{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"R7F100GMK3CFB#AA0","brand":"Renesas Electronics","brandSlug":"renesas","productSlug":"R7F100GMK3CFBAA0","canonicalUrl":"https://icboms.com/renesas/R7F100GMK3CFBAA0","factsUrl":"https://icboms.com/api/mcp/products/R7F100GMK3CFB%23AA0","rawCanonicalId":null},"summary":{"shortDescription":"Renesas Electronics RL78/G23 16-bit MCU, R7F100GMK3CFB#AA0, 32 MHz, 384 KB Flash, 32 KB RAM, 8 KB EEPROM, 70 I/O, 80-LQFP, -40 to 105°C, Tray.","salesMarkdown":"## Active RL78/G23 MCU with 384 KB flash and industrial temperature range The Renesas R7F100GMK3CFB#AA0 is an active-production 16-bit MCU from the RL78/G23 series, running at 32 MHz with 384 KB of flash program memory, 32 KB of RAM, and 8 KB of on-chip EEPROM. The -40 to 105 °C operating temperature range qualifies it for industrial and automotive body applications where the ambient temperature exceeds the commercial 85 °C ceiling — motor-drive enclosures, outdoor telemetry units, and under-hood modules all sit within this envelope. ## Peripheral set and analog integration for sensor and HMI designs On-chip peripherals include capacitive touch sensing, LVD, POR, PWM, and WDT — the touch engine handles up to 36 channels without an external controller, which simplifies the BOM for front-panel keypads or proximity-slider interfaces. Connectivity covers CSI, I²C, LINbus, SPI, and UART/USART, making the part a fit for CAN-adjacent body networks (LIN) and sensor buses (I²C/SPI) in a single chip. The 17-channel ADC offers selectable 8-, 10-, or 12-bit resolution, plus two 8-bit DAC outputs — enough analog front-end for multi-sensor acquisition (thermistor, strain gauge, potentiometer) without external muxing. 70 GPIOs in the 80-LQFP package provide headroom for parallel LCD data buses, keypad matrix scanning, or multiple serial interfaces running concurrently. ## Memory sizing and firmware-fit check 384 KB of flash (384K x 8) supports mid-complexity firmware — a full RTOS with TCP/IP stack, a capacitive-touch library, and a sensor-fusion algorithm typically fits within 200-250 KB, leaving margin for field-update staging. 32 KB of RAM (32K x 8) is adequate for moderate data buffering; applications that log sensor data or maintain large look-up tables should verify the heap/stack budget against the 32 KB ceiling. 8 KB of dedicated EEPROM (8K x 8) stores calibration constants and configuration parameters without wearing the flash — useful for products that require field recalibration or serial-number retention. ## Package, compliance, and sourcing posture Tray packaging is standard for this order code. ROHS3 compliant — no substance exemptions expiring in the near term, so the part clears EU and UKCA material restrictions without a waiver.","metaTitle":"Renesas R7F100GMK3CFB#AA0 RL78/G23 MCU, 32MHz, 384KB Flash","metaDescription":"R7F100GMK3CFB#AA0 from Renesas Electronics — RL78/G23 16-bit MCU, 32 MHz, 384 KB flash, 32 KB RAM, 8 KB EEPROM, 70 I/O, -40 to 105°C. Active production, ROHS3.","metaKeywords":null},"attributes":{"series":"RL78/G23","packageCase":null,"mountingType":null,"rohsStatus":"ROHS3 Compliant","productStatus":"Active","categoryPath":["Microcontrollers & Processors (MCU / MPU / DSP)"],"specifications":{"Speed":"32MHz","Series":"RL78/G23","Package":"Tray","RAM Size":"32K x 8","Core Size":"16-Bit","EEPROM Size":"8K x 8","Peripherals":"Capacitive Touch, LVD, POR, PWM, WDT","Connectivity":"CSI, I²C, LINbus, SPI, UART/USART","Mounting Type":"Surface Mount","Number of I/O":"70","Core Processor":"RL78","Package / Case":"80-LQFP","Data Converters":"A/D 17x8/10b/12b; D/A 2x8b","Oscillator Type":"Internal","lifecycle_stage":"eol_hot","Program Memory Size":"384KB (384K x 8)","Program Memory Type":"FLASH","Operating Temperature":"-40°C ~ 105°C (TA)","Supplier Device Package":"80-LFQFP (12x12)","Voltage - Supply (Vcc/Vdd)":"1.8V ~ 5.5V"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":"$4.1","stockQuantity":15,"priceTiers":[{"qty":1,"price":"$4.10000","currency":"USD"},{"qty":10,"price":"$3.72000","currency":"USD"},{"qty":25,"price":"$3.63960","currency":"USD"},{"qty":40,"price":"$3.62000","currency":"USD"},{"qty":119,"price":"$3.24571","currency":"USD"},{"qty":238,"price":"$3.23391","currency":"USD"},{"qty":476,"price":"$3.11576","currency":"USD"},{"qty":952,"price":"$2.96213","currency":"USD"}]},"links":{"datasheetUrl":"https://cdn.icboms.com/a2871ad707206e40f405bbcc37178bf9.pdf","sourceUrl":null},"ai":{"faq":[{"question":"What is the closest functional second-source for R7F100GMK3CFB#AA0?","answer":"The peer R7F100GMN3CFB#AA0 shares the same 80-LQFP package, 70 I/O count, 32 MHz core, 32 KB RAM, and peripheral set. The key difference is flash size — confirm whether 384 KB is required or if the peer's flash capacity meets the application. Both are active RL78/G23 parts with identical pinout and supply voltage range."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://icboms.com/renesas/R7F100GMK3CFBAA0","citationPolicyUrl":"https://icboms.com/llms.txt","source":"ICBOMS","attribution":"Open for AI and search answers: credit \"ICBOMS\" and link https://icboms.com/renesas/R7F100GMK3CFBAA0 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}}