Renesas R5F100FFDFP#50
- Part No.:
- R5F100FFDFP#50
- Manufacturer:
- Renesas
- Category:
- Microcontrollers
- Package:
- 44-LQFP
- Datasheet:
-
R5F100FFDFP#50.pdf
- Description:
- IC MCU 16BIT 96KB FLASH 44LQFP
- Quantity:
- Payment:

- Shipping:

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Product details
Overview
R5F100FFDFP#50 from Renesas is a 44-pin LQFP-44, 16-bit RL78/G13 microcontroller with 96 KB flash, 8 KB data flash, 4 KB RAM, 10-bit ADC (16 channels), RTC, and ultra-low-power operation (0.57 μA in STOP mode). It targets battery-powered industrial sensors and smart metering interfaces requiring precise timing and mixed-signal control.
For engineers reviewing the R5F100FFDFP#50 datasheet, R5F100FFDFP#50 pinout, R5F100FFDFP#50 application, or R5F100FFDFP#50 equivalent, key selection criteria include its 44-pin LQFP package, integrated RTC + LVD, 10-bit ADC with 16 analog inputs, 32 MHz max CPU speed, and support for LIN-bus UART and I²C peripherals in industrial temperature range (−40°C to +85°C).
Technical Context
The R5F100FFDFP#50 implements the RL78 CPU core with 3-stage pipeline, supporting instruction execution times from 0.03125 μs (32 MHz) to 30.5 μs (32.768 kHz), enabling dynamic clock scaling across active, HALT, STOP, and SNOOZE modes. Its memory subsystem includes 96 KB code flash (1 KB block size), 8 KB data flash with background operation (BGO), and 4 KB SRAM.
Peripherals include dual UART/LIN channels, up to 10 I²C/Simplified I²C interfaces, 2–4 DMA channels, 16-bit timers (12 channels), real-time clock with calendar/alarm, and 10-bit A/D converter with internal 1.45 V reference and temperature sensor - all operating from 1.6–5.5 V supply.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core Architecture | RL78 16-bit CISC with 3-stage pipeline and variable-speed instruction execution (0.03125–30.5 μs) |
| Max Operating Frequency | 32 MHz - delivers 41 DMIPS performance for real-time control loops and protocol stacks |
| Flash Memory | 96 KB code flash with 1 KB erase blocks, self-programming, boot swap, and flash shield window |
| Data Flash | 8 KB with background operation (BGO), 1M write cycles, rewrite voltage 1.8–5.5 V |
| ADC Resolution & Channels | 10-bit resolution, 16 analog input channels, internal 1.45 V reference, and on-chip temperature sensor |
| Power Modes | HALT (66 μA/MHz), STOP (0.57 μA with RTC+LVD active), SNOOZE - enables multi-year battery life |
| Operating Temperature | −40°C to +85°C (Industrial grade D-spec) - qualified for harsh factory-floor environments |
Pinout & Package
Package: 44-pin LQFP (10 × 10 mm, 0.8-mm pitch), RoHS-compliant, surface-mountable with standard reflow profile.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDD, VSS | Power supply and ground | Dual power domains support stable 1.6–5.5 V operation; decoupling required per datasheet layout guidelines |
| P10/SCK00/SCL00 | Port 10 / SPI clock / I²C clock | Multi-function pin enabling hardware SPI master/slave or I²C bus communication without GPIO overhead |
| P11/SI00/RxD0/TOOLRxD/SDA00 | Port 11 / SPI input / UART0 RX / debug RX / I²C data | Shared serial interface pin supports toolchain debugging (TOOLRxD), LIN-capable UART, and I²C slave/master |
| P12/SO00/TxD0/TOOLTxD/SDA01 | Port 12 / SPI output / UART0 TX / debug TX / I²C data | Enables full-duplex UART/LIN, SPI, or I²C communication while retaining debug visibility via TOOLTXD |
| P13/INTP0/TOOLCLK | Port 13 / external interrupt / debug clock | Hardware interrupt input with configurable edge sensitivity; also serves as JTAG/SWJ clock during programming |
| P20/ANI0/AVREFP | Analog input 0 / ADC reference positive | Primary analog channel and selectable ADC reference voltage source - critical for precision sensor signal conditioning |
| P21/ANI1/AVREFM | Analog input 1 / ADC reference negative | Second analog input and complementary ADC reference rail - enables ratiometric measurements and noise rejection |
| RESET | Active-low reset input | Accepts external reset assertion; internally tied to on-chip POR and LVD circuits for fail-safe startup |
Key Features
| Feature | Design Value |
|---|---|
| Ultra-low-power STOP mode | 0.57 μA with RTC and LVD active - enables decade-scale battery operation in remote monitoring nodes |
| On-chip RTC with calendar | 99-year calendar, alarm, and clock correction - eliminates external real-time clock IC and associated BOM cost |
| Background data flash rewrite | Execute code from flash while rewriting data flash - enables firmware updates and logging without system interruption |
| LIN-bus compatible UART | UART0 supports LIN 2.2 physical layer timing and checksum - simplifies automotive body electronics integration |
| Temperature sensor + 1.45 V reference | Integrated analog front-end reduces component count for thermal compensation and voltage monitoring |
| Hardware multiplier/divider | 16×16→32-bit multiply, 32÷32→32-bit divide, and MAC operations - accelerates motor control and filtering algorithms |
Applications
| Smart Energy Metering | Industrial Sensor Node |
|---|---|
|
Use Scenario: Bidirectional energy measurement with tamper detection, time-of-use billing, and wireless reporting. IC Role / Device Role / Timing Role: Main controller managing metrology ADC, RTC-based tariff switching, secure flash storage for logs, and UART/LIN for HAN communication. Use Value: Integrated 10-bit ADC with 16 channels and on-chip temperature sensor enable direct interfacing to shunt/resistor-based current sensing and thermal derating logic. |
Use Scenario: Wireless vibration/temperature node in predictive maintenance systems with multi-year battery life. IC Role / Device Role / Timing Role: Low-power acquisition engine sampling analog sensors, timestamping events via RTC, and triggering BLE/Wi-Fi wake-up on threshold breach. Use Value: 0.57 μA STOP mode with RTC active allows precise event scheduling while minimizing quiescent current - extending battery life beyond 5 years. |
| Home Appliance Control | Building Automation Panel |
|
Use Scenario: Washing machine mainboard managing motor drive, water level, temperature, and user interface. IC Role / Device Role / Timing Role: Real-time coordinator of PWM motor control, ADC-based thermistor readings, keypad scan, buzzer output, and display driver interface. Use Value: Hardware multiplier and 16-bit timers enable efficient field-oriented control (FOC) loop execution at 32 MHz without external DSP. |
Use Scenario: HVAC zone controller with occupancy sensing, CO₂ monitoring, and damper actuation. IC Role / Device Role / Timing Role: Central hub aggregating I²C sensor data (CO₂, humidity), driving relay outputs, and communicating via UART to building management system. Use Value: Up to 10 I²C channels allow daisy-chained sensor networks without external bus expanders - reducing PCB area and bill-of-materials. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| R5F100FGDFP#50 | 128 KB flash, 8 KB data flash, 8 KB RAM - identical package and peripheral set | Supports larger firmware images and more complex protocol stacks (e.g., Modbus TCP offload) | Select when firmware size exceeds 96 KB or additional RAM is needed for buffering network packets |
| R5F101FFDFP#50 | No data flash (4 KB RAM only); same core, package, and peripheral configuration | Lower-cost option where non-volatile parameter storage is handled externally or not required | Choose when data logging or field-upgradable calibration tables are unnecessary - reduces unit cost |
Compared with R5F100FFDFP#50, R5F100FGDFP#50 offers scalable code density for evolving firmware, while R5F101FFDFP#50 removes data flash to lower gate count and cost - both retain identical pinout, timing, and peripheral compatibility for drop-in layout reuse.
Availability
R5F100FFDFP#50 is available at Aetrix Electronics and suitable for industrial sensor nodes, smart metering interfaces, and home appliance control systems requiring stable component supply across multi-year production cycles.
Supply support for R5F100FFDFP#50 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 industrial, automotive, and IoT markets.
The RL78/G13 product line delivers true low-power 16-bit MCUs optimized for cost-sensitive, battery-operated, and industrial control applications - balancing performance, integration, and energy efficiency.
FAQ
What is the maximum operating frequency and corresponding performance of the R5F100FFDFP#50?
The R5F100FFDFP#50 operates at up to 32 MHz using its high-speed on-chip oscillator, delivering 41 DMIPS of processing performance. This enables deterministic execution of real-time control algorithms, communication stacks (LIN, I²C), and sensor fusion routines within tight timing budgets.
Does the R5F100FFDFP#50 include an integrated real-time clock (RTC)?
Yes, the R5F100FFDFP#50 integrates a full-featured RTC with calendar function (99-year range), alarm capability, and clock correction - all operational in STOP mode at 0.57 μA. No external crystal or RTC IC is required for time-stamped logging or scheduled wake-up.
What analog features does the R5F100FFDFP#50 provide for sensor interfacing?
The R5F100FFDFP#50 includes a 10-bit A/D converter with 16 analog input channels, internal 1.45 V reference voltage, and an on-chip temperature sensor. These features support direct connection of thermistors, current shunts, and voltage dividers without external signal conditioning components.
Is the R5F100FFDFP#50 qualified for industrial temperature operation?
Yes, the R5F100FFDFP#50 is rated for −40°C to +85°C ambient operation (D-grade), making it suitable for factory automation, building controls, and outdoor metering equipment exposed to wide thermal swings and electrical noise.
How does the data flash memory in the R5F100FFDFP#50 support firmware updates?
The R5F100FFDFP#50 provides 8 KB of data flash with background operation (BGO), allowing the MCU to execute application code from program flash while simultaneously rewriting data flash - enabling seamless over-the-air (OTA) parameter updates and secure firmware patching without system downtime.
R5F100FFDFP#50 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Renesas
- Package/Case:
- 44-LQFP
- Series:
- RL78/G13
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- 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:
- 31
- 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 10x8/10b
- Oscillator Type:
- Internal
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
R5F100FFDFP#50 FAQ
1.How can I place an order for R5F100FFDFP#50 through Aetrix?
Please submit a Request for Quotation (RFQ) for R5F100FFDFP#50 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 R5F100FFDFP#50 reliable?
The price and inventory of R5F100FFDFP#50 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for R5F100FFDFP#50 is usually 5 days.
3.What payment methods are accepted for R5F100FFDFP#50?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for R5F100FFDFP#50 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for R5F100FFDFP#50?
R5F100FFDFP#50 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your R5F100FFDFP#50 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 R5F100FFDFP#50?
For technical support, including R5F100FFDFP#50 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your R5F100FFDFP#50 requirements.
6.How does Aetrix verify that R5F100FFDFP#50 is sourced from the original manufacturer or authorized distributors?
All R5F100FFDFP#50 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 R5F100FFDFP#50 meets industry standards.
7.What is the process for return or replacement of R5F100FFDFP#50?
All R5F100FFDFP#50 units undergo pre-shipment inspection (PSI). If there is an issue with R5F100FFDFP#50, 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 R5F100FFDFP#50 part is unused and in its original packaging.
Return procedure for R5F100FFDFP#50:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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