{"id":8521,"date":"2026-06-29T03:05:19","date_gmt":"2026-06-29T03:05:19","guid":{"rendered":"https:\/\/materialparts.com\/msp430fr5994ipmr\/"},"modified":"2026-06-29T06:28:22","modified_gmt":"2026-06-29T06:28:22","slug":"msp430fr5994ipmr","status":"publish","type":"post","link":"https:\/\/materialparts.com\/ar\/msp430fr5994ipmr\/","title":{"rendered":"MSP430FR5994IPMR"},"content":{"rendered":"

\u0646\u0638\u0631\u0629 \u0639\u0627\u0645\u0629 \u0639\u0644\u0649 \u0627\u0644\u0645\u0646\u062a\u062c<\/h2>\n

The MSP430FR5994IPMR from Texas Instruments is a 16 MHz ultra-low-power FRAM microcontroller with 256 KB FRAM, 8 KB SRAM, and a Low-Energy Accelerator (LEA) for DSP operations in a 64-pin LQFP (10×10 mm) package. With 118 \u00b5A\/MHz active, 45 nA shutdown, and AES encryption, it enables always-on sensing and secure data logging in energy-constrained applications.<\/p>\n

\u0627\u0644\u0645\u0648\u0627\u0635\u0641\u0627\u062a \u0627\u0644\u0631\u0626\u064a\u0633\u064a\u0629<\/h2>\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
\u0627\u0644\u0623\u0633\u0627\u0633\u064a\u0627\u062a<\/td>\n16-bit MSP430 RISC, 16 MHz max<\/td>\n<\/tr>\n
Non-Volatile Memory<\/td>\n256 KB FRAM (10^15 write cycles)<\/td>\n<\/tr>\n
RAM<\/td>\n8 KB SRAM (4 KB shared with LEA)<\/td>\n<\/tr>\n
FRAM Write Endurance<\/td>\n10^15 cycles (virtually unlimited)<\/td>\n<\/tr>\n
\u062c\u0647\u062f \u0627\u0644\u0625\u0645\u062f\u0627\u062f<\/td>\n1.8V to 3.6V<\/td>\n<\/tr>\n
Active Current<\/td>\n118 \u00b5A\/MHz typ<\/td>\n<\/tr>\n
Standby (LPM3)<\/td>\n500 nA typ<\/td>\n<\/tr>\n
Shutdown (LPM4.5)<\/td>\n45 nA typ<\/td>\n<\/tr>\n
LEA<\/td>\nLow-Energy Accelerator (FFT, FIR, vector ops)<\/td>\n<\/tr>\n
AES<\/td>\n128\/256-bit encryption\/decryption<\/td>\n<\/tr>\n
ADC<\/td>\n12-bit SAR, up to 20 channels<\/td>\n<\/tr>\n
\u062f\u0631\u062c\u0629 \u062d\u0631\u0627\u0631\u0629 \u0627\u0644\u062a\u0634\u063a\u064a\u0644<\/td>\n-40 \u062f\u0631\u062c\u0629 \u0645\u0626\u0648\u064a\u0629 \u0625\u0644\u0649 +85 \u062f\u0631\u062c\u0629 \u0645\u0626\u0648\u064a\u0629<\/td>\n<\/tr>\n
\u0627\u0644\u062d\u0632\u0645\u0629<\/td>\nLQFP-64 (10 \u00d7 10 \u00d7 10 \u00d7 1.4 \u0645\u0645)<\/td>\n<\/tr>\n<\/table>\n

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    \n
  • 256 KB FRAM with 10^15 write cycle endurance<\/li>\n
  • Low-Energy Accelerator (LEA) for DSP without CPU intervention<\/li>\n
  • 128\/256-bit AES hardware encryption<\/li>\n
  • Ultra-low power: 118 \u00b5A\/MHz active, 45 nA shutdown<\/li>\n
  • 12-bit ADC with window comparator and 20 channels<\/li>\n
  • 4x eUSCI_A (UART\/SPI) + 4x eUSCI_B (I2C\/SPI)<\/li>\n
  • 6-channel DMA and 32-bit hardware multiplier<\/li>\n<\/ul>\n

    \u0627\u0644\u062a\u0637\u0628\u064a\u0642\u0627\u062a<\/h2>\n
      \n
    • Wearable health and fitness monitoring<\/li>\n
    • Smart meter and energy harvesting<\/li>\n
    • Industrial sensor data logging<\/li>\n
    • Voice and audio processing (LEA)<\/li>\n
    • Secure IoT edge nodes<\/li>\n<\/ul>","protected":false},"excerpt":{"rendered":"

      Product Overview The MSP430FR5994IPMR from Texas Instruments is a 16 MHz ultra-low-power FRAM microcontroller with 256 KB FRAM, 8 KB SRAM, and a Low-Energy Accelerator (LEA) for DSP operations in a 64-pin LQFP (10×10 mm) package. With 118 \u00b5A\/MHz active, 45 nA shutdown, and AES encryption, it enables always-on sensing and secure data logging in […]<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[13,25],"tags":[],"chip_brand":[138],"class_list":["post-8521","post","type-post","status-publish","format-standard","hentry","category-integrated-circuits-ics","category-microcontrollers-mcu","chip_brand-ti"],"acf":{"brief_explanation":"FRAM MCU, 256KB FRAM, 8KB SRAM, LEA DSP, AES-256, 45nA shutdown, LQFP-64","date_code":"","package_case":"LQFP-64 (10 x 10 x 1.4 mm)","in_stock":8653,"datasheet":"https:\/\/www.ti.com\/lit\/ds\/symlink\/msp430fr5994.pdf","price":"$4.21 @ 1ku","product_introduction":"The Texas Instruments MSP430FR5994IPMR is an ultra-low-power 16-bit FRAM microcontroller that combines 256 KB of non-volatile FRAM with a Low-Energy Accelerator (LEA) for signal processing and hardware AES encryption for secure data handling. The FRAM technology provides 10^15 write cycle endurance (effectively unlimited) compared to 10^5 cycles for Flash, enabling continuous data logging without wear-out concerns. The LEA performs DSP operations including FFT, FIR filtering, and vector math up to 40x faster than a Cortex-M0+ at a fraction of the energy cost. The AES-128\/256 hardware accelerator enables secure wireless communication in IoT applications. The device achieves 118 \u00b5A\/MHz in active mode and 45 nA in LPM4.5 shutdown, with instant FRAM wakeup (no Flash wait states or bootloader delay). The 12-bit ADC with window comparator can wake the CPU only when sensor data exceeds programmed thresholds, further reducing average power consumption.","working_principle":"The MSP430FR5994IPMR is based on the 16-bit MSP430 RISC architecture with 27 core instructions and 7 addressing modes. The FRAM (Ferroelectric Random Access Memory) uses a ferroelectric capacitor per bit cell that stores data as the polarization state of the ferroelectric material, providing non-volatile storage with SRAM-like read\/write speed and virtually unlimited endurance (10^15 cycles). Unlike Flash memory, FRAM does not require a charge pump or erase-before-write, enabling single-cycle byte-level writes at 125 ns per word. The Low-Energy Accelerator (LEA) is a hardware DSP engine with its own program counter and local memory (4 KB shared SRAM), executing vector operations, FIR\/IIR filters, and FFT transforms independently of the CPU. A typical 256-point complex FFT takes approximately 270 \u00b5s at 16 MHz, compared to 11 ms on a Cortex-M0+. The AES hardware accelerator performs 128-bit or 256-bit encryption\/decryption in 125 cycles (8 \u00b5s at 16 MHz), offloading the CPU from cryptographic operations. The 12-bit SAR ADC with window comparator can operate in LPM3 mode, generating an interrupt only when the conversion result falls outside programmed thresholds.","pin_description":"
      Pin<\/th>Name<\/th>Description<\/th><\/tr>
      1-8<\/td>P1.0-P1.7<\/td>Port 1 I\/O (ADC, timer, UART, SPI)<\/td><\/tr>
      9-16<\/td>P2.0-P2.7<\/td>Port 2 I\/O (ADC, timer, UART, SPI)<\/td><\/tr>
      17-24<\/td>P3.0-P3.7<\/td>Port 3 I\/O (ADC, timer, I2C)<\/td><\/tr>
      25-32<\/td>P4.0-P4.7<\/td>Port 4 I\/O (ADC, timer, SPI)<\/td><\/tr>
      33-40<\/td>P5.0-P5.7<\/td>Port 5 I\/O (timer, compass, SPI)<\/td><\/tr>
      41-48<\/td>P6.0-P6.7<\/td>Port 6 I\/O (ADC, comparator)<\/td><\/tr>
      49-56<\/td>P7.0-P7.7<\/td>Port 7 I\/O (ADC, timer, SPI)<\/td><\/tr>
      57<\/td>AVCC<\/td>Analog Supply<\/td><\/tr>
      58<\/td>AVSS<\/td>Analog Ground<\/td><\/tr>
      59<\/td>DVCC<\/td>Digital Supply (1.8-3.6V)<\/td><\/tr>
      60<\/td>DVSS<\/td>Digital Ground<\/td><\/tr>
      61-62<\/td>RST\/NMI, TEST<\/td>Reset \/ Test \/ SBW<\/td><\/tr>
      63-64<\/td>XIN\/XOUT<\/td>Crystal Oscillator<\/td><\/tr><\/table>","application_scenarios":"
      • Wearable Health<\/b>: 256 KB FRAM storing ECG, accelerometer, and SpO2 waveform data continuously with 10^15 write endurance, 45 nA shutdown between measurement intervals<\/li>
      • Smart Meter<\/b>: Energy-harvesting powered meter with FRAM data logging (no Flash wear-out), AES-256 encryption of billing data, and LEA for load profile analysis<\/li>
      • Voice Processing<\/b>: LEA performing real-time FFT and MFCC feature extraction for keyword spotting with 10x lower energy than CPU-based DSP<\/li>
      • Industrial Logger<\/b>: Continuous vibration and temperature logging with ADC window comparator waking CPU only on threshold violation, FRAM endurance eliminating write-cycle budgeting<\/li>
      • Secure IoT Edge<\/b>: AES-256 encryption for wireless sensor data with IP encapsulation protecting firmware IP from reverse engineering<\/li><\/ul>","alternative_models":"
        Model<\/th>Brand<\/th>FRAM<\/th>LEA<\/th>Package<\/th><\/tr>
        MSP430FR5994IPNR<\/td>TI<\/td>256 KB<\/td>Yes<\/td>LQFP-80<\/td><\/tr>
        MSP430FR5989IPMR<\/td>TI<\/td>256 KB<\/td>No<\/td>LQFP-64<\/td><\/tr>
        MSP430FR6989IPMR<\/td>TI<\/td>128 KB<\/td>No<\/td>LQFP-80<\/td><\/tr>
        STM32L476RGT6<\/td>ST<\/td>1MB Flash<\/td>No<\/td>LQFP-64<\/td><\/tr>
        SAMR34J18B-MZT<\/td>Microchip<\/td>256KB Flash<\/td>No<\/td>QFN-48<\/td><\/tr><\/table>"},"_links":{"self":[{"href":"https:\/\/materialparts.com\/ar\/wp-json\/wp\/v2\/posts\/8521","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/materialparts.com\/ar\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/materialparts.com\/ar\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/materialparts.com\/ar\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/materialparts.com\/ar\/wp-json\/wp\/v2\/comments?post=8521"}],"version-history":[{"count":1,"href":"https:\/\/materialparts.com\/ar\/wp-json\/wp\/v2\/posts\/8521\/revisions"}],"predecessor-version":[{"id":8522,"href":"https:\/\/materialparts.com\/ar\/wp-json\/wp\/v2\/posts\/8521\/revisions\/8522"}],"wp:attachment":[{"href":"https:\/\/materialparts.com\/ar\/wp-json\/wp\/v2\/media?parent=8521"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/materialparts.com\/ar\/wp-json\/wp\/v2\/categories?post=8521"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/materialparts.com\/ar\/wp-json\/wp\/v2\/tags?post=8521"},{"taxonomy":"chip_brand","embeddable":true,"href":"https:\/\/materialparts.com\/ar\/wp-json\/wp\/v2\/chip_brand?post=8521"}],"curies":[{"name":"\u062f\u0628\u0644\u064a\u0648 \u0628\u064a","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}