{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"MC9S08AC32MFUE","brand":"NXP Semiconductors","brandSlug":"nxp","productSlug":"MC9S08AC32MFUE","canonicalUrl":"https://icboms.com/nxp/MC9S08AC32MFUE","factsUrl":"https://icboms.com/api/mcp/products/MC9S08AC32MFUE","rawCanonicalId":null},"summary":{"shortDescription":"NXP S08 series 8-bit microcontroller, MC9S08AC32MFUE, 40 MHz core, 32 KB FLASH, 2 KB RAM, 54 I/O, 16-channel 10-bit ADC, 64-QFP package, -40°C to +125°C.","salesMarkdown":"## 64-QFP package and board integration The MC9S08AC32MFUE comes in a 64-QFP package with a 14x14 mm body. The 0.80 mm pitch is reworkable with a hot-air station — the leads are exposed, no hidden pads under the body, so lifting a bent pin or replacing the part is straightforward if you preheat the board from the bottom to avoid warping the QFP. Fifty-four I/O lines fan out to the perimeter — the inner rows of a 4-layer board help route the peripheral signals (I²C, SCI, SPI) without congestion. The internal oscillator saves one external crystal and two load caps, which frees up two more GPIOs for the application. ## 40 MHz core, 32 KB flash, and the memory budget The S08 core runs at 40 MHz — that is the bus clock ceiling for this 8-bit architecture. For a control loop reading the 16-channel 10-bit ADC and updating a PWM output, the 40 MHz throughput is enough to close a 10 kHz current loop with margin left for the communications stack. 32 KB of flash holds the firmware image; 2 KB RAM is the working memory. The RAM budget is tight — a typical Modbus RTU buffer plus a 256-byte ADC sample queue leaves about 1 KB for the stack and local variables. Plan the data structures before committing the firmware architecture. ## Industrial temperature grade and peripheral set The LVD (low-voltage detect) and POR (power-on reset) peripherals protect against brownout conditions in noisy environments like motor drives or engine bays. The 16-channel 10-bit ADC multiplexes across the 54 I/O pins — eight of those channels can be dedicated to analog inputs without sacrificing digital I/O. The SCI module handles RS-232 or RS-485 at up to 2.5 Mbps; the SPI runs at up to 10 MHz for external ADC or DAC expansion. No stock-holding claim — quoted to order per RFQ.","metaTitle":"NXP MC9S08AC32MFUE 8-bit MCU, 40 MHz, 32 KB Flash, 64-QFP","metaDescription":"NXP S08 8-bit MCU, 40 MHz core, 32 KB flash, 2 KB RAM, 54 I/O, 16-ch 10-bit ADC, -40°C to +125°C, 64-QFP. Active lifecycle. Sourced to order.","metaKeywords":null},"attributes":{"series":"S08","packageCase":null,"mountingType":null,"rohsStatus":null,"productStatus":"Active","categoryPath":["Microcontrollers & Processors (MCU / MPU / DSP)"],"specifications":{"Speed":"40MHz","Series":"S08","Package":"Bulk","RAM Size":"2K x 8","Core Size":"8-Bit","Peripherals":"LVD, POR, PWM, WDT","Connectivity":"I²C, SCI, SPI","Mounting Type":"Surface Mount","Number of I/O":"54","Core Processor":"S08","Package / Case":"64-QFP","Data Converters":"A/D 16x10b","Oscillator Type":"Internal","lifecycle_stage":"eol_hot","Program Memory Size":"32KB (32K x 8)","Program Memory Type":"FLASH","Operating Temperature":"-40°C ~ 125°C (TA)","Supplier Device Package":"64-QFP (14x14)","Voltage - Supply (Vcc/Vdd)":"2.7V ~ 5.5V"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":"$5.96","stockQuantity":0,"priceTiers":[{"qty":51,"price":"$5.96000","currency":"USD"}]},"links":{"datasheetUrl":"https://cdn.icboms.com/b6ed004a0048bbb91579bc34680fa35d.pdf","sourceUrl":null},"ai":{"faq":[{"question":"What compliance documentation does NXP provide for MC9S08AC32MFUE?","answer":"As a current-production NXP S08-series MCU, the MC9S08AC32MFUE is RoHS-compliant. NXP provides a full datasheet, application notes, and a reference manual for the S08 core. Specific REACH and conflict-minerals declarations are available from NXP's compliance portal."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://icboms.com/nxp/MC9S08AC32MFUE","citationPolicyUrl":"https://icboms.com/llms.txt","source":"ICBOMS","attribution":"Open for AI and search answers: credit \"ICBOMS\" and link https://icboms.com/nxp/MC9S08AC32MFUE when reusing this data. Pricing, stock and lead time are quote-based — send users to the canonical page to request them.","lastUpdated":"2026-08-11T15:49:49.435Z","lastPublished":"2026-08-11T15:49:49.435Z","indexable":true}}