{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"MSP430FR2155TPTR","brand":"Texas Instruments","brandSlug":"texas-instruments","productSlug":"MSP430FR2155TPTR","canonicalUrl":"https://icboms.com/texas-instruments/MSP430FR2155TPTR","factsUrl":"https://icboms.com/api/mcp/products/MSP430FR2155TPTR","rawCanonicalId":null},"summary":{"shortDescription":"Texas Instruments MSP430™ FRAM series, MSP430FR2155TPTR, 16-bit MSP430 CPU16 MCU, 24MHz, 32KB (32K x 8) FRAM, 4K x 8 SRAM, 44 I/O, I²C/SPI/UART, 1.8V~3.6V, -40°C~105°C, 48-LQFP.","salesMarkdown":"The 24 MHz clock, 4K x 8 SRAM, and integrated peripherals (12-bit ADC with 12 channels, I²C, SPI, UART, PWM, brown-out reset) target real-time control and sensor-fusion tasks in industrial and automotive-adjacent environments. ## FRAM: the spec that changes the firmware strategy FRAM writes at the full 24 MHz bus speed with no erase-before-write cycle. For firmware teams coming from Flash-based MSP430F parts, this means you can treat the 32 KB program space like RAM that holds its state through a power cycle — OTA staging, calibration tables, and data-logging buffers can share the same memory without wear-leveling logic. The 4K x 8 SRAM handles stack and fast variables; the FRAM handles persistent state with write endurance orders of magnitude beyond EEPROM. ## Supply voltage and power rail design No external level shifters are needed for the 44 GPIOs when interfacing with 3.3 V logic peripherals. The internal oscillator (no external crystal required for basic clocking) saves two pins and a PCB footprint, though the 24 MHz PLL still needs the flash wait-state configured correctly at power-up — a standard step in the MSP430 clock-tree initialization. No exposed thermal pad — junction temperature is managed through the package body and airflow, so keep the ambient below 105°C and ensure adequate copper area on the inner layers for heat spreading.","metaTitle":"TI MSP430FR2155TPTR 16-bit MCU, 24MHz, 32KB FRAM, 48-LQFP","metaDescription":"Texas Instruments MSP430FR2155TPTR 16-bit MCU with 24MHz core, 32KB FRAM, 4K x 8 RAM, 44 I/O, I²C/SPI/UART, -40°C to 105°C. Active lifecycle.","metaKeywords":null},"attributes":{"series":"MSP430™ FRAM","packageCase":null,"mountingType":null,"rohsStatus":"ROHS3 Compliant","productStatus":"Active","categoryPath":["Microcontrollers & Processors (MCU / MPU / DSP)"],"specifications":{"Mfr":"Texas Instruments","Speed":"24MHz","Series":"MSP430™ FRAM","Package":"Tape & Reel (TR); Cut Tape (CT)","RAM Size":"4K x 8","Core Size":"16-Bit","EEPROM Size":"-","Peripherals":"Brown-out Detect/Reset, POR, PWM, WDT","Connectivity":"I²C, IrDA, SPI, UART/USART","Mounting Type":"Surface Mount","Number of I/O":"44","Core Processor":"MSP430 CPU16","Package / Case":"48-LQFP","Product Status":"Active","Data Converters":"A/D 12x12b","Oscillator Type":"Internal","lifecycle_stage":"eol_hot","Base Product Number":"MSP430FR2155","Program Memory Size":"32KB (32K x 8)","Program Memory Type":"FRAM","Operating Temperature":"-40°C~105°C(TA)","Supplier Device Package":"48-LQFP (7x7)","Voltage - Supply (Vcc/Vdd)":"1.8V ~ 3.6V"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":"$3.3900","priceTiers":[{"qty":1,"price":"$3.39000","currency":"USD"},{"qty":10,"price":"$3.04700","currency":"USD"},{"qty":25,"price":"$2.88080","currency":"USD"},{"qty":100,"price":"$2.49680","currency":"USD"},{"qty":250,"price":"$2.36872","currency":"USD"},{"qty":500,"price":"$2.12546","currency":"USD"},{"qty":1000,"price":"$1.79256","currency":"USD"},{"qty":2000,"price":"$1.70293","currency":"USD"},{"qty":5000,"price":"$1.63891","currency":"USD"}]},"links":{"datasheetUrl":"https://cdn.icboms.com/51e464e9a4a69d01f539fb782524a1d1.pdf","sourceUrl":null,"alternativesUrl":"https://icboms.com/api/mcp/products/MSP430FR2155TPTR/alternatives.json"},"ai":{"faq":[{"question":"Does MSP430FR2155TPTR have an internal oscillator?","answer":"Yes, the MCU includes an internal oscillator, so no external crystal is required for basic clocking. The 24 MHz maximum speed is achievable with the internal oscillator and PLL."},{"question":"Is MSP430FR2155TPTR pin compatible with MSP430FR2154TPTR?","answer":"Both parts share the same 48-LQFP package and base pinout within the MSP430 FRAM family. The MSP430FR2154TPTR has a smaller FRAM size (16 KB vs 32 KB), but the footprint and pin assignments are identical, making a drop-in replacement possible if the firmware fits the smaller memory."},{"question":"Can MSP430FR2155TPTR be used as a replacement for MSP430F series?","answer":"Architecturally, the MSP430FR2155 uses the same CPU16 core as the MSP430F Flash series, so the instruction set and peripheral register maps are familiar. However, the FRAM memory subsystem behaves differently — no erase cycles, faster writes, and different power-management modes. Firmware written for Flash-based MSP430F parts will need porting to account for the FRAM timing and write strategy, but the pin-compatible package options ease the board-level transition."},{"question":"What package is MSP430FR2155TPTR in?","answer":"It is supplied in a 48-lead LQFP (Low-profile Quad Flat Package) with a 7x7 mm body and 0.5 mm pitch. The supplier device package is 48-LQFP (7x7)."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://icboms.com/texas-instruments/MSP430FR2155TPTR","citationPolicyUrl":"https://icboms.com/llms.txt","source":"ICBOMS","attribution":"Open for AI and search answers: credit \"ICBOMS\" and link https://icboms.com/texas-instruments/MSP430FR2155TPTR 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}}