{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"MSP430F46171IPZR","brand":"Texas Instruments","brandSlug":"texas-instruments","productSlug":"MSP430F46171IPZR","canonicalUrl":"https://icboms.com/texas-instruments/MSP430F46171IPZR","factsUrl":"https://icboms.com/api/mcp/products/MSP430F46171IPZR","rawCanonicalId":null},"summary":{"shortDescription":"Texas Instruments MSP430x4xx 16-bit MCU, MSP430F46171IPZR, 8MHz core, 92KB (92K x 8 + 256B) FLASH, 8K x 8 RAM, 80 I/O, I²C/SPI/UART, LCD driver, DMA, 100-LQFP, -40°C~85°C.","salesMarkdown":"## What this 16-bit MCU brings to a mixed-signal sensor node The on-chip LCD driver and DMA controller let it refresh a segmented LCD without stealing CPU cycles, which is why this part shows up in utility meters, portable medical monitors, and industrial panel indicators. The 80 general-purpose I/O lines give plenty of headroom for keypad scanning, external sensor interrupts, and parallel LCD data buses. ## Memory and peripheral budget — what fits, what doesn't 92 KB of Flash is generous for a 16-bit ultra-low-power MCU. A typical firmware image with a real-time operating system, a Modbus RTU stack, and a segmented LCD driver fits in about 48–64 KB, leaving room for field-upgrade staging. The 8 KB RAM is the tighter resource: a 128×64 pixel frame buffer at 1 bpp takes 1 KB, and a moderate-size sensor data log at 2-byte samples eats the rest quickly. Plan to use the DMA for block transfers to the LCD controller to keep the CPU free for math. The integrated peripherals — brown-out detect, POR, PWM, and watchdog — reduce external BOM count. The brown-out reset is critical for battery-powered designs where a dying cell could corrupt the Flash write sequence. 8 MHz is the core speed, not the peripheral clock. The internal oscillator means no external crystal is needed for the CPU, but the UART baud-rate generator and the PWM timer resolution depend on the same clock tree. At 8 MHz, a 16-bit timer gives you 8.192 ms before overflow at 1:1 prescale — fine for a 100 Hz sensor readout, but you'll need a prescaler or a second timer for a 1-second heartbeat. The SCI and UART modules can generate standard baud rates up to 115200 without issue. ## Package and temperature grade — board-level fit Housed in a 100-pin LQFP with a 14×14 mm body (0.5 mm pitch), it's a standard QFP footprint that routes easily on a two-layer board.","metaTitle":"Texas Instruments MSP430F46171IPZR 16-bit MCU, 8 MHz","metaDescription":"MSP430F46171IPZR 16-bit MCU with 8 MHz core, 92 KB Flash, 8 KB RAM, LCD driver, DMA, industrial temp -40°C to 85°C. Active product, available to order.","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":"8K x 8","Core Size":"16-Bit","EEPROM Size":"-","Peripherals":"Brown-out Detect/Reset, DMA, LCD, POR, PWM, WDT","Connectivity":"I²C, IrDA, SCI, SPI, UART/USART","Mounting Type":"Surface Mount","Number of I/O":"80","Core Processor":"MSP430 CPUX","Package / Case":"100-LQFP","Product Status":"Active","Data Converters":"-","Oscillator Type":"Internal","lifecycle_stage":"eol_hot","Base Product Number":"MSP430F46171","Program Memory Size":"92KB (92K x 8 + 256B)","Program Memory Type":"FLASH","Operating Temperature":"-40°C~85°C(TA)","Supplier Device Package":"100-LQFP (14x14)","Voltage - Supply (Vcc/Vdd)":"1.8V ~ 3.6V"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":"$10.0548","priceTiers":null},"links":{"datasheetUrl":"https://cdn.icboms.com/1fcea670b9343edbca2b2bc7659e99b7.pdf","sourceUrl":null,"alternativesUrl":"https://icboms.com/api/mcp/products/MSP430F46171IPZR/alternatives.json"},"ai":{"faq":[{"question":"Can MSP430F46171IPZR be programmed with a MSP430 LaunchPad?","answer":"Yes, the MSP430 LaunchPad's Spy-Bi-Wire (SBW) or JTAG interface can program this device through the standard 4-pin header, provided the target voltage matches the LaunchPad's 3.3 V rail."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://icboms.com/texas-instruments/MSP430F46171IPZR","citationPolicyUrl":"https://icboms.com/llms.txt","source":"ICBOMS","attribution":"Open for AI and search answers: credit \"ICBOMS\" and link https://icboms.com/texas-instruments/MSP430F46171IPZR 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}}