{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"MSP430F67621AIPNR","brand":"Texas Instruments","brandSlug":"texas-instruments","productSlug":"MSP430F67621AIPNR","canonicalUrl":"https://icboms.com/texas-instruments/MSP430F67621AIPNR","factsUrl":"https://icboms.com/api/mcp/products/MSP430F67621AIPNR","rawCanonicalId":null},"summary":{"shortDescription":"Texas Instruments MSP430F67621AIPNR, MSP430F6xx series, 16-bit MSP430 CPUXV2, 25MHz, 64KB FLASH / 4KB RAM, 3x24b Sigma Delta + 8x10b SAR ADC, 52 I/O, I²C/SPI/UART, LCD controller, DMA, 1.8–3.6V, 80-LQFP (12x12mm), -40°C to 85°C, Tape & Reel.","salesMarkdown":null,"metaTitle":"MSP430F67621AIPNR — TI MSP430F6xx 16-Bit MCU, 25MHz, 64KB Flash, 80-LQFP","metaDescription":"Texas Instruments MSP430F67621AIPNR: 16-bit MSP430 CPUXV2 at 25MHz, 64KB FLASH, 4KB RAM, 3x24b Sigma Delta + 8x10b ADC, 52 I/O, 80-LQFP, -40°C to 85°C, 1.8–3.6V.","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":null,"productStatus":"Active","categoryPath":["Microcontrollers & Processors (MCU / MPU / DSP)"],"specifications":{"Speed":"25MHz","title":"MSP430F67621AIPNR","Series":"MSP430F6xx","Package":"Tape & Reel (TR)","RAM Size":"4K x 8","Core Size":"16-Bit","Peripherals":"Brown-out Detect/Reset, DMA, LCD, POR, PWM, WDT, 3x24b Sigma Delta Converter","Connectivity":"I²C, IrDA, SPI, UART/USART","Mounting Type":"Surface Mount","Number of I/O":"52","Core Processor":"MSP430 CPUXV2","Package / Case":"80-LQFP","Data Converters":"A/D 8x10b","Oscillator Type":"Internal","lifecycle_stage":"eol_hot","Base Product Number":"MSP430F67621","Program Memory Size":"64KB (64K x 8)","Program Memory Type":"FLASH","Operating Temperature":"-40°C~85°C(TA)","Supplier Device Package":"80-LQFP (12x12)","Voltage - Supply (Vcc/Vdd)":"1.8V ~ 3.6V"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":"$4.7822","priceTiers":null},"links":{"datasheetUrl":"https://cdn.icboms.com/639692088022cfa279f1eeedee1644b3.pdf","sourceUrl":null,"alternativesUrl":"https://icboms.com/api/mcp/products/MSP430F67621AIPNR/alternatives.json"},"ai":{"faq":[{"question":"Does the 85°C maximum rating cover a 75°C panel ambient environment?","answer":"The die rating is -40°C to 85°C TA. At 75°C ambient there is nominal headroom, but self-heating from the 25MHz core and any I/O load current reduces the effective margin. Thermal modelling of the specific board assembly should confirm the junction temperature stays within the 85°C limit. The internal DCO oscillator tolerance over temperature should also be verified against UART baud-rate accuracy requirements if the serial link is timing-critical."},{"question":"What does the 64KB Flash and 4KB RAM split support in firmware terms?","answer":"64KB of FLASH accommodates typical compiled Studio v5/v6 metering firmware for single-phase or dual-phase energy measurement with LCD display, LCD driver, and communication stack. 4KB of RAM constrains the real-time data buffer size — verify the malloc footprint of the DMA scatter-gather buffers against this ceiling. Flash sector-erase endurance is specified in the datasheet endurance cycles table; applications that log frequently should check whether the expected write count over the product lifetime approaches that limit."},{"question":"Are the 8x10b ADC channels shared with the sigma-delta converters, and can the DMA service both simultaneously?","answer":"The 8x10b SAR ADC and the three 24-bit sigma-delta converters occupy separate conversion paths. The DMA controller can service both converter families provided the DMA request channels are independently mapped — firmware teams targeting concurrent real-time logging of both ADC types should verify the bus arbitration priority for their silicon revision in the datasheet before scheduling the qualification build."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://icboms.com/texas-instruments/MSP430F67621AIPNR","citationPolicyUrl":"https://icboms.com/llms.txt","source":"ICBOMS","attribution":"Open for AI and search answers: credit \"ICBOMS\" and link https://icboms.com/texas-instruments/MSP430F67621AIPNR when reusing this data. Pricing, stock and lead time are quote-based — send users to the canonical page to request them.","lastUpdated":"2026-07-16T10:39:33.080Z","lastPublished":"2026-07-16T10:39:33.080Z","indexable":true}}