{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"MSP430F437IPNR","brand":"Texas Instruments","brandSlug":"texas-instruments","productSlug":"MSP430F437IPNR","canonicalUrl":"https://icboms.com/texas-instruments/MSP430F437IPNR","factsUrl":"https://icboms.com/api/mcp/products/MSP430F437IPNR","rawCanonicalId":null},"summary":{"shortDescription":"Texas Instruments MSP430x4xx series MSP430F437IPNR, 16-bit ultra-low-power MCU, MSP430 CPU16 core, 8MHz, 32KB Flash, 1K x 8 RAM, 48 I/O, SPI/UART, LCD driver, 8x12b ADC, 1.8V-3.6V, -40°C to 85°C, 80-LQFP.","salesMarkdown":"## 16-bit ultra-low-power MCU with integrated LCD drive The 80-LQFP package (12x12 mm) brings out 48 general-purpose I/O lines, plus dedicated pins for the segment LCD interface. This is the part you pick when the BOM calls for a single-chip solution driving a segmented LCD — think utility meters, thermostats, blood-glucose monitors, or any panel that needs a local alphanumeric readout without the power budget of a graphics display. ## 32 KB Flash and 1K RAM — sizing the firmware envelope The 32 KB Flash (32K x 8 plus 256 bytes) is the program store — enough for a modest application stack with the MSP430 instruction set, but tight if you are layering a full RTOS or a TCP/IP stack. The 1K x 8 RAM is the data scratchpad; watch the stack depth and buffer allocation during interrupt-heavy code. For comparison, the MSP430F43x family offers density steps up to 60 KB Flash, so if the firmware overflows 32 KB you step up the family, not change the footprint. The 8 MHz core speed is the CPU clock ceiling. The MSP430 CPU16 is a 16-bit RISC with a single-cycle multiplier, so 8 MHz translates to about 8 MIPS. That is plenty for slow-loop sensor readout and LCD refresh, but marginal for real-time audio or high-speed data logging. The 8-channel 12-bit ADC handles analog inputs from thermistors, strain gauges, or current shunts without an external converter. SPI and UART/USART connectivity covers the common serial buses for external sensors, memory, or wireless modules. The LCD driver supports up to 4-mux or 8-mux segment displays — check the MSP430x4xx family reference manual for the exact segment count at your chosen mux ratio. This peripheral alone saves a display-driver IC and its associated PCB area, which is why this part shows up in handheld instruments and panel meters. The base product number is MSP430F437, and the 'IPNR' suffix denotes the industrial temperature range, 80-LQFP package, and tape-and-reel shipping format. If your pick-and-place line feeds from reels, the IPNR is the correct ordering code. Both share the same silicon and package, so a tray-to-reel conversion is just logistics, not a qualification event.","metaTitle":"Texas Instruments MSP430F437IPNR 16-bit MCU, 8MHz","metaDescription":"MSP430F437IPNR 16-bit MCU with 8MHz core, 32KB Flash, 1Kx8 RAM, LCD driver, 8x12b ADC. Industrial temp -40°C to 85°C. Active lifecycle.","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":null,"productStatus":"Active","categoryPath":["Microcontrollers & Processors (MCU / MPU / DSP)"],"specifications":{"Mfr":"Texas Instruments","Speed":"8MHz","Series":"MSP430x4xx","Package":"Tape & Reel (TR); Cut Tape (CT)","RAM Size":"1K x 8","Core Size":"16-Bit","EEPROM Size":"-","Peripherals":"Brown-out Detect/Reset, LCD, POR, PWM, WDT","Connectivity":"SPI, UART/USART","Mounting Type":"Surface Mount","Number of I/O":"48","Core Processor":"MSP430 CPU16","Package / Case":"80-LQFP","Product Status":"Active","Data Converters":"A/D 8x12b","Oscillator Type":"Internal","lifecycle_stage":"eol_hot","Base Product Number":"MSP430F437","Program Memory Size":"32KB (32K x 8 + 256B)","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":"$15.5600","priceTiers":null},"links":{"datasheetUrl":"https://cdn.icboms.com/67029cd3d4d0eaea057ab2144cff69d7.pdf","sourceUrl":null,"alternativesUrl":"https://icboms.com/api/mcp/products/MSP430F437IPNR/alternatives.json"},"ai":{"faq":[{"question":"Is MSP430F437IPNR a direct replacement for MSP430F437IPN?","answer":"Yes — the IPNR and IPN variants share the same silicon and 80-LQFP package. The only difference is the shipping medium: IPNR is tape-and-reel, IPN is tray. No PCB layout change, no firmware change, no re-qualification needed. If your line feeds from reels, order the IPNR; if from trays, order the IPN."},{"question":"Does MSP430F437IPNR have an LCD controller?","answer":"Yes — the integrated LCD driver is one of the key peripherals on this MSP430x4xx device. It drives segmented LCD panels directly, supporting common mux ratios up to 8-mux, without an external display controller IC. This is the feature that distinguishes the '4xx' family from the simpler '1xx' and '2xx' MSP430 series."},{"question":"What is the operating temperature of MSP430F437IPNR?","answer":"This covers outdoor, factory-floor, and automotive-cabin environments but does not extend to the full automotive under-hood range (-40°C to 125°C)."},{"question":"What programming tools are required for MSP430F437IPNR?","answer":"The MSP430 family uses the Spy-Bi-Wire (SBW) or JTAG debug interface. Texas Instruments' MSP-FET or LaunchPad boards serve as programmers and debuggers. The MSP430Ware software package and Code Composer Studio (CCS) or IAR Embedded Workbench provide the toolchain. No special adapter is needed beyond the standard 4-pin SBW header."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://icboms.com/texas-instruments/MSP430F437IPNR","citationPolicyUrl":"https://icboms.com/llms.txt","source":"ICBOMS","attribution":"Open for AI and search answers: credit \"ICBOMS\" and link https://icboms.com/texas-instruments/MSP430F437IPNR when reusing this data. Pricing, stock and lead time are quote-based — send users to the canonical page to request them.","lastUpdated":"2026-08-11T15:49:49.435Z","lastPublished":"2026-08-11T15:49:49.435Z","indexable":true}}