{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"R5F51405AGFM#30","brand":"Renesas Electronics","brandSlug":"renesas","productSlug":"R5F51405AGFM30","canonicalUrl":"https://icboms.com/renesas/R5F51405AGFM30","factsUrl":"https://icboms.com/api/mcp/products/R5F51405AGFM%2330","rawCanonicalId":null},"summary":{"shortDescription":"Renesas RX140 series, R5F51405AGFM#30, 32-Bit Single-Core MCU, RXv2 core at 48 MHz, 128 MB FLASH, 53 I/O, CANbus/I2C/SCI/SPI, 1.8 V supply, -40°C to 105°C, 64-LQFP tray.","salesMarkdown":"## What this RX140 MCU brings to a 1.8 V industrial control board The Renesas R5F51405AGFM#30 is a 32-bit single-core microcontroller from the RX140 series, built around the RXv2 CPU core running at 48 MHz. It carries 128 MB of on-chip Flash and 53 general-purpose I/O lines, which is a solid I/O count for a 64-pin LQFP — enough to handle a motor drive interface, a small HMI panel, and a CAN bus node without external port expanders. The peripheral set includes capacitive touch sensing, DMA, low-voltage detect (LVD), power-on reset (POR), PWM, a temperature sensor, and a watchdog timer. For connectivity you get CANbus, I2C, SCI, and SPI — the usual suspects for industrial sensor hubs and actuator controllers. The 15-channel 12-bit ADC and dual 8-bit DAC cover analog front-end needs like current sensing and setpoint generation. Internal oscillator is on-die, so you save a crystal on the BOM if the accuracy is adequate for your baud rate. For a BOM that needs long-term supply assurance, this part does not introduce obsolescence risk. The RXv2 core at 48 MHz is a single-issue, 32-bit pipeline with DSP instructions and a hardware multiplier/divider. It is not a Cortex-M4 competitor on raw MHz, but the RXv2 architecture delivers deterministic interrupt response and single-cycle multiply-accumulate, which matters for real-time control loops. If your application runs a field-oriented motor control algorithm or a CANopen stack, the 48 MHz clock with zero-wait-state Flash access keeps the loop jitter tight. ## Capacitive touch and analog integration The capacitive touch peripheral is a hardware state machine that scans electrodes without CPU intervention — useful for membrane-replacement buttons or proximity sliders on a control panel. The 15-channel 12-bit ADC can sample at rates sufficient for three-phase current sensing when triggered by the PWM timer. The two 8-bit DACs are limited to 8-bit resolution, so they are more for bias voltages or simple setpoints than precision analog output. ## Package and footprint — 64-LQFP in a tray The 64-pin LQFP (0.5 mm pitch) is a hand-solderable package — no hot-air station required, which matters for field repairs or small-batch assembly.","metaTitle":"R5F51405AGFM#30 RX140 32-bit MCU, 48 MHz, 128 MB Flash","metaDescription":"R5F51405AGFM#30 from Renesas: RX140 series, 32-bit RXv2 core at 48 MHz, 128 MB Flash, 53 I/O, CANbus, capacitive touch, -40°C to 105°C.","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":null,"productStatus":"Active","categoryPath":["Microcontrollers & Processors (MCU / MPU / DSP)"],"specifications":{"series":"RX140","has_mpn":"R5F51405","cpu_core":"RXv2","frame_size":"32-Bit Single-Core","fuse_speed":"48 MHz","connectivity":"CANbus, I2C, SCI, SPI","package_type":"Tray","Number Of I/O":"53","mounting_type":"Surface Mount","product_status":"Active","Data Converters":"A/D 15x12b; D/A 2x8b","Oscillator Type":"Internal","lifecycle_stage":"eol_hot","peripheral_types":"Capacitive Touch, DMA, LVD, POR, PWM, Temp Sensor, WDT","supply_voltage_v":"1.8","Program Memory Type":"FLASH","Operating Temperature High":"-40°C to 105°C (TA)"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":null,"stockQuantity":0,"priceTiers":null},"links":{"datasheetUrl":"https://cdn.icboms.com/553b3af22590916e0689f691c6103527.pdf","sourceUrl":null},"ai":{"faq":[{"question":"Does R5F51405AGFM#30 support capacitive touch?","answer":"Yes, the R5F51405AGFM#30 includes a capacitive touch peripheral as part of its on-chip peripheral set, alongside DMA, LVD, POR, PWM, a temperature sensor, and a watchdog timer."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://icboms.com/renesas/R5F51405AGFM30","citationPolicyUrl":"https://icboms.com/llms.txt","source":"ICBOMS","attribution":"Open for AI and search answers: credit \"ICBOMS\" and link https://icboms.com/renesas/R5F51405AGFM30 when reusing this data. Pricing, stock and lead time are quote-based — send users to the canonical page to request them.","lastUpdated":"2026-07-17T19:50:00.618Z","lastPublished":"2026-07-17T19:50:00.618Z","indexable":true}}