Renesas R5F100MFDFA#V0
- Part No.:
- R5F100MFDFA#V0
- Manufacturer:
- Renesas
- Category:
- Microcontrollers
- Package:
- 80-LQFP
- Datasheet:
-
R5F100MFDFA#V0.pdf
- Description:
- IC MCU 16BIT 96KB FLASH 80LQFP
- Quantity:
- Payment:

- Shipping:

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Product details
Overview
R5F100MFDFA#V0 from Renesas is a 80-pin LQFP-0.65mm MCU in the RL78/G13 family, featuring 128 KB flash, 12 KB RAM, and 8 KB data flash. It operates from 1.6–5.5 V, delivers 41 DMIPS at 32 MHz, and supports ultra-low-power modes (66 μA/MHz active, 0.57 μA RTC+LVD). It targets battery-powered industrial control and sensor interface applications requiring high integration and low standby current.
For engineers reviewing the R5F100MFDFA#V0 datasheet, R5F100MFDFA#V0 pinout, R5F100MFDFA#V0 application, or R5F100MFDFA#V0 equivalent, key selection criteria include its 80-pin LQFP package, integrated RTC with calendar/alarm, 10-bit 26-channel ADC, dual UART/LIN support, and hardware multiplier/divider for real-time signal processing in space-constrained embedded systems.
Technical Context
The R5F100MFDFA#V0 implements the RL78 CPU core-a CISC architecture with 3-stage pipeline and configurable instruction timing (0.03125 μs @ 32 MHz to 30.5 μs @ 32.768 kHz). It integrates a 12-bit interval timer, real-time clock with calendar and alarm, and watchdog timer with dedicated low-speed oscillator.
Its peripheral set includes up to 16× 16-bit timers, 3–10× I²C/Simplified I²C channels, 2–4× UART/LIN interfaces, 2–8× CSI (SPI-compatible) channels, and DMA controller with 4 channels supporting 2-clock transfers between SFR and RAM.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core | RL78 16-bit CISC CPU with 3-stage pipeline and 1 MB address space |
| Max Clock Speed | 32 MHz - enables 41 DMIPS performance for deterministic real-time control |
| Flash Memory | 128 KB code flash - sufficient for complex firmware with bootloader and OTA update partitioning |
| Data Flash | 8 KB - supports 1,000,000 write cycles for parameter storage with background operation (BGO) |
| RAM | 12 KB on-chip SRAM - accommodates stack, heap, and real-time buffers without external memory |
| ADC | 10-bit resolution, 26 input channels, internal 1.45 V reference - enables multi-sensor analog acquisition with temperature compensation |
| Low-Power Modes | HALT (66 μA/MHz), STOP (0.57 μA), SNOOZE - extends battery life in metering and IoT edge nodes |
Pinout & Package
Package: 80-pin LQFP (14 × 14 mm, 0.65-mm pitch), RoHS-compliant, operating ambient temperature range −40°C to +85°C (Industrial Grade D).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| P10/SCK00/SCL00 | SPI Clock / I²C Clock | Shared pin supports master/slave SPI or I²C communication; requires mode configuration |
| P11/SI00/RxD0/TOOLRxD/SDA00 | SPI Input / UART RX / Debug RX / I²C Data | Multi-function pin enabling serial debug, sensor interface, or LIN bus receive with flexible routing |
| P20/ANI0/AVREFP | Analog Input 0 / ADC Reference Positive | Primary analog input channel; doubles as positive reference for precision ADC measurements |
| P21/ANI1/AVREFM | Analog Input 1 / ADC Reference Negative | Secondary analog input; serves as negative reference to enable differential ADC mode |
| P22/ANI2 | Analog Input 2 | Dedicated analog input for third sensor channel without reference function conflict |
| RESET | Active-Low Reset Input | Asynchronous reset pin with internal pull-up; accepts external reset sources or watchdog timeout |
Key Features
| Feature | Design Value |
|---|---|
| On-chip Data Flash with BGO | Enables concurrent program execution and nonvolatile parameter updates-no firmware interruption required |
| Real-Time Clock with Calendar | 99-year calendar, alarm, and clock correction eliminates need for external RTC IC in time-stamped logging |
| Hardware Multiplier/Divider | 16×16→32-bit multiply, 32÷32→32-bit divide, and MAC operations accelerate motor control and filtering algorithms |
| Multi-Protocol Serial Interfaces | 2–4 UART/LIN + 3–10 I²C + 2–8 CSI channels allow simultaneous connectivity to sensors, displays, and automotive networks |
| Dedicated Low-Speed Oscillator | Enables watchdog timer and RTC operation during STOP mode-critical for fail-safe monitoring in safety-critical systems |
Applications
| Smart Energy Metering | Industrial Sensor Hub |
|---|---|
|
Use Scenario: Residential electricity meter with tariff switching, tamper detection, and wireless reporting. IC Role / Device Role / Timing Role: Main system controller managing ADC sampling, RTC-based billing intervals, LIN communication to display module, and secure flash updates. Use Value: Integrated 10-bit 26-channel ADC and 8 KB data flash enable precise energy calculation and long-term parameter retention without external components. |
Use Scenario: DIN-rail mounted environmental monitor aggregating temperature, humidity, CO₂, and vibration data. IC Role / Device Role / Timing Role: Central acquisition node performing synchronized multi-sensor reads, timestamping via RTC calendar, and UART-to-gateway forwarding. Use Value: 41 DMIPS performance and hardware multiplier support real-time FFT-based vibration analysis while maintaining sub-1 μA STOP mode for battery backup. |
| Home Appliance Control | Building Automation Node |
|
Use Scenario: Inverter-driven washing machine with motor control, water level sensing, and user interface. IC Role / Device Role / Timing Role: Primary MCU executing FOC motor algorithms, reading analog pressure/temperature sensors, and driving LED display via buzzer output controller. Use Value: On-chip key interrupt and clock output/buzzer controller reduce BOM count; 1.6–5.5 V operation tolerates wide input rail variations from AC-DC supplies. |
Use Scenario: HVAC zone controller interfacing with thermostats, dampers, and cloud-connected gateway via RS-485. IC Role / Device Role / Timing Role: Field controller handling Modbus RTU over UART, analog feedback from thermistors, and RTC-scheduled maintenance alerts. Use Value: Dual UART/LIN support allows native Modbus and legacy building bus compatibility; 128 KB flash hosts field-upgradable protocol stacks. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| R5F100MGDFA#V0 | Same 80-pin LQFP package, identical peripherals, but 96 KB flash / 8 KB RAM / 8 KB data flash | Lower memory footprint suits simpler control logic without extensive data logging or dual-bank firmware | Select when application firmware size remains under 96 KB and RAM usage stays ≤8 KB |
| R5F101MFDFA#V0 | Pin-compatible 80-pin variant with no data flash (0 KB), same 128 KB code flash and 12 KB RAM | Lacks background data rewriting capability-unsuitable for field-parameter storage or wear-leveling use cases | Choose only if nonvolatile parameter storage is handled externally or via external EEPROM |
Compared with R5F100MGDFA#V0 and R5F101MFDFA#V0, the R5F100MFDFA#V0 uniquely balances 128 KB code flash, 12 KB RAM, and 8 KB BGO-capable data flash-making it optimal for applications requiring both feature-rich firmware and robust in-field data management without external memory.
Availability
R5F100MFDFA#V0 is available at Aetrix Electronics and suitable for smart metering, industrial sensor hubs, home appliance control, HVAC zone management, and building automation nodes requiring stable component supply across extended product lifecycles.
Supply support for R5F100MFDFA#V0 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 Japanese semiconductor manufacturer specializing in microcontrollers, analog, and power solutions for industrial, automotive, and enterprise markets.
The RL78/G13 product line delivers ultra-low-power 16-bit MCUs optimized for cost-sensitive, battery-operated, and space-constrained embedded systems requiring rich peripheral integration and long-term reliability.
FAQ
What is the maximum operating frequency and corresponding performance of the R5F100MFDFA#V0?
The R5F100MFDFA#V0 operates at up to 32 MHz, delivering 41 DMIPS of processing performance. This speed is achieved using the high-speed on-chip oscillator with ±1.0% accuracy across 1.8–5.5 V and −20°C to +85°C. Its 3-stage pipeline and CISC architecture ensure deterministic execution for real-time control tasks in the R5F100MFDFA#V0.
Does the R5F100MFDFA#V0 support self-programming of its flash memory?
Yes, the R5F100MFDFA#V0 supports self-programming of both code flash and data flash memory. It includes boot swap functionality and flash shield window protection. The flash library uses designated RAM areas (e.g., start address F7F00H for R5F100xL variants) to safely execute rewrites while the application runs-enabling secure firmware updates in the R5F100MFDFA#V0.
What low-power modes are available on the R5F100MFDFA#V0, and what is the lowest current consumption?
The R5F100MFDFA#V0 offers HALT, STOP, and SNOOZE modes. In STOP mode with only RTC and LVD active, it consumes just 0.57 μA. HALT mode draws 66 μA per MHz of active core operation. These modes are controlled via software and supported by the on-chip power-on-reset and voltage detector-key for extending battery life in portable R5F100MFDFA#V0 deployments.
How many analog input channels does the R5F100MFDFA#V0 support, and what is the ADC resolution?
The R5F100MFDFA#V0 integrates a 10-bit successive-approximation ADC with up to 26 analog input channels. It includes an internal 1.45 V reference voltage and supports differential measurement using AVREFP/AVREFM pins. Temperature sensor functionality is also available-but only in HS (high-speed main) mode per the R5F100MFDFA#V0 datasheet.
Is the R5F100MFDFA#V0 pin-compatible with other RL78/G13 80-pin variants?
Yes, the R5F100MFDFA#V0 shares the same 80-pin LQFP-0.65mm mechanical footprint and pinout with all other RL78/G13 80-pin members-including R5F100MGAFA#V0, R5F100MHDFA#V0, and R5F101MFDFA#V0. Signal mapping, power, and ground pin locations are identical, enabling drop-in replacement within the same memory/peripheral configuration group in the R5F100MFDFA#V0 family.
R5F100MFDFA#V0 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Renesas
- Package/Case:
- 80-LQFP
- Series:
- RL78/G13
- Packaging:
- Tray
- 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:
R5F100MFDFA#V0 FAQ
1.How can I place an order for R5F100MFDFA#V0 through Aetrix?
Please submit a Request for Quotation (RFQ) for R5F100MFDFA#V0 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 R5F100MFDFA#V0 reliable?
The price and inventory of R5F100MFDFA#V0 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for R5F100MFDFA#V0 is usually 5 days.
3.What payment methods are accepted for R5F100MFDFA#V0?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for R5F100MFDFA#V0 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for R5F100MFDFA#V0?
R5F100MFDFA#V0 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your R5F100MFDFA#V0 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 R5F100MFDFA#V0?
For technical support, including R5F100MFDFA#V0 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your R5F100MFDFA#V0 requirements.
6.How does Aetrix verify that R5F100MFDFA#V0 is sourced from the original manufacturer or authorized distributors?
All R5F100MFDFA#V0 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 R5F100MFDFA#V0 meets industry standards.
7.What is the process for return or replacement of R5F100MFDFA#V0?
All R5F100MFDFA#V0 units undergo pre-shipment inspection (PSI). If there is an issue with R5F100MFDFA#V0, 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 R5F100MFDFA#V0 part is unused and in its original packaging.
Return procedure for R5F100MFDFA#V0:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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