{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"LPC51U68JBD48K","brand":"NXP USA Inc.","brandSlug":"nxp-usa-inc","productSlug":"LPC51U68JBD48K","canonicalUrl":"https://icboms.com/nxp-usa-inc/LPC51U68JBD48K","factsUrl":"https://icboms.com/api/mcp/products/LPC51U68JBD48K","rawCanonicalId":null},"summary":{"shortDescription":"NXP LPC51U68JBD48K, 32-bit ARM Cortex-M0+ single-core MCU, 100MHz, 256KB FLASH, 96KB RAM, 32KB EEPROM, 37 I/O, 12x12b SAR ADC, USB 2.0 FS, USART/SPI/I2C, 1.62V–3.6V, -40°C to 105°C, 48-LQFP (7×7mm) tray.","salesMarkdown":"## 100 MHz Cortex-M0+ with on-chip EEPROM The NXP LPC51U68JBD48K is a 32-bit ARM Cortex-M0+ single-core MCU clocked at 100 MHz, with 256 KB of Flash program memory, 96 KB of RAM, and 32 KB of EEPROM on a single die. The 100 MHz core gives it enough headroom for real-time control loops and moderate data processing without pushing the bus to its limits — think sensor fusion, motor commutation, or protocol bridging. The part runs from a 1.62 V to 3.6 V supply and is rated for -40°C to 105°C, so it fits industrial enclosures, outdoor telecom cabinets, and automotive auxiliary modules where temperature swings are the norm. ## USB 2.0 Full-Speed and serial connectivity The LPC51U68JBD48K includes USB 2.0 Full-Speed device/host capability alongside USART, SPI, and I2C interfaces. This combination is useful for designs that need a USB link to a PC or Android device for data logging or firmware updates, while still talking to legacy sensor buses or industrial peripherals over the serial ports. ## 12-bit SAR ADC and internal oscillator A 12-channel 12-bit SAR ADC handles analog inputs like potentiometers, thermistors, or current-sense resistors. The internal oscillator means no external crystal is required for basic operation, though the part can accept an external clock if tighter timing accuracy is needed for the USB interface. Brown-out detect and reset, POR, PWM, WDT, and DMA peripherals are all on-chip, covering the usual watchdog and power-supervision needs without external glue.","metaTitle":"NXP LPC51U68JBD48K ARM Cortex-M0+ MCU, 100MHz, 256KB Flash","metaDescription":"NXP LPC51U68JBD48K 32-bit MCU: 100MHz Cortex-M0+, 256KB Flash, 96KB RAM, 32KB EEPROM, USB 2.0 FS, -40°C to 105°C, 48-LQFP. Active, available to order.","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":null,"productStatus":"Active","categoryPath":["Microcontrollers & Processors (MCU / MPU / DSP)"],"specifications":{"Speed":"100MHz","title":"LPC51U68JBD48K","Series":"LPC51U","Package":"Tray","RAM Size":"96K x 8","Core Size":"32-Bit Single-Core","EEPROM Size":"32K x 8","Peripherals":"Brown-out Detect/Reset, POR, PWM, WDT, DMA","Connectivity":"USART, SPIs, I2C, USB","Mounting Type":"Surface Mount","Number of I/O":"37","Core Processor":"ARM® Cortex®-M0+","Package / Case":"48-LQFP","Data Converters":"A/D 12x12b SAR","Oscillator Type":"Internal","Base Product Number":"LPC51U68","Program Memory Size":"256KB (256K x 8)","Program Memory Type":"FLASH","Operating Temperature":"-40°C~105°C(TA)","Supplier Device Package":"48-LQFP (7x7)","Voltage - Supply (Vcc/Vdd)":"1.62V ~ 3.6V"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":"$6.0500","priceTiers":null},"links":{"datasheetUrl":"https://cdn.icboms.com/30f47fe39e3d608a6776cc0e6daa126d.pdf","sourceUrl":null,"alternativesUrl":"https://icboms.com/api/mcp/products/LPC51U68JBD48K/alternatives.json"},"ai":{"faq":[{"question":"Can LPC51U68JBD48K be used in applications requiring USB 2.0 Full-Speed and EEPROM emulation?","answer":"Yes. The LPC51U68JBD48K integrates USB 2.0 Full-Speed device/host controller and 32 KB of on-chip EEPROM, so it can handle USB connectivity and store calibration data, configuration parameters, or small lookup tables without an external EEPROM."},{"question":"Is LPC51U68JBD48K compatible with LPC51U68JBD64?","answer":"The LPC51U68JBD48K is a 48-pin LQFP variant of the LPC51U68 family; the LPC51U68JBD64 is a 64-pin LQFP version. The 64-pin part offers more I/O and possibly additional peripherals, but the core, memory, and USB block are the same. They are not pin-compatible due to the different pin counts, so a PCB redesign is required to swap between them."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://icboms.com/nxp-usa-inc/LPC51U68JBD48K","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/LPC51U68JBD48K 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}}