include FRAM write speed (125 ns/word), LEA-accelerated FFT performance, RTC+LPM3.5 current (350 nA), capacitive-touch I/O support on all pins, and NFBGA-87 package compatibility with high-density PCB layouts.
Technical Context
The MSP430FR5994IZVW implements a CPUXV2 core with 16 registers and integrates a dedicated Low-Energy Accelerator (LEA) subsystem sharing 4KB of RAM - enabling independent execution of signal processing kernels like 256-point complex FFT without CPU intervention. Its FRAM controller (FRCTL_A) manages unified memory allocation between code and data with 10¹⁵ write-cycle endurance.
Power management includes five low-power modes (LPM0–LPM4.5), with LPM3.5 sustaining RTC operation via 3.7-pF crystal and LPM4.5 delivering 45 nA shutdown current. Clock sources comprise DCO (10 factory-trimmed frequencies), LFXT (32-kHz crystal), HFXT (high-frequency crystal), and VLO - all configurable per mode to optimize active/idle energy trade-offs.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core Architecture | CPUXV2 16-bit RISC core, up to 16 MHz - enables deterministic real-time control with minimal instruction cycles per task. |
| Memory | 256 KB FRAM + 0.5 KB information memory + 8 KB RAM (4 KB shared with LEA) - supports over-the-air firmware updates and data logging without flash wear-out. |
| FRAM Write Speed | 125 ns per word (64 KB in 4 ms) - eliminates write latency bottlenecks in sensor data buffering and event-triggered logging. |
| Low-Power Modes | LPM3.5: 350 nA (RTC active); LPM4.5: 45 nA (full shutdown) - extends battery life in maintenance-free IoT endpoints for >10 years. |
| Analog Peripherals | 12-bit ADC with 20 external inputs, window comparator, internal reference, sample-and-hold - enables precision voltage/current sensing in smart meters and portable health devices. |
| Digital Acceleration | LEA subsystem performs 256-point complex FFT up to 40× faster than Arm Cortex-M0+ - offloads DSP workloads from CPU for concurrent sensor fusion and communication tasks. |
| Security | 128/256-bit AES coprocessor + IP encapsulation + random number seed - meets firmware integrity and secure boot requirements in utility-grade edge nodes. |
Pinout & Package
NFBGA-87 package (6 mm × 6 mm, 0.5 mm pitch), bottom-side ball grid with DVSS/DVCC/AVSS/AVCC power domains, dedicated LFXT/HFXT crystal connections (PJ.4/PJ.5/PJ.6/PJ.7), and 68 GPIOs supporting capacitive touch, UART/I²C/SPI via eUSCI modules, and RTC calendar functions.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| RST/NMI | Reset and Non-Maskable Interrupt input | Active-low reset with programmable NMI capability; requires 10-nF pulldown if unused per TI layout guidelines. |
| P1.0–P1.7, P2.0–P2.7, etc. | Multi-function GPIO ports | All pins support capacitive-touch sensing without external components; configurable pullup/pulldown and edge-selectable wake from LPM. |
| PJ.4/LFXIN, PJ.5/LFXOUT | Low-frequency crystal interface | Connects to 32.768-kHz tuning-fork crystal for RTC operation in LPM3.5 with 350 nA current draw. |
| PJ.6/HFXIN, PJ.7/HFXOUT | High-frequency crystal interface | Supports external HFXT up to 24 MHz for high-speed peripheral operation or precise timing calibration. |
| TEST/SBWTCK, RST/NMI | Spy-Bi-Wire debug interface | 2-pin JTAG-compatible programming and debugging path - reduces test point count and PCB routing complexity. |
Key Features
| Feature | Design Value |
|---|---|
| Ferroelectric RAM (FRAM) | 256 KB unified memory with 10¹⁵ write endurance and 125 ns write speed - eliminates flash erase delays and wear leveling overhead in frequent-data-update applications. |
| Low-Energy Accelerator (LEA) | Dedicated hardware accelerator executing FFT/FIR/matrix ops independently of CPU - reduces active-mode time by up to 40× vs software-only implementations. |
| Capacitive Touch I/O | All 68 GPIOs support CSD (capacitive sensing) with no external RC network - enables cost-effective touch buttons, sliders, and proximity detection in space-constrained wearables. |
| Real-Time Clock (RTC) | Calendar-mode RTC with alarm and battery-backup capability operating in LPM3.5 at 350 nA - sustains timekeeping during multi-year battery operation without external RTC IC. |
| eUSCI Serial Interfaces | Four eUSCI_A (UART/IrDA/SPI) and four eUSCI_B (I²C/SPI) modules - supports simultaneous BLE host communication, sensor I²C buses, and debug UART without resource contention. |
Applications
| Smart Electricity Metering | Industrial Sensor Node |
|---|---|
Use Scenario: Two-way communication and tamper-resistant energy logging in ANSI C12.19-compliant smart meters with 10+ year battery life. IC Role / Device Role / Timing Role: Primary MCU managing metrology ADC sampling, FRAM-based secure firmware storage, RTC-synchronized billing intervals, and DLMS/COSEM protocol stack. Use Value: FRAM endurance enables daily firmware patching and decade-long data retention; LPM3.5 RTC ensures accurate time-of-use billing without external timekeeping IC. | Use Scenario: Wireless vibration/temperature node in predictive maintenance systems deployed inside sealed motor enclosures. IC Role / Device Role / Timing Role: Signal acquisition hub performing FFT-based spectral analysis on accelerometer data using LEA, then transmitting results via UART-to-LoRa module. Use Value: LEA accelerates 256-point FFT in <100 µs - cuts active-mode duration by 90%, extending AA-cell battery life to 7+ years at 1-sample/sec duty cycle. |
| Wearable Fitness Tracker | Building Automation Controller |
Use Scenario: Compact wrist-worn device measuring heart rate, motion, and skin temperature with continuous capacitive touch UI and Bluetooth LE connectivity. IC Role / Device Role / Timing Role: System-on-chip handling optical PPG signal conditioning, 3-axis accelerometer fusion, capacitive button/slider input, and BSL-based OTA updates. Use Value: All-GPIO capacitive touch eliminates BOM cost of dedicated touch IC; FRAM enables instant firmware rollback on failed update without bricking. | Use Scenario: DIN-rail mounted HVAC controller interfacing with RS-485 Modbus sensors, local LCD, and wireless gateway via UART-to-WiFi bridge. IC Role / Device Role / Timing Role: Central control unit running PID loops, managing display refresh, logging occupancy events to FRAM, and maintaining secure Modbus communication. Use Value: Dual CRC engines (CRC32/CRC16) validate sensor data integrity and firmware images; AES256 secures remote configuration commands against replay attacks. |
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 |
|---|---|---|---|
| MSP430FR5964IZVW | No Low-Energy Accelerator (LEA); identical FRAM/RAM, clock system, and peripheral set otherwise. | Not suitable for FFT-intensive sensor fusion; better for simpler metering or control where DSP acceleration is unnecessary. | Select when LEA is not required and cost sensitivity outweighs 40× FFT acceleration benefit. |
| MSP430FR5994IPN | Same silicon die, but in 80-pin LQFP (12 mm × 12 mm) instead of 87-pin NFBGA (6 mm × 6 mm). | Preferred for prototyping or low-volume designs where manual soldering and debug access are prioritized over board area. | Select for development boards or industrial controls where PCB real estate is less constrained than in wearables or meters. |
Compared with MSP430FR5994IPN, the MSP430FR5994IZVW delivers identical functionality in a 6×6 mm footprint ideal for miniaturized designs, while MSP430FR5964IZVW removes LEA to reduce cost where signal processing acceleration is not needed - enabling tiered product variants across performance and size requirements.
Availability
MSP430FR5994IZVW is available at Aetrix Electronics and suitable for grid infrastructure metering, industrial sensor nodes, and wearable fitness trackers requiring stable component supply, long-term lifecycle assurance, and traceable sourcing for certified deployments.
Supply support for MSP430FR5994IZVW 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.
The MSP430FR599x product line was engineered to merge FRAM nonvolatility with holistic ULP architecture - targeting battery-operated IoT endpoints where firmware agility, data integrity, and multi-year runtime are non-negotiable.
FAQ
What is the maximum operating frequency of the MSP430FR5994IZVW?
The MSP430FR5994IZVW supports a maximum system clock frequency of 16 MHz via its digitally controlled oscillator (DCO) or external HFXT crystal. This frequency is fully supported across all active and low-power modes, enabling deterministic real-time execution for time-critical metrology and control tasks within the MSP430FR5994IZVW's power envelope.
Does the MSP430FR5994IZVW support hardware encryption?
Yes, the MSP430FR5994IZVW integrates a dedicated 128/256-bit AES security coprocessor and random number seed generator. These features enable secure boot, encrypted firmware updates, and authenticated communication - all implemented in hardware without CPU overhead, preserving the ultra-low-power profile of the MSP430FR5994IZVW.
How many I/O pins does the MSP430FR5994IZVW provide in its NFBGA-87 package?
The MSP430FR5994IZVW in the NFBGA-87 package provides 68 general-purpose I/O pins, all supporting capacitive touch sensing, programmable pullup/pulldown, and edge-selectable wake-from-LPM functionality. Pin assignments are documented in Section 7.1 of the SLASE54D datasheet, including dedicated crystal, power, and debug terminals.
What is the standby current consumption of the MSP430FR5994IZVW with RTC enabled?
The MSP430FR5994IZVW consumes 350 nA in LPM3.5 mode with RTC active and clocked by a 3.7-pF crystal - verified under recommended operating conditions (VCC = 3.0 V, TA = 25°C). This ultra-low current enables decade-long battery operation in time-sensitive applications such as smart meter billing cycles and environmental logging.
Is the MSP430FR5994IZVW pin-compatible with other members of the MSP430FR599x family?
Yes, the MSP430FR5994IZVW shares identical pinout and electrical characteristics with MSP430FR59941IZVW and MSP430FR5992IZVW in the NFBGA-87 package. Differences are limited to FRAM capacity (256 KB vs 128 KB) and bootloader type (UART vs I²C), allowing drop-in replacement where memory or BSL interface requirements align.
MSP430FR5994IZVW Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Texas Instruments
- Package/Case:
- 87-VFBGA
- Series:
- MSP430™ FRAM
- Packaging:
- Tray
- Product Status:
- Active
- Programmable:
- Not Verified
- Core Processor:
- MSP430 CPUXV2
- Core Size:
- 16-Bit
- Speed:
- 16MHz
- Connectivity:
- I2C, IrDA, SPI, UART/USART
- Peripherals:
- Brown-out Detect/Reset, DMA, POR, PWM, WDT
- Number of I/O:
- 68
- Program Memory Size:
- 256KB (256K x 8)
- Program Memory Type:
- FRAM
- EEPROM Size:
- -
- RAM Size:
- 8K x 8
- Voltage - Supply (Vcc/Vdd):
- 1.8V ~ 3.6V
- Data Converters:
- A/D 20x12b
- Oscillator Type:
- External, Internal
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
MSP430FR5994IZVW FAQ
1.How can I place an order for MSP430FR5994IZVW through Aetrix?
Please submit a Request for Quotation (RFQ) for MSP430FR5994IZVW 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 MSP430FR5994IZVW reliable?
The price and inventory of MSP430FR5994IZVW are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MSP430FR5994IZVW is usually 5 days.
3.What payment methods are accepted for MSP430FR5994IZVW?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MSP430FR5994IZVW transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MSP430FR5994IZVW?
MSP430FR5994IZVW orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MSP430FR5994IZVW 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 MSP430FR5994IZVW?
For technical support, including MSP430FR5994IZVW datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MSP430FR5994IZVW requirements.
6.How does Aetrix verify that MSP430FR5994IZVW is sourced from the original manufacturer or authorized distributors?
All MSP430FR5994IZVW 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 MSP430FR5994IZVW meets industry standards.
7.What is the process for return or replacement of MSP430FR5994IZVW?
All MSP430FR5994IZVW units undergo pre-shipment inspection (PSI). If there is an issue with MSP430FR5994IZVW, 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 MSP430FR5994IZVW part is unused and in its original packaging.
Return procedure for MSP430FR5994IZVW:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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