{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"MSP430G2102IRSA16R","brand":"Texas Instruments","brandSlug":"texas-instruments","productSlug":"MSP430G2102IRSA16R","canonicalUrl":"https://icboms.com/texas-instruments/MSP430G2102IRSA16R","factsUrl":"https://icboms.com/api/mcp/products/MSP430G2102IRSA16R","rawCanonicalId":null},"summary":{"shortDescription":"Texas Instruments MSP430G2xx series 16-bit MCU, MSP430 CPU16 core, 16MHz, 1KB (1K x 8) FLASH, 128 x 8 RAM, 10 I/O, I²C/SPI/USI, 1.8V~3.6V, -40°C~85°C, 16-VQFN Exposed Pad, 16-QFN (4x4).","salesMarkdown":"The MSP430G2102IRSA16R runs at 16 MHz and carries 1 KB of program Flash with 128 bytes of RAM. The 16 MHz clock rate is the ceiling for this MSP430 derivative. Combined with the 16-bit RISC architecture, it delivers enough throughput for periodic sensor reads, serial communication at standard I²C/SPI rates, and simple PWM generation. It is not a part for heavy number-crunching or high-speed data logging — the 128-byte RAM would fill quickly in those roles. ## 1 KB Flash and 128 B RAM — sizing the firmware With 1 KB of program Flash and 128 bytes of RAM, the firmware must be tight. Typical fits include a single sensor read and transmit cycle, a button-debounce state machine, or a simple timer-based wake-and-send routine. There is no room for a full RTOS or a large lookup table. The Flash is field-reprogrammable, which helps during development, but the memory budget is the hard constraint. The MSP430G2102IRSA16R carries an official lifecycle status of Obsolete.","metaTitle":"TI MSP430G2102IRSA16R 16-bit MCU, 16MHz, 1KB Flash, 128B RAM","metaDescription":"Texas Instruments MSP430G2102IRSA16R 16-bit MCU with 16MHz core, 1KB Flash, 128B RAM, 10 I/O, I²C/SPI, -40°C to 85°C. Request quote.","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":null,"productStatus":"Obsolete","categoryPath":["Microcontrollers & Processors (MCU / MPU / DSP)"],"specifications":{"Mfr":"Texas Instruments","Speed":"16MHz","Series":"MSP430G2xx","Package":"Tape & Reel (TR); Cut Tape (CT)","RAM Size":"128 x 8","Core Size":"16-Bit","EEPROM Size":"-","Peripherals":"Brown-out Detect/Reset, DMA, POR, PWM, WDT","Connectivity":"I²C, SPI, USI","Mounting Type":"Surface Mount","Number of I/O":"10","Core Processor":"MSP430 CPU16","Package / Case":"16-VQFN Exposed Pad","Product Status":"Obsolete","Data Converters":"-","Oscillator Type":"Internal","lifecycle_stage":"eol_hot","Base Product Number":"MSP430G2102","Program Memory Size":"1KB (1K x 8)","Program Memory Type":"FLASH","Operating Temperature":"-40°C~85°C(TA)","Supplier Device Package":"16-QFN (4x4)","Voltage - Supply (Vcc/Vdd)":"1.8V ~ 3.6V"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":"$1.8100","priceTiers":null},"links":{"datasheetUrl":"https://cdn.icboms.com/ae1a7964ac66c57fe2ee68eff82fe433.pdf","sourceUrl":null,"alternativesUrl":"https://icboms.com/api/mcp/products/MSP430G2102IRSA16R/alternatives.json"},"ai":{"faq":[{"question":"What is the replacement for MSP430G2102IRSA16R?","answer":"For a pin-compatible alternative within the MSP430G2xx family, a design review comparing memory size, peripheral set, and package is recommended — the 1 KB Flash and 128 B RAM footprint is the tightest in the series, so a migration typically steps up to a higher-density sibling."},{"question":"Can MSP430G2102IRSA16R be used with 3.3V?","answer":"Yes. No level shifting is needed on the supply side."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://icboms.com/texas-instruments/MSP430G2102IRSA16R","citationPolicyUrl":"https://icboms.com/llms.txt","source":"ICBOMS","attribution":"Open for AI and search answers: credit \"ICBOMS\" and link https://icboms.com/texas-instruments/MSP430G2102IRSA16R when reusing this data. Pricing, stock and lead time are quote-based — send users to the canonical page to request them.","lastUpdated":"2026-07-22T18:03:28.771Z","lastPublished":"2026-07-22T18:03:28.771Z","indexable":true}}