{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"LPC43S37JBD144551","brand":"NXP USA Inc.","brandSlug":"nxp-usa-inc","productSlug":"LPC43S37JBD144551","canonicalUrl":"https://icboms.com/nxp-usa-inc/LPC43S37JBD144551","factsUrl":"https://icboms.com/api/mcp/products/LPC43S37JBD144551","rawCanonicalId":null},"summary":{"shortDescription":"NXP LPC43xx series LPC43S37JBD144551, 32-Bit Dual-Core ARM Cortex-M4/M0 MCU, 204MHz, 1MB Flash, 136K x 8 RAM, 83 I/O, Ethernet, USB OTG, CAN, 2.2V-3.6V, -40°C to 105°C, 144-LQFP.","salesMarkdown":"## Dual-core architecture for mixed-tasking control The NXP LPC43S37JBD144551 pairs an ARM Cortex-M4 for number-crunching and signal processing with a Cortex-M0 for real-time I/O housekeeping, both running at 204 MHz. The M4 handles the control loop and protocol stack while the M0 offloads bit-banged interfaces or periodic sensor polling — no interrupt jitter on the main core. 1 MB of Flash holds a dual-image bootloader plus application firmware; 136 KB SRAM leaves room for multiple packet buffers in an Ethernet gateway design. Connectivity spans Ethernet, dual CAN, USB OTG, multiple SPI/I²C/UART, plus an external bus interface for parallel peripherals. That covers a panel-mount PLC head or an industrial IoT edge node in one chip — no external PHY for the Ethernet MAC is the only add-on needed. Rated for -40°C to 105°C and 2.2 V to 3.6 V supply. ## 204 MHz — what it buys the BOM At 204 MHz the Cortex-M4 runs a real-time control loop while servicing TCP/IP and CANopen stacks. The Cortex-M0 handles bit-level SPI transactions without slowing the M4. ## Active production, normal supply NXP continues to manufacture the LPC43xx series. ## Package and mounting for panel integration 144-LQFP, 20×20 mm body, surface-mount only. The 83 I/O break out to the peripheral set. No external oscillator required.","metaTitle":"NXP LPC43S37JBD144551 Dual-Core MCU, 204MHz, 1MB Flash","metaDescription":"NXP LPC43S37JBD144551 ARM Cortex-M4/M0 dual-core MCU at 204MHz with 1MB Flash, 136KB SRAM, Ethernet, CAN, USB OTG. Industrial temp -40°C to 105°C. 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":"204MHz","title":"LPC43S37JBD144551","Series":"LPC43xx","Package":"Bulk","RAM Size":"136K x 8","Core Size":"32-Bit Dual-Core","Peripherals":"Brown-out Detect/Reset, DMA, I²S, POR, WDT","Connectivity":"CANbus, EBI/EMI, Ethernet, I²C, IrDA, Microwire, MMC/SD, SPI, SSI, SSP, UART/USART, USB, USB OTG","Mounting Type":"Surface Mount","Number of I/O":"83","Core Processor":"ARM® Cortex®-M4/M0","Package / Case":"144-LQFP","Data Converters":"A/D 8x10b; D/A 1x10b","Oscillator Type":"Internal","Base Product Number":"LPC43S37","Program Memory Size":"1MB (1M x 8)","Program Memory Type":"FLASH","Operating Temperature":"-40°C~105°C(TA)","Supplier Device Package":"144-LQFP (20x20)","Voltage - Supply (Vcc/Vdd)":"2.2V ~ 3.6V"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":"$25.5700","priceTiers":null},"links":{"datasheetUrl":"https://cdn.icboms.com/ea7a95dfb32ef3e5ca2305a142ddd8dc.pdf","sourceUrl":null,"alternativesUrl":"https://icboms.com/api/mcp/products/LPC43S37JBD144551/alternatives.json"},"ai":{"faq":[{"question":"What is LPC43S37JBD144551's listed speed?","answer":"The core processor runs at 204 MHz on both the Cortex-M4 and Cortex-M0 cores."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://icboms.com/nxp-usa-inc/LPC43S37JBD144551","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/LPC43S37JBD144551 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}}