{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"LPC11U34FHN33/421551","brand":"NXP USA Inc.","brandSlug":"nxp-usa-inc","productSlug":"LPC11U34FHN33-421551","canonicalUrl":"https://icboms.com/nxp-usa-inc/LPC11U34FHN33-421551","factsUrl":"https://icboms.com/api/mcp/products/LPC11U34FHN33%2F421551","rawCanonicalId":null},"summary":{"shortDescription":"NXP LPC11Uxx series 32-bit ARM Cortex-M0 MCU, 50 MHz, 48 KB Flash, 10 KB RAM, 4 KB EEPROM, USB 2.0, 26 I/O, -40°C to 85°C, 32-HVQFN package.","salesMarkdown":"## 50 MHz — what it buys you on the bus The LPC11U34FHN33/421551: 50 MHz core clock handles USB interrupt-driven bulk transfer alongside UART polling loop without dropping bytes. ## Memory map and field-update reality 48 KB Flash and 10 KB RAM partition for USB-capable MCU. 4 KB EEPROM separate array for calibration constants.","metaTitle":"NXP LPC11U34FHN33/421551 ARM Cortex-M0 MCU, 50 MHz","metaDescription":"NXP LPC11U34FHN33/421551 32-bit ARM Cortex-M0 MCU, 50 MHz, 48 KB Flash, 10 KB RAM, USB 2.0, -40°C to 85°C. Active lifecycle, available to order.","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":null,"productStatus":"Active","categoryPath":["Microcontrollers & Processors (MCU / MPU / DSP)"],"specifications":{"Mfr":"NXP USA Inc.","Speed":"50MHz","Series":"LPC11Uxx","Package":"Bulk","RAM Size":"10K x 8","Core Size":"32-Bit Single-Core","EEPROM Size":"4K x 8","Peripherals":"Brown-out Detect/Reset, POR, WDT","Connectivity":"I²C, Microwire, SmartCard, SPI, SSP, UART/USART, USB","Mounting Type":"Surface Mount","Number of I/O":"26","Core Processor":"ARM® Cortex®-M0","Package / Case":"32-VQFN Exposed Pad","Product Status":"Active","Data Converters":"A/D 8x10b","Oscillator Type":"Internal","lifecycle_stage":"unknown","Base Product Number":"LPC11","Program Memory Size":"48KB (48K x 8)","Program Memory Type":"FLASH","Operating Temperature":"-40°C~85°C(TA)","Supplier Device Package":"32-HVQFN (7x7)","Voltage - Supply (Vcc/Vdd)":"1.8V ~ 3.6V"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":null,"priceTiers":null},"links":{"datasheetUrl":"https://cdn.icboms.com/93709cfaae8a91106b72a74f37fd5e67.pdf","sourceUrl":null,"alternativesUrl":"https://icboms.com/api/mcp/products/LPC11U34FHN33%2F421551/alternatives.json"},"ai":{"faq":[{"question":"What is the closest pin-compatible alternative to LPC11U34FHN33/421551?","answer":"Within the LPC11Uxx family, pin-compatible variants with different Flash/RAM densities exist (e.g., LPC11U24 with 32 KB Flash, LPC11U37 with 64 KB Flash). The 32-HVQFN footprint is shared across the series, so a density swap is a firmware recompile, not a board respin."},{"question":"What is LPC11U34FHN33/421551's listed speed?","answer":"The core runs at 50 MHz, which is the maximum clock for this Cortex-M0 device."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://icboms.com/nxp-usa-inc/LPC11U34FHN33-421551","citationPolicyUrl":"https://icboms.com/llms.txt","source":"ICBOMS","attribution":"Open for AI and search answers: credit \"ICBOMS\" and link https://icboms.com/nxp-usa-inc/LPC11U34FHN33-421551 when reusing this data. Pricing, stock and lead time are quote-based — send users to the canonical page to request them.","lastUpdated":"2026-07-11T17:20:20.394Z","lastPublished":"2026-07-11T17:20:20.394Z","indexable":true}}