MSP430FR5994 - 16MHz 256KB FRAM MCU LEA | Texas Instruments
MPN: MSP430FR5994IPMR β Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $5.12 | $5.12 |
| 10 | $4.61 | $46.10 |
| 100 | $4.05 | $405.00 |
| 500 | $3.72 | $1,860.00 |
| 1,000 | $3.35 | $3,350.00 |
Drop-in alternatives for MSP430FR5994IPMR β same package, pin-to-pin compatible. Different-package parts requiring PCB rework are excluded.
Quick Comparison Tool β Select alternative parts for side-by-side comparison:
MSP430FR59941IPMR
β Drop-Inπ Reference alternative (not in catalog)
MSP430FR5964IPMR
β Drop-Inπ Reference alternative (not in catalog)
MSP430FR5989IPMR
β Drop-Inβ In Stock
$5.58 / Unit
View Datasheet βMSP430FR6994IPMR
β Drop-Inπ Reference alternative (not in catalog)
MSP430FR5969IPMR
β Drop-Inπ Reference alternative (not in catalog)
MSP430FR5994IPMR Maximum Ratings & Electrical Characteristics
| Core | MSP430 CPUXV2 16-bit RISC |
| CPU Frequency | 16 MHz |
| Non-Volatile Memory | 256 KB FRAM |
| SRAM | 8 KB |
| Data Bus Width | 16-bit |
| Hardware Accelerator | Low-Energy Accelerator (LEA), AES |
| ADC | 12-bit |
| Communication Interfaces | UART, SPI, I2C |
| Timers | Timer |
| DMA | Yes |
| Comparators | Yes |
| Package | LQFP-64 (10x10 mm), PM suffix |
| Mounting Type | Surface Mount |
| Operating Temperature | [DATA_NEEDED: operating temperature range] |
| Supply Voltage | [DATA_NEEDED: supply voltage range] |
| Development Kit | MSP-EXP430FR5994 LaunchPad, MSP-TS430PN80B target board |
MSP430FR5994IPMR lqfp-64 (10x10 mm), pm suffix Pin Configuration Guide
Complete pinout information for MSP430FR5994IPMR (lqfp-64 (10x10 mm), pm suffix package) with 64 pins. This digital IC includes GPIO, communication interfaces (UART, SPI, I2C), and power pins. Refer to the manufacturer datasheet for alternate pin functions and configuration options. Essential for embedded system design and PCB layout.
No detailed pinout data available for MSP430FR5994IPMR.
Refer to the datasheet for full pin configuration.
Estimated pin count: 64 pins (digital package)
Safe Operating Area (SOA) & Thermal Characteristics
No official SOA curve available for this digital IC. Always operate within absolute maximum ratings specified in the datasheet. Ensure adequate cooling and derate as needed.
Typical Applications
MSP430FR5994IPMR is suitable for 6 applications: Battery-Powered Sensor Nodes, Edge Signal Processing / DSP Sensing, Building Automation and Metering, Portable Medical Devices, IoT and Connected Devices, Data Logging and Firmware OTA Systems.
Battery-Powered Sensor Nodes
The MSP430FR5994 fits battery-powered sensing nodes because FRAM writes consume far less energy than flash and the MSP430 platform is built for lowest-power operation. The 12-bit ADC, comparators, and DMA allow sampling while the CPU sleeps in LPM modes, and 256KB FRAM stores long data logs without wear-out concerns thanks to 100-billion-cycle endurance. Typical nodes run for years on a coin cell or primary lithium cell.
Recommended
Edge Signal Processing / DSP Sensing
The integrated Low-Energy Accelerator makes the FR5994 ideal for FFT, FIR, and matrix operations in vibration, acoustic, and biomedical sensing. TI rates LEA at up to 40x Cortex-M0+ performance on these kernels, so spectral analysis can run locally at a fraction of the energy of a CPU-only implementation. Data streams move through DMA to LEA without CPU intervention, keeping the core asleep for longer duty-cycled operation.
Recommended
Building Automation and Metering
Smart meters and building controllers benefit from the FR5994's 256KB unified FRAM, which supports frequent non-volatile data logging and OTA firmware updates without sector-erase latency. UART, SPI, and I2C interfaces connect to communication modules and peripherals, while the AES accelerator secures metering data. Ultra-low-power modes keep standby consumption minimal between measurement and reporting cycles in HVAC and energy-monitoring equipment.
Recommended
Portable Medical Devices
Portable diagnostics and health monitors need long battery life plus local signal processing - exactly where the FR5994's LEA excels at filtering ECG/PPG waveforms in real time. The 12-bit ADC digitizes biosignals, FRAM securely stores patient records with 100-billion-cycle endurance, and the AES accelerator protects sensitive data. The 64-pin LQFP provides enough I/O for displays, buttons, and connectivity while remaining compact.
Recommended
IoT and Connected Devices
For IoT end nodes, the FR5994 combines the AES hardware accelerator for secure over-the-air updates with FRAM's fast, energy-efficient writes that make OTA code swaps reliable even on small batteries. UART/SPI/I2C link to RF modules, and the 16 MHz CPUXV2 core handles protocol stacks for low-bandwidth applications. LEA can pre-process sensor data locally to reduce transmitted payload size and network energy cost.
Recommended
Data Logging and Firmware OTA Systems
The unified 256KB FRAM of the FR5994 removes the classic flash logging bottleneck: writes occur byte-wise with no erase blocks, enabling high-frequency data recording and A/B firmware banking for fail-safe over-the-air updates. With 100-billion-cycle endurance, log frequency is limited by write bandwidth, not memory wear. Applications include energy metering archives, event recorders, and configuration stores in industrial equipment.
Recommended
Recommended Products Summary
Engineering reference data for MSP430FR5994IPMR β comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | MSP430FR59941IPMR | MSP430FR5964IPMR | MSP430FR5989IPMR | MSP430FR6994IPMR | MSP430FR5969IPMR |
|---|---|---|---|---|---|---|
| Package | LQFP-64 (10x10 mm) | LQFP-64 - same | LQFP-64 - same | LQFP-64 - same | LQFP-64 - same | LQFP-64 - same |
| Brand | Texas Instruments | Texas Instruments | Texas Instruments | Texas Instruments | Texas Instruments | Texas Instruments |
| FRAM Size | 256 KB | 256 KB | 256 KB | 256 KB | 256 KB | 128 KB |
| LEA Accelerator | Yes | Yes | No | No | Yes | No |
| CPU Frequency | 16 MHz | 16 MHz | 16 MHz | 16 MHz | 16 MHz | 16 MHz |
| AES Accelerator | Yes | Yes | Yes | Yes | Yes | Yes |
| SRAM | 8 KB | 8 KB | 8 KB | 8 KB | 8 KB | [DATA_NEEDED] |
| Pin-to-Pin Compatibility | Reference | Yes (confirmed) | Yes (family) | Yes (TI E2E confirmed) | Verify pinout in datasheet | Yes (family) |
Key Differentiators
- LEA hardware DSP accelerator (vs MSP430FR5989IPMR)
- 256KB unified FRAM (vs MSP430FR5969IPMR)
- Lower cost without LEA (vs MSP430FR5964IPMR)
Design Notes
When migrating from MSP430FR5989 or MSP430FR5964 to the FR5994, verify that your toolchain links the LEA library only on devices that include LEA - the FR5989 and FR5964 lack it even though pinout and most registers match. Also confirm FRAM wait-state settings when executing code at 16 MHz above the FRAM access threshold, and review datasheet Table 3-1 for family feature deltas before layout release.
Use the LPM modes aggressively: FRAM writes can occur while the CPU is asleep via DMA, so sample with the 12-bit ADC triggered by timers and log directly to FRAM. Decouple VCC/VSS pairs with 100 nF ceramics placed within 2 mm of each pin pair, and keep the analog reference path (for the 12-bit ADC) routed away from the 16 MHz digital clock traces.
The 64-pin LQFP (10x10 mm) has 0.5 mm pin pitch - use 4-mil trace/space minimum for fanout, and add a solid ground plane beneath the device. TI's MSP-TS430PN80B target board and MSP-EXP430FR5994 LaunchPad provide reference layouts, including JTAG/Spy-Bi-Wire connector placement for debugging. Reserve the JTAG pins per TI's standard header pattern to maintain in-circuit programmability.
Compliance Information
Standard TI catalog device; RoHS compliance per TI product page. Confirm exact certificate via TI material content search for MSP430FR5994IPMR.
