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Renesas R5F100MFAFB#X0
- Part No.:
- R5F100MFAFB#X0
- Manufacturer:
- Renesas
- Category:
- Microcontrollers
- Package:
- 80-LQFP
- Datasheet:
-
R5F100MFAFB#X0.pdf
- Description:
- IC MCU 16BIT 96KB FLASH 80LQFP
- Quantity:
- Payment:
- Shipping:
Inventory:2,113
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Product details
Overview
R5F100MFAFB#X0 from Renesas is an RL78/G13 80-pin low-power 16-bit MCU with 96 KB flash, 8 KB data flash, 8 KB RAM, 32 MHz max CPU speed, and integrated 10-bit ADC (26 channels), RTC, and multiple serial interfaces (UART, CSI, I²C). It targets battery-powered industrial sensors and smart metering systems requiring extended runtime and precise timing.
For engineers reviewing the R5F100MFAFB#X0 datasheet, R5F100MFAFB#X0 pinout, R5F100MFAFB#X0 application, or R5F100MFAFB#X0 equivalent, key selection criteria include its 80-pin LFQFP-0.5mm package, -40°C to +85°C industrial temperature grade (D-grade), ultra-low power consumption (66 μA/MHz active, 0.57 μA RTC+LVD mode), and on-chip debug support for rapid firmware validation.
Technical Context
The R5F100MFAFB#X0 implements the RL78 CPU core with a 3-stage pipeline CISC architecture, supporting instruction execution times from 0.03125 μs (32 MHz high-speed mode) to 30.5 μs (32.768 kHz ultra-low-speed mode). Its memory subsystem includes 96 KB code flash (1 KB block size), 8 KB data flash with background operation (BGO) and 1M rewrite cycles, and 8 KB SRAM.
Peripherals include eight 16-bit timers, one 12-bit interval timer, one calendar RTC with alarm and correction, one watchdog timer, a 10-bit A/D converter with 26 input channels and internal temperature sensor, and up to four UART/LIN, ten I²C/Simplified I²C, and eight CSI channels - all configurable via register-based control logic without external clock dependencies.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core Architecture | RL78 16-bit CISC with 3-stage pipeline; enables deterministic real-time response in resource-constrained embedded control. |
| Max Operating Frequency | 32 MHz; delivers 41 DMIPS performance while maintaining sub-100 μA/MHz active power efficiency. |
| Flash Memory | 96 KB code flash + 8 KB data flash; supports self-programming with boot swap and flash shield window security. |
| RAM Size | 8 KB on-chip SRAM; sufficient for real-time control stacks, communication buffers, and sensor data processing. |
| A/D Converter | 10-bit resolution, 26-channel input; includes internal reference (1.45 V) and temperature sensor for calibration-free sensing. |
| Power Consumption | 66 μA/MHz (active), 0.57 μA (HALT with RTC + LVD); enables multi-year battery life in wireless sensor nodes. |
| Operating Temperature | -40°C to +85°C (D-grade); qualified for industrial environments including HVAC controls and factory automation. |
Pinout & Package
Package: 80-pin LFQFP (12 × 12 mm, 0.50-mm pitch), RoHS-compliant, moisture-sensitive level 3.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| P10/SCK00/SCL00 | SPI Clock / I²C Clock | Shared multiplexed pin supporting synchronous serial master/slave clock generation or I²C bus timing. |
| P11/SI00/RxD0/TOOLRxD/SDA00 | SPI Input / UART RX / Debug RX / I²C Data | Multi-function pin enabling firmware update via UART, debug communication, and dual-protocol peripheral interfacing. |
| P20/ANI0/AVREFP | Analog Input 0 / ADC Reference Positive | Configurable as primary analog input or positive reference voltage source for precision ADC measurements. |
| P21/ANI1/AVREFM | Analog Input 1 / ADC Reference Negative | Supports differential ADC mode or serves as ground reference for ratiometric sensor signal conditioning. |
| P30/INTP0/TOOLnTRST | External Interrupt 0 / JTAG Reset | Enables wake-up from STOP mode and provides hardware reset path for debugger integration during development. |
Key Features
| Feature | Design Value |
|---|---|
| Ultra-low power HALT/STOP/SNOOZE modes | Reduces system energy use by >99% during idle periods while preserving RTC and LVD functionality. |
| Background data flash rewriting (BGO) | Allows concurrent program execution and non-volatile parameter updates without interrupting real-time tasks. |
| On-chip debug interface | Eliminates need for external emulators; supports full-speed debugging, breakpoint setting, and memory inspection. |
| Integrated RTC with calendar and alarm | Provides accurate timekeeping over 99 years with automatic leap-year compensation and programmable wake-up events. |
| Different-potential I/O capability | Enables direct interfacing with 1.8 V, 2.5 V, or 3.0 V peripherals without level-shifting circuitry. |
Applications
| Smart Energy Metering | Industrial Sensor Node |
|---|---|
|
Use Scenario: Residential and commercial electricity meters measuring voltage, current, and power factor with tamper detection and secure data logging. IC Role / Device Role / Timing Role: Primary controller managing metrology ADC sampling, encryption, RTC-stamped event logging, and PLC/RF communication stack. Use Value: 96 KB flash accommodates dual-application firmware (metering + communication), while 0.57 μA RTC+LVD mode ensures decade-long backup battery life during mains failure. |
Use Scenario: Wireless temperature/humidity/pressure sensor deployed in factory floors or remote infrastructure monitoring. IC Role / Device Role / Timing Role: System-on-chip host executing sensor fusion, low-power scheduling, BLE/LoRaWAN protocol handling, and secure OTA updates. Use Value: 26-channel 10-bit ADC supports multi-sensor analog front-end; BGO enables seamless parameter reconfiguration without interrupting measurement cycles. |
| Home Appliance Control | Building Automation Panel |
|
Use Scenario: Microcontroller unit in washing machines, air conditioners, or refrigerators managing motor drives, user interface, and energy optimization algorithms. IC Role / Device Role / Timing Role: Real-time motor control coordinator with PWM generation, fault protection, and human-machine interface management. Use Value: Eight 16-bit timers provide precise phase-shifted PWM outputs for inverter-driven compressors; 8 KB RAM supports complex PID tuning tables and diagnostics buffers. |
Use Scenario: Central control unit in HVAC or lighting panels integrating occupancy sensing, environmental feedback, and DALI/KNX gateway functions. IC Role / Device Role / Timing Role: Protocol bridge and scheduler synchronizing multiple fieldbus interfaces and local actuator control loops. Use Value: Ten I²C channels enable daisy-chained sensor networks; SNOOZE mode allows periodic polling of CO₂ and VOC sensors at <1 μA average current. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar 16-bit microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| R5F100MGAFB#X0 | Same package and pinout; 128 KB flash, 12 KB RAM, 8 KB data flash - higher memory capacity with identical peripheral set. | Better suited for applications requiring larger firmware (e.g., multi-protocol gateways) or extended data logging buffers. | Select when future firmware growth or enhanced data retention is anticipated without changing PCB layout. |
| R5F101MFAFB#X0 | Same footprint and core; no data flash (0 KB), reduced RAM (4 KB), same 96 KB code flash - cost-optimized variant. | Ideal for fixed-function controllers where parameter storage is handled externally or not required. | Choose for cost-sensitive designs where EEPROM or external flash replaces on-chip data flash functionality. |
Compared with R5F100MFAFB#X0, R5F100MGAFB#X0 offers scalable memory headroom for evolving feature sets, while R5F101MFAFB#X0 reduces BOM cost where data persistence is offloaded - both maintain identical timing, power, and interface compatibility.
Availability
R5F100MFAFB#X0 is available at Aetrix Electronics and suitable for industrial sensor nodes, smart metering systems, and home appliance control requiring stable component supply across long production lifecycles.
Supply support for R5F100MFAFB#X0 includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.
Manufacturer
Renesas Electronics is a global semiconductor leader specializing in microcontrollers, analog, and power solutions for automotive, industrial, and IoT markets.
The RL78/G13 product line delivers ultra-low-power 16-bit MCUs optimized for cost-sensitive, battery-operated, and industrial control applications demanding high reliability and long-term supply assurance.
FAQ
What is the maximum operating frequency and corresponding power consumption of the R5F100MFAFB#X0?
The R5F100MFAFB#X0 operates at up to 32 MHz with a typical active current of 66 μA per MHz. At full speed, it delivers 41 DMIPS while maintaining ultra-low power efficiency - critical for portable and energy-harvesting applications where thermal and battery constraints dominate design decisions. The R5F100MFAFB#X0 achieves this via adaptive clock gating and multiple low-power modes.
Does the R5F100MFAFB#X0 include on-chip debug capability, and what interface does it use?
Yes, the R5F100MFAFB#X0 integrates a full-featured on-chip debug interface compliant with Renesas E1/E20 emulators. It uses the dedicated TOOLnTRST pin (P30) and shared serial pins (e.g., P11 for TOOLRxD) to support real-time breakpoints, memory inspection, and flash programming without external hardware - accelerating firmware bring-up and validation for the R5F100MFAFB#X0.
How many analog input channels does the R5F100MFAFB#X0 support, and what is the ADC resolution?
The R5F100MFAFB#X0 features a 10-bit successive-approximation ADC with up to 26 analog input channels. It includes internal reference voltage (1.45 V) and a calibrated temperature sensor - enabling accurate, self-contained sensor measurements without external components. This ADC configuration is fully supported in the R5F100MFAFB#X0's 80-pin LFQFP package.
What is the data flash endurance and rewrite voltage range for the R5F100MFAFB#X0?
The R5F100MFAFB#X0 provides 8 KB of data flash rated for 1,000,000 write/erase cycles (typical) with operation supported across the full supply range of 1.8 V to 5.5 V. Background operation (BGO) allows code execution from main flash while data flash is being rewritten - a key capability confirmed for the R5F100MFAFB#X0 in its RL78/G13 family specification.
Is the R5F100MFAFB#X0 qualified for industrial temperature operation, and what grade does it carry?
Yes, the R5F100MFAFB#X0 is rated for industrial ambient temperatures from -40°C to +85°C and carries the "D" grade designation per Renesas' part numbering scheme. This qualification ensures reliable operation in factory automation, building controls, and outdoor metering equipment - a defined specification for the R5F100MFAFB#X0, not inferred from family-level data.
R5F100MFAFB#X0 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Renesas
- Package/Case:
- 80-LQFP
- Series:
- RL78/G13
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Obsolete
- Programmable:
- Not Verified
- Core Processor:
- RL78
- Core Size:
- 16-Bit
- Speed:
- 32MHz
- Connectivity:
- CSI, I2C, LINbus, UART/USART
- Peripherals:
- DMA, LVD, POR, PWM, WDT
- Number of I/O:
- 64
- Program Memory Size:
- 96KB (96K x 8)
- Program Memory Type:
- FLASH
- EEPROM Size:
- 8K x 8
- RAM Size:
- 8K x 8
- Voltage - Supply (Vcc/Vdd):
- 1.6V ~ 5.5V
- Data Converters:
- A/D 17x8/10b
- Oscillator Type:
- Internal
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
R5F100MFAFB#X0 FAQ
1.How can I place an order for R5F100MFAFB#X0 through Aetrix?
Please submit a Request for Quotation (RFQ) for R5F100MFAFB#X0 on Aetrix. Our sales agent will provide a competitive quotation and guide you through the order confirmation once you accept the terms.
2.Are the price and stock information for R5F100MFAFB#X0 reliable?
The price and inventory of R5F100MFAFB#X0 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for R5F100MFAFB#X0 is usually 5 days.
3.What payment methods are accepted for R5F100MFAFB#X0?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for R5F100MFAFB#X0 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for R5F100MFAFB#X0?
R5F100MFAFB#X0 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your R5F100MFAFB#X0 order is processed, you will receive an email with the shipment details and tracking number.
Note: Tracking information may take up to 24 hours to appear. Express delivery typically takes 3–5 business days.
5.How can I obtain technical support or documentation for R5F100MFAFB#X0?
For technical support, including R5F100MFAFB#X0 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your R5F100MFAFB#X0 requirements.
6.How does Aetrix verify that R5F100MFAFB#X0 is sourced from the original manufacturer or authorized distributors?
All R5F100MFAFB#X0 products on Aetrix are procured from qualified distributors and authorized channels. Our dedicated quality assurance team conducts strict verification, including traceability checks and, if necessary, third-party testing. This ensures that R5F100MFAFB#X0 meets industry standards.
7.What is the process for return or replacement of R5F100MFAFB#X0?
All R5F100MFAFB#X0 units undergo pre-shipment inspection (PSI). If there is an issue with R5F100MFAFB#X0, returns or replacements are accepted under the following conditions:
1.Quantity discrepancies, incorrect items, or visible external defects (such as breakage or corrosion), acknowledged by Aetrix.
2.The issue is reported within 90 days of delivery.
3.The R5F100MFAFB#X0 part is unused and in its original packaging.
Return procedure for R5F100MFAFB#X0:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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