{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"MSP430F1222IRHBR","brand":"Texas Instruments","brandSlug":"texas-instruments","productSlug":"MSP430F1222IRHBR","canonicalUrl":"https://icboms.com/texas-instruments/MSP430F1222IRHBR","factsUrl":"https://icboms.com/api/mcp/products/MSP430F1222IRHBR","rawCanonicalId":null},"summary":{"shortDescription":"Texas Instruments MSP430x1xx series, 16-bit MSP430 CPU16 microcontroller, MSP430F1222IRHBR, 8MHz core, 4KB Flash, 256B RAM, 22 I/O, 8x10b ADC, SPI/UART, 1.8-3.6V, 32-VFQFN (5x5), -40 to 85°C, Tape & Reel.","salesMarkdown":"## Memory and peripheral budget — what fits in 4 KB Flash and 256 B RAM The MSP430F1222IRHBR packs 4 KB of program Flash and 256 bytes of RAM. For a battery-powered sensor node running a polling loop with a 10-bit ADC reading and a UART output, the firmware footprint typically lands under 2 KB, leaving room for a small scheduler or state machine. The 256 B RAM, however, limits buffered data to a few hundred samples — a data logger streaming at 1 kHz would overflow in under a second without external SRAM. The 8-channel 10-bit ADC reads analog signals at 0.1% resolution — adequate for temperature, pressure, or current-sense inputs where 10 mV per LSB at a 2.5 V reference is acceptable. Higher-resolution applications (e.g., load-cell bridges) would need an external 16-bit ADC or a move to the MSP430F2xxx family with a 12-bit ADC. ## Supply and temperature — runs on a coin cell, lives on the factory floor The brown-out detect resets the core when the supply dips below the threshold, preventing corrupt Flash writes during battery drop-out. No derating is needed for ambient operation up to 85°C, though the 8 MHz core speed may require a wait-state at the high end if the Flash access time exceeds the cycle budget. ## Package and board integration — 32-VFQFN with exposed pad The 0.5 mm pitch QFN demands a solder-paste stencil with 0.25 mm apertures and a reflow profile that avoids tombstoning on the corner pins. All 22 I/O pins are brought out to the package periphery — no hidden balls. The SPI and UART/USART pins share the same port pins as general-purpose I/O, so a board spin that reassigns the serial interface to a different pin pair requires a firmware change but no PCB re-layout. ## Active lifecycle — no end-of-life risk for new designs The part is suitable for both new product introductions and production replenishment. The base product number MSP430F1222 shares the same die and peripheral set across the QFN and TSSOP package variants, so a package migration (e.g., to the 28-TSSOP) is possible without firmware changes if board space allows.","metaTitle":"TI MSP430F1222IRHBR 16-bit MCU, 8MHz, 4KB Flash, 32-VQFN","metaDescription":"Texas Instruments MSP430F1222IRHBR 16-bit MCU, 8MHz core, 4KB Flash, 256B RAM, 8ch 10-bit ADC, SPI/UART, 1.8-3.6V, -40 to 85°C, 32-VQFN.","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":"MSP430x1xx","Package":"Tape & Reel (TR)","RAM Size":"256 x 8","Core Size":"16-Bit","EEPROM Size":"-","Peripherals":"Brown-out Detect/Reset, POR, PWM, WDT","Connectivity":"SPI, UART/USART","Mounting Type":"Surface Mount","Number of I/O":"22","Core Processor":"MSP430 CPU16","Package / Case":"32-VFQFN Exposed Pad","Product Status":"Active","Data Converters":"A/D 8x10b","Oscillator Type":"Internal","lifecycle_stage":"eol_hot","Base Product Number":"MSP430F1222","Program Memory Size":"4KB (4K x 8 + 256B)","Program Memory Type":"FLASH","Operating Temperature":"-40°C~85°C(TA)","Supplier Device Package":"32-VQFN (5x5)","Voltage - Supply (Vcc/Vdd)":"1.8V ~ 3.6V"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":"$3.2750","priceTiers":null},"links":{"datasheetUrl":"https://cdn.icboms.com/735cc391d6bb2b0caad8c045b8041994.pdf","sourceUrl":null,"alternativesUrl":"https://icboms.com/api/mcp/products/MSP430F1222IRHBR/alternatives.json"},"ai":{"faq":[{"question":"What is the closest pin-compatible alternative to MSP430F1222IRHBR in this MSP430x1xx family?","answer":"The MSP430F1222IRHBR is the 4 KB Flash variant in the 32-VFQFN package. The MSP430F1232 (8 KB Flash, same pinout) and MSP430F1122 (4 KB Flash, 20-pin TSSOP) are in the same MSP430x1xx family but differ in memory or package. No direct pin-compatible drop-in with identical memory and package is listed as an official second-source; confirm the BOM position before substituting."},{"question":"What compliance documentation does Texas Instruments provide for MSP430F1222IRHBR?","answer":"Texas Instruments provides RoHS and REACH compliance declarations for this part. The 32-VFQFN package is lead-free and compatible with standard reflow profiles. No UL or IEC certification is listed for this MCU; those standards typically apply to end-equipment rather than the IC itself."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://icboms.com/texas-instruments/MSP430F1222IRHBR","citationPolicyUrl":"https://icboms.com/llms.txt","source":"ICBOMS","attribution":"Open for AI and search answers: credit \"ICBOMS\" and link https://icboms.com/texas-instruments/MSP430F1222IRHBR 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}}