{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"M32171F3VFP","brand":"Renesas Electronics","brandSlug":"renesas","productSlug":"M32171F3VFP","canonicalUrl":"https://icboms.com/renesas/M32171F3VFP","factsUrl":"https://icboms.com/api/mcp/products/M32171F3VFP","rawCanonicalId":null},"summary":{"shortDescription":"Renesas Electronics M32R series 32-bit single-core microcontroller, M32171F3VFP, 40 MHz, 256 KB flash, 16 KB RAM, 97 I/O, 144-LQFP, -40 to +125 °C.","salesMarkdown":"## M32R core and on-chip memory budget The M32171F3VFP is a 32-bit single-core microcontroller built around Renesas' proprietary M32R core running at 40 MHz. For a CANbus node running a moderate protocol stack with a 10-bit ADC scan loop, the flash holds the application code and the RAM covers the stack and a few hundred bytes of global data — no external memory required unless you are buffering large telemetry logs. Supply voltage spans 3 V to 5.5 V, so the part runs from either a 3.3 V regulated rail or a 5 V automotive battery line without an intermediate regulator. ## Peripheral set and I/O count On-chip peripherals include DMA, PWM, CANbus, EBI/EMI, SPI, and UART/USART. The data converters are a 16-channel 10-bit ADC and a single-channel 10-bit DAC. With 97 I/O pins in a 144-pin LQFP, 47 pins are consumed by power, ground, and reserved functions — plan the decoupling capacitor placement and the pin-mux assignment early in the layout phase. ## Package and board integration The M32171F3VFP is supplied in a 144-LQFP package with a 20x20 mm body. Surface-mount assembly — no through-hole variant exists.","metaTitle":"Renesas M32171F3VFP MCU, 32-bit M32R, 40 MHz, 144-LQFP","metaDescription":"Renesas M32171F3VFP 32-bit M32R MCU, 40 MHz, 256 KB flash, 16 KB RAM, 97 I/O, CAN/SPI/UART, -40 to +125 °C, 144-LQFP. Active production, quoted to order.","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":"Not applicable","productStatus":"Active","categoryPath":["Microcontrollers & Processors (MCU / MPU / DSP)"],"specifications":{"Speed":"40MHz","Package":"Bulk","RAM Size":"16K x 8","Core Size":"32-Bit Single-Core","Peripherals":"DMA, PWM","Connectivity":"CANbus, EBI/EMI, SPI, UART/USART","Mounting Type":"Surface Mount","Number of I/O":"97","Core Processor":"M32R","Package / Case":"144-LQFP","Data Converters":"A/D 16x10b; D/A 1x10b","Oscillator Type":"Internal","lifecycle_stage":"eol_hot","Program Memory Size":"256KB (256K x 8)","Program Memory Type":"FLASH","Operating Temperature":"-40°C ~ 125°C (TA)","Supplier Device Package":"144-LFQFP (20x20)","Voltage - Supply (Vcc/Vdd)":"3V ~ 5.5V"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":"$37.14","stockQuantity":23,"priceTiers":[{"qty":9,"price":"$37.14000","currency":"USD"}]},"links":{"datasheetUrl":"https://cdn.icboms.com/e8cfa9d851a459b1a7272cf920c1968f.pdf","sourceUrl":null},"ai":{"faq":[{"question":"What is M32171F3VFP's listed speed and what does it mean for real-time control?","answer":"The core runs at 40 MHz. For a typical CANbus node with a 10-bit ADC scan loop and PWM output, the 40 MHz clock provides enough throughput for control loops up to about 10 kHz update rate, assuming the code is in flash with zero wait states. The M32R pipeline is single-issue, so the effective MIPS is close to the clock frequency for register-to-register operations."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://icboms.com/renesas/M32171F3VFP","citationPolicyUrl":"https://icboms.com/llms.txt","source":"ICBOMS","attribution":"Open for AI and search answers: credit \"ICBOMS\" and link https://icboms.com/renesas/M32171F3VFP when reusing this data. Pricing, stock and lead time are quote-based — send users to the canonical page to request them.","lastUpdated":"2026-07-22T19:45:10.375Z","lastPublished":"2026-07-22T19:45:10.375Z","indexable":true}}