{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"LPC2939FBD208,551","brand":"NXP USA Inc.","brandSlug":"nxp-usa-inc","productSlug":"LPC2939FBD208~6551","canonicalUrl":"https://icboms.com/nxp-usa-inc/LPC2939FBD208~6551","factsUrl":"https://icboms.com/api/mcp/products/LPC2939FBD208%2C551","rawCanonicalId":null},"summary":{"shortDescription":"NXP LPC2900 series ARM9® MCU, LPC2939FBD208,551, 16/32-Bit core, 125 MHz, 768 KB Flash, 56K x 8 RAM, 16K x 8 EEPROM, USB OTG, CAN, 152 I/O, 208-LQFP, -40 to 85 °C.","salesMarkdown":"## ARM9 MCU with USB OTG and CAN — what this part delivers The NXP LPC2939FBD208,551 is a 16/32-bit ARM9 microcontroller running at 125 MHz, with 768 KB of on-chip Flash, 56 KB of RAM, and 16 KB of EEPROM. The 208-LQFP package (28x28 mm) provides 152 general-purpose I/O, making it suitable for industrial control, motor drive, and communication gateway applications where a single-chip ARM9 core with both USB host/device and CAN is needed. ## 125 MHz ARM9 — timing and throughput The 125 MHz core speed positions this part in the mid-range ARM9 tier — enough for protocol bridging, sensor fusion, or HMI control loops, but not for high-rate video or DSP workloads. The 768 KB Flash is sized for moderate firmware images with room for a bootloader and application code; the 56 KB RAM handles typical stack and buffer needs for CAN and USB stacks without external memory, though the EBI/EMI interface allows expansion if needed. ## NRND — sourcing reality for this MCU NXP has designated the LPC2939FBD208,551 as Not Recommended for New Design (NRND). No last-time-buy window is specified in the evidence; procurement teams should evaluate long-term supply risk and consider qualifying a replacement if the design is still in early production. The 208-LQFP package (28x28 mm) is a standard fine-pitch surface-mount footprint. Verify the moisture sensitivity level on the part label before reflow.","metaTitle":"NXP LPC2939FBD208,551 ARM9 MCU, 125 MHz, 768 KB Flash, NRND","metaDescription":"NXP LPC2939FBD208,551 ARM9 MCU, 125 MHz, 768 KB Flash, 56 KB RAM, USB OTG, -40 to 85 °C, 208-LQFP. NRND — sourced to order against RFQ.","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":null,"productStatus":"NRND","categoryPath":["Microcontrollers & Processors (MCU / MPU / DSP)"],"specifications":{"Mfr":"NXP USA Inc.","Speed":"125MHz","Series":"LPC2900","Package":"Tray","RAM Size":"56K x 8","Core Size":"16/32-Bit","EEPROM Size":"16K x 8","Peripherals":"DMA, POR, PWM, WDT","Connectivity":"CANbus, EBI/EMI, I²C, LINbus, SPI, UART/USART, USB, USB OTG","Mounting Type":"Surface Mount","Number of I/O":"152","Core Processor":"ARM9®","Package / Case":"208-LQFP","Product Status":"Not For New Designs","Data Converters":"A/D 24x10b","Oscillator Type":"Internal","lifecycle_stage":"unknown","Base Product Number":"LPC2939","Program Memory Size":"768KB (768K x 8)","Program Memory Type":"FLASH","Operating Temperature":"-40°C~85°C(TA)","Supplier Device Package":"208-LQFP (28x28)","Voltage - Supply (Vcc/Vdd)":"1.71V ~ 3.6V"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":"$23.6806","priceTiers":null},"links":{"datasheetUrl":"https://cdn.icboms.com/c2df03c62bc6ec674742d774925480de.pdf","sourceUrl":null,"alternativesUrl":"https://icboms.com/api/mcp/products/LPC2939FBD208%2C551/alternatives.json"},"ai":{"faq":[{"question":"What is the exact replacement for LPC2939FBD208?","answer":"No official successor order code is listed in the lifecycle record. The LPC2939FBD208,551 is NRND with no direct pin-compatible replacement specified by NXP. For dual-sourcing or long-term supply, evaluate other ARM9 MCUs in the LPC2900 series or consider a migration to a current NXP ARM9 or Cortex-M family part — but no drop-in substitute is documented."},{"question":"Does LPC2939FBD208 support USB OTG?","answer":"Yes, the connectivity list includes USB OTG alongside USB, CAN, I²C, SPI, UART, and LIN."},{"question":"What is the lifecycle status of LPC2939FBD208?","answer":"The lifecycle status is NRND (Not Recommended for New Design)."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://icboms.com/nxp-usa-inc/LPC2939FBD208~6551","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/LPC2939FBD208~6551 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}}