{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"MSP430FR5947IDAR","brand":"Texas Instruments","brandSlug":"texas-instruments","productSlug":"MSP430FR5947IDAR","canonicalUrl":"https://icboms.com/texas-instruments/MSP430FR5947IDAR","factsUrl":"https://icboms.com/api/mcp/products/MSP430FR5947IDAR","rawCanonicalId":null},"summary":{"shortDescription":"Texas Instruments MSP430FR5947IDAR, 16-bit MSP430 CPUXV2 MCU, 32KB FRAM, 1K x 8 SRAM, 16MHz, 31 I/O, 12x12b ADC, I²C/SPI/UART/IrDA, 1.8V-3.6V, -40°C to 85°C, 38-TSSOP.","salesMarkdown":"## FRAM memory — the real differentiator in this MSP430 FRAM writes at bus speed with no erase penalty, draws negligible write current, and retains data through 10^15 cycles — orders of magnitude beyond EEPROM or flash endurance. For a firmware engineer, that means you can treat the code space as a unified memory pool: store calibration constants, data logs, or OTA staging buffers right alongside the executable image without wear-leveling or sector-erase delays. ## 16 MHz CPU — enough for the control loop, not for heavy DSP The 16 MHz clock ceiling is typical for the MSP430 FRAM series — it delivers about 16 MIPS, which is comfortable for sensor polling, PID loops, communication protocol handling, and real-time event response. It will not run floating-point audio processing or video; the part is sized for the battery-powered edge node that wakes, reads a sensor, logs a result, and goes back to sleep. The internal oscillator means no external crystal is required for many applications, saving two pins and a few cents on the BOM. ## Peripherals and I/O — what you get on 31 pins The DMA engine offloads data transfers between ADC and FRAM without CPU intervention, which keeps the core asleep longer. The 1 K x 8 RAM is small — it is meant for stack and temporary variables, not large buffers; persistent data lives in FRAM.","metaTitle":"MSP430FR5947IDAR 16-bit MCU, 32KB FRAM, 16MHz, 38-TSSOP","metaDescription":"Texas Instruments MSP430FR5947IDAR 16-bit MCU with 32KB FRAM, 16MHz CPU, 1Kx8 RAM, 31 I/O, 12x12b ADC, -40°C to 85°C, 1.8V-3.6V. Active production.","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":null,"productStatus":"Active","categoryPath":["Microcontrollers & Processors (MCU / MPU / DSP)"],"specifications":{"Mfr":"Texas Instruments","Speed":"16MHz","Series":"MSP430™ FRAM","Package":"Tape & Reel (TR)","RAM Size":"1K x 8","Core Size":"16-Bit","EEPROM Size":"-","Peripherals":"Brown-out Detect/Reset, DMA, POR, PWM, WDT","Connectivity":"I²C, IrDA, SCI, SPI, UART/USART","Mounting Type":"Surface Mount","Number of I/O":"31","Core Processor":"MSP430 CPUXV2","Package / Case":"38-TSSOP (0.240\\\", 6.10mm Width)","Product Status":"Active","Data Converters":"A/D 12x12b","Oscillator Type":"Internal","lifecycle_stage":"eol_hot","Base Product Number":"MSP430FR5947","Program Memory Size":"32KB (32K x 8)","Program Memory Type":"FRAM","Operating Temperature":"-40°C~85°C(TA)","Supplier Device Package":"38-TSSOP","Voltage - Supply (Vcc/Vdd)":"1.8V ~ 3.6V"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":"$2.4131","stockQuantity":0,"priceTiers":null},"links":{"datasheetUrl":"https://cdn.icboms.com/8b4ff231ab172f4b122f04a9e54765b3.pdf","sourceUrl":null},"ai":{"faq":[{"question":"What is the closest pin-compatible alternative to MSP430FR5947IDAR in this component family?","answer":"Within the MSP430 FRAM series, the MSP430FR5947IDAR is the 32 KB FRAM variant in the 38-TSSOP package. Pin-compatible siblings with different memory densities exist in the same package footprint — the base product number MSP430FR5947 identifies the family. For a specific alternate, check the TI MSP430 FRAM selection guide for the density and peripheral set your application requires."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://icboms.com/texas-instruments/MSP430FR5947IDAR","citationPolicyUrl":"https://icboms.com/llms.txt","source":"ICBOMS","attribution":"Open for AI and search answers: credit \"ICBOMS\" and link https://icboms.com/texas-instruments/MSP430FR5947IDAR when reusing this data. Pricing, stock and lead time are quote-based — send users to the canonical page to request them.","lastUpdated":"2026-07-17T19:50:00.618Z","lastPublished":"2026-07-17T19:50:00.618Z","indexable":true}}