{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"LPC51U68JBD48E","brand":"NXP USA Inc.","brandSlug":"nxp-usa-inc","productSlug":"LPC51U68JBD48E","canonicalUrl":"https://icboms.com/nxp-usa-inc/LPC51U68JBD48E","factsUrl":"https://icboms.com/api/mcp/products/LPC51U68JBD48E","rawCanonicalId":null},"summary":{"shortDescription":"NXP LPC51U68JBD48E, ARM Cortex-M0+ 100 MHz, 256 KB Flash, 96 KB RAM, USB/Flexcomm, 37 GPIO, 12x12-bit ADC, -40 to 105 °C, 48-LQFP (7x7 mm) tray.","salesMarkdown":"The NXP LPC51U68JBD48E is a 32-bit ARM Cortex-M0+ microcontroller clocked at 100 MHz, with 256 KB of Flash and 96 KB of RAM on a single-core die. That core speed is the highest you'll find in the Cortex-M0+ family — it handles USB packet processing and sensor fusion without stalling the control loop. The 96 KB RAM gives you headroom for a real-time OS heap and multiple data buffers, which matters when you're logging ADC readings or running a small TCP/IP stack over USB. The 48-LQFP package is surface-mount. The 7x7 mm body sits flat on the pad. ## Flexcomm serial engines and USB — routing flexibility The Flexcomm interface lets each serial engine be configured as I²C, SPI, or UART, so you can assign the protocol to the pins that suit your PCB layout. That saves a layer on the board when you need, say, two I²C buses and three UARTs on a mixed-signal design. The USB peripheral with on-chip PHY handles device-mode connections — think USB-to-sensor bridges or configurable HID interfaces. Twelve 12-bit ADC channels are integrated, enough for reading a three-phase current set plus voltage and temperature sensors without an external multiplexer. NXP lists the LPC51U68JBD48E as Active in its product portfolio. That means no last-time-buy notice on the horizon, no forced redesign for a replacement part. For a BOM freeze, this is the part you can commit to through the next production run without watching the PCN feed.","metaTitle":"NXP LPC51U68JBD48E ARM Cortex-M0+ MCU, 100 MHz","metaDescription":"NXP LPC51U68JBD48E 32-bit MCU: ARM Cortex-M0+ at 100 MHz, 256 KB Flash, 96 KB RAM, USB & Flexcomm, -40 to 105 °C, 48-LQFP. Active production, 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":"LPC51U68JBD48E","Series":"LPC51U","Package":"Tray","RAM Size":"96K x 8","Core Size":"32-Bit Single-Core","Peripherals":"Brown-out Detect/Reset, DMA, I²S, POR, PWM, WDT","Connectivity":"Flexcomm, I²C, SPI, UART/USART, USB","Mounting Type":"Surface Mount","Number of I/O":"37","Core Processor":"ARM® Cortex®-M0+","Package / Case":"48-LQFP","Data Converters":"A/D 12x12b","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/LPC51U68JBD48E/alternatives.json"},"ai":{"faq":[{"question":"What is LPC51U68JBD48E's core speed?","answer":"The ARM Cortex-M0+ core runs at 100 MHz, which is the maximum clock for this MCU family. That clock rate supports USB full-speed operation and real-time control loops without external memory wait states."},{"question":"What is the operating temperature range for LPC51U68JBD48E?","answer":"It is rated for -40 °C to 105 °C ambient, which covers industrial, automotive auxiliary, and outdoor telecom applications. No derating needed for most enclosure environments within that span."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://icboms.com/nxp-usa-inc/LPC51U68JBD48E","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/LPC51U68JBD48E when reusing this data. Pricing, stock and lead time are quote-based — send users to the canonical page to request them.","lastUpdated":"2026-07-16T10:39:33.080Z","lastPublished":"2026-07-16T10:39:33.080Z","indexable":true}}