Renesas R5F100MGDFB#V0
- Part No.:
- R5F100MGDFB#V0
- Manufacturer:
- Renesas
- Category:
- Microcontrollers
- Package:
- 80-LQFP
- Datasheet:
-
R5F100MGDFB#V0.pdf
- Description:
- IC MCU 16BIT 128KB FLASH 80LQFP
- Quantity:
- Payment:

- Shipping:

Inventory:4,387
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Product details
Overview
R5F100MGDFB#V0 from Renesas is a 80-pin LFQFP, 0.5-mm pitch, industrial-grade (−40°C to +105°C) RL78/G13 16-bit MCU with 128 KB flash, 8 KB data flash, 12 KB RAM, 32 MHz max CPU speed, and integrated RTC, 10-bit ADC (26 channels), UART, I²C, CSI, and ultra-low-power STOP mode (0.57 μA). It targets battery-powered industrial sensors and smart metering endpoints.
For engineers reviewing the R5F100MGDFB#V0 datasheet, R5F100MGDFB#V0 pinout, R5F100MGDFB#V0 application, or R5F100MGDFB#V0 equivalent, key selection criteria include its G-grade temperature rating, LFQFP-80 package compatibility with high-density PCB layouts, real-time clock with calendar/alarm, background data flash rewriting capability, and support for multiple serial interfaces in a single-chip solution.
Technical Context
The R5F100MGDFB#V0 implements the RL78 CPU core with a 3-stage pipeline CISC architecture, supporting instruction execution times from 0.03125 μs (32 MHz HS mode) to 30.5 μs (32.768 kHz subsystem clock). It integrates a 12-bit interval timer, dedicated low-speed watchdog oscillator, and on-chip BCD correction circuit for timekeeping accuracy.
Its power management includes HALT, STOP, and SNOOZE modes, with POR and 14-level LVD for robust reset control. The DMA controller supports 4 channels with 2-clock transfers between SFR and RAM, enabling efficient peripheral-to-memory data movement without CPU intervention.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | RL78 16-bit CISC with 3-stage pipeline, 41 DMIPS @ 32 MHz |
| Flash Memory | 128 KB code flash with 1 KB block size and security lock |
| Data Flash | 8 KB with background operation (BGO) and 1M rewrite cycles |
| RAM | 12 KB on-chip SRAM, including dedicated flash library usage area at F7F00H |
| Operating Voltage | 1.6 V to 5.5 V - enables direct interface with 1.8/2.5/3.3 V peripherals |
| Temperature Range | −40°C to +105°C (G-grade industrial qualification) |
| Low-Power Modes | STOP mode draws only 0.57 μA with RTC + LVD active |
Pinout & Package
Package: 80-pin LFQFP (12 × 12 mm, 0.50-mm pitch), RoHS-compliant, moisture sensitivity level 3.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDD, VSS | Power supply and ground | Dual VDD/VSS pairs ensure stable core and I/O rail decoupling; supports 1.6–5.5 V operation |
| P00–P07 | Port 0 general-purpose I/O | Configurable as N-ch open drain (6 V tolerant), TTL input, or pull-up; supports different-potential interfacing |
| P10–P17 | Port 1 with serial functions | Multi-function pins: SCK00/SCL00, SI00/RxD0/TOOLRxD/SDA00, SO00/TxD0/TOOLTxD |
| P20–P27 | Analog input / reference | ANI0–ANI7 with AVREFP/AVREFM; internal temp sensor and 1.45 V reference available |
| RESET | Active-low reset input | Accepts external reset; internally tied to POR and LVD outputs |
| CLKP/CLKM | Crystal oscillator inputs | Supports 32.768 kHz crystal for RTC; also accepts external clock source |
Key Features
| Feature | Design Value |
|---|---|
| Ultra-low-power STOP mode | 0.57 μA current draw with RTC and LVD active - extends battery life in always-on sensing nodes |
| Background data flash rewrite | Execute program code from flash while updating data flash - enables seamless firmware parameter updates |
| On-chip debug & self-programming | Full on-chip debug via TOOLx pins; boot swap and flash shield window prevent unauthorized reprogramming |
| Multi-protocol serial interface | Up to 10 I²C/Simplified I²C, 4 UART/LIN, and 8 CSI channels - reduces need for external protocol bridges |
| Real-time clock with calendar | 99-year calendar, alarm, and clock correction - eliminates external RTC IC in time-stamped logging applications |
Applications
| Smart Energy Metering | Industrial Sensor Node |
|---|---|
Use Scenario: Utility-grade electricity meter with tamper detection, load profiling, and secure data logging. IC Role / Device Role / Timing Role: Main system controller managing metrology ADC sampling, RTC-based timestamping, secure flash storage, and RS-485/PLC communication. Use Value: Integrated 10-bit ADC (26 ch), 8 KB data flash with 1M rewrite cycles, and −40°C to +105°C operation ensure long-term reliability in outdoor meter enclosures. | Use Scenario: Wireless vibration/temperature sensor node in predictive maintenance systems. IC Role / Device Role / Timing Role: Low-power host MCU acquiring analog/digital sensor data, performing edge preprocessing, and scheduling BLE/Wi-Fi transmissions. Use Value: 0.57 μA STOP mode with RTC enables multi-year battery life; on-chip LVD prevents brownout-induced corruption during intermittent power events. |
| Home Appliance Control | Building Automation Panel |
Use Scenario: Washing machine main control board requiring motor drive timing, user interface, and safety monitoring. IC Role / Device Role / Timing Role: Central controller coordinating PWM motor drivers, touch keypad scanning, buzzer output, and fault-safe shutdown logic. Use Value: On-chip clock output/buzzer controller and key interrupt function simplify hardware design; 128 KB flash accommodates complex state machines and OTA update space. | Use Scenario: HVAC zone controller with display, environmental sensing, and Modbus RTU communication. IC Role / Device Role / Timing Role: Interface hub managing I²C temperature/humidity sensors, SPI display driver, UART Modbus interface, and real-time scheduling. Use Value: 10 I²C channels and 4 UARTs allow direct connection of multiple subsystems without bus expanders; G-grade rating ensures stability in unconditioned mechanical rooms. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| R5F100MGAFB#V0 | Same 128 KB flash, 8 KB data flash, 12 KB RAM, but A-grade (−40°C to +85°C) temperature range | Suitable for consumer or indoor industrial use where extended temperature is not required | Select when cost optimization is prioritized over extended thermal margin |
| R5F100LHDFB#V0 | 64-pin LFQFP, 96 KB flash, 8 KB data flash, 8 KB RAM, same G-grade rating and peripheral set | Lower pin count and memory - fits compact designs with reduced I/O and code footprint needs | Choose for space-constrained boards where 64-pin layout and <100 KB code size suffice |
Compared with R5F100MGDFB#V0, R5F100MGAFB#V0 trades industrial temperature tolerance for lower cost, while R5F100LHDFB#V0 reduces package size and memory to meet smaller-scale embedded control requirements without sacrificing G-grade reliability or core peripheral functionality.
Availability
R5F100MGDFB#V0 is available at Aetrix Electronics and suitable for smart metering, industrial sensor nodes, home appliance control, and building automation systems requiring stable component supply across extended temperature ranges and long product lifecycles.
Supply support for R5F100MGDFB#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 global semiconductor leader specializing in microcontrollers, analog, power, and SoC solutions for automotive, industrial, and IoT markets.
The RL78/G13 product line delivers true low-power 16-bit MCUs optimized for cost-sensitive, battery-operated, and thermally demanding embedded applications - combining ultra-low active and standby current with rich analog and communication peripherals.
FAQ
What is the maximum operating frequency of the R5F100MGDFB#V0?
The R5F100MGDFB#V0 supports a maximum CPU clock frequency of 32 MHz using the high-speed on-chip oscillator, delivering 41 DMIPS performance. Its minimum instruction execution time is 0.03125 μs under this condition, and it can scale down to 32.768 kHz for ultra-low-power RTC operation with 30.5 μs per instruction.
Does the R5F100MGDFB#V0 support in-system programming and debugging?
Yes, the R5F100MGDFB#V0 includes full on-chip debug functionality accessible via TOOLRxD/TOOLTxD pins, and supports self-programming of both code and data flash memory. It features boot swap and flash shield window functions to protect firmware integrity during field updates.
What are the memory resources allocated for flash library usage in the R5F100MGDFB#V0?
The R5F100MGDFB#V0 uses the RAM area starting at address F7F00H for flash library operations during self-programming and data flash rewriting. This allocation is fixed for all R5F100xL and R5F101xL variants, ensuring deterministic memory mapping for certified flash routines.
How many analog input channels does the R5F100MGDFB#V0 support, and what is the ADC resolution?
The R5F100MGDFB#V0 integrates a 10-bit successive approximation ADC with up to 26 analog input channels (ANI0–ANI25), operating across the full 1.6–5.5 V supply range. It includes an internal 1.45 V reference voltage and temperature sensor, selectable only in high-speed (HS) mode.
Is the R5F100MGDFB#V0 pin-compatible with other RL78/G13 family members in the same package?
Yes, the R5F100MGDFB#V0 shares identical pinout and electrical characteristics with all other 80-pin LFQFP variants in the RL78/G13 family (e.g., R5F100MHDFB#V0, R5F100MJDFB#V0), enabling drop-in replacement within the same memory and temperature grade group - provided software configuration matches the specific variant's resource allocation.
R5F100MGDFB#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:
- 128KB (128K x 8)
- Program Memory Type:
- FLASH
- EEPROM Size:
- 8K x 8
- RAM Size:
- 12K 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:
R5F100MGDFB#V0 FAQ
1.How can I place an order for R5F100MGDFB#V0 through Aetrix?
Please submit a Request for Quotation (RFQ) for R5F100MGDFB#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 R5F100MGDFB#V0 reliable?
The price and inventory of R5F100MGDFB#V0 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for R5F100MGDFB#V0 is usually 5 days.
3.What payment methods are accepted for R5F100MGDFB#V0?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for R5F100MGDFB#V0 transactions.
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4.How is shipping managed for R5F100MGDFB#V0?
R5F100MGDFB#V0 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your R5F100MGDFB#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 R5F100MGDFB#V0?
For technical support, including R5F100MGDFB#V0 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your R5F100MGDFB#V0 requirements.
6.How does Aetrix verify that R5F100MGDFB#V0 is sourced from the original manufacturer or authorized distributors?
All R5F100MGDFB#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 R5F100MGDFB#V0 meets industry standards.
7.What is the process for return or replacement of R5F100MGDFB#V0?
All R5F100MGDFB#V0 units undergo pre-shipment inspection (PSI). If there is an issue with R5F100MGDFB#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 R5F100MGDFB#V0 part is unused and in its original packaging.
Return procedure for R5F100MGDFB#V0:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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