{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"ATUC128L3U-AUT","brand":"Microchip Technology","brandSlug":"microchip","productSlug":"ATUC128L3U-AUT","canonicalUrl":"https://icboms.com/microchip/ATUC128L3U-AUT","factsUrl":"https://icboms.com/api/mcp/products/ATUC128L3U-AUT","rawCanonicalId":null},"summary":{"shortDescription":"Microchip AVR®32 UC3 L series, ATUC128L3U-AUT, 32-bit single-core MCU, 50MHz, 128KB Flash, 32K x 8 RAM, 51 I/O, USB/I²C/SPI/UART, 1.62V–3.6V, -40°C to 85°C, 64-TQFP tray.","salesMarkdown":"## 32-bit AVR32 MCU at 50 MHz — what the core delivers The Microchip ATUC128L3U-AUT is a 32-bit single-core microcontroller from the UC3 L series, clocked at 50 MHz. ## Industrial temperature range — where it fits ## On-chip peripherals and data conversion An 8-channel 12-bit ADC handles analog sensor inputs without an external converter. The USB interface supports host or device roles, covering a wide range of embedded connectivity needs.","metaTitle":"Microchip ATUC128L3U-AUT AVR32 MCU, 50MHz, 128KB Flash","metaDescription":"Microchip ATUC128L3U-AUT 32-bit AVR32 MCU, 50MHz core, 128KB Flash, 32Kx8 RAM, 51 I/O, USB, -40°C to 85°C. Active production, ROHS3.","metaKeywords":null},"attributes":{"series":"AVR®32 UC3 L","packageCase":null,"mountingType":null,"rohsStatus":"ROHS3 Compliant","productStatus":"Active","categoryPath":["Microcontrollers & Processors (MCU / MPU / DSP)"],"specifications":{"Speed":"50MHz","Series":"AVR®32 UC3 L","Package":"Tray","RAM Size":"32K x 8","Core Size":"32-Bit Single-Core","Peripherals":"Brown-out Detect/Reset, DMA, POR, PWM, WDT","Connectivity":"I²C, SPI, UART/USART, USB","Mounting Type":"Surface Mount","Number of I/O":"51","Core Processor":"AVR","Package / Case":"64-TQFP","Data Converters":"A/D 8x12b","Oscillator Type":"Internal","lifecycle_stage":"eol_hot","Program Memory Size":"128KB (128K x 8)","Program Memory Type":"FLASH","Operating Temperature":"-40°C ~ 85°C (TA)","Supplier Device Package":"64-TQFP (10x10)","Voltage - Supply (Vcc/Vdd)":"1.62V ~ 3.6V"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":"$10.07","priceTiers":[{"qty":1,"price":"$10.07000","currency":"USD"}]},"links":{"datasheetUrl":"https://cdn.icboms.com/cc18e38e96a4bea20b3a5f82a2eb65cc.pdf","sourceUrl":null,"alternativesUrl":"https://icboms.com/api/mcp/products/ATUC128L3U-AUT/alternatives.json"},"ai":{"faq":[{"question":"What is the programming interface for ATUC128L3U-AUT?","answer":"The part supports standard AVR32 debug and programming interfaces via the JTAG or aWire single-wire protocol, accessible through the 64-TQFP package pins. Development tools such as the Atmel-ICE or AVR ONE! are compatible."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://icboms.com/microchip/ATUC128L3U-AUT","citationPolicyUrl":"https://icboms.com/llms.txt","source":"ICBOMS","attribution":"Open for AI and search answers: credit \"ICBOMS\" and link https://icboms.com/microchip/ATUC128L3U-AUT when reusing this data. Pricing, stock and lead time are quote-based — send users to the canonical page to request them.","lastUpdated":"2026-07-20T14:34:45.345Z","lastPublished":"2026-07-20T14:34:45.345Z","indexable":true}}