Renesas R5F100FFDFP#X0
- Part No.:
- R5F100FFDFP#X0
- Manufacturer:
- Renesas
- Category:
- Microcontrollers
- Package:
- 44-LQFP
- Datasheet:
-
R5F100FFDFP#X0.pdf
- Description:
- IC MCU 16BIT 96KB FLASH 44LQFP
- Quantity:
- Payment:

- Shipping:

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Product details
Overview
R5F100FFDFP#X0 from Renesas is a 44-pin LQFP-0.8mm-pitch 16-bit RL78/G13 microcontroller with 96 KB flash, 4 KB data flash, 4 KB RAM, 32 MHz max CPU speed, and ultra-low-power operation (66 μA/MHz active, 0.57 μA RTC+LVD mode), deployed in industrial control panels, sensor nodes, and battery-powered HMI systems.
For engineers reviewing the R5F100FFDFP#X0 datasheet, R5F100FFDFP#X0 pinout, R5F100FFDFP#X0 application, or R5F100FFDFP#X0 equivalent, key selection criteria include its integrated RTC with calendar/alarm, 10-bit 26-channel ADC with internal temperature sensor, dual UART/LIN support, and industrial-grade -40°C to +85°C operation with LQFP packaging for reliable PCB assembly.
Technical Context
The R5F100FFDFP#X0 implements the RL78 CISC CPU core with 3-stage pipeline, supporting instruction execution times from 0.03125 μs (32 MHz HS mode) to 30.5 μs (32.768 kHz subsystem clock), and features a unified 1 MB address space with four register banks of eight 8-bit registers each.
It integrates a high-accuracy ±1.0% on-chip oscillator (1–32 MHz selectable), DMA controller with 4 channels, 16-bit timer array (12 channels), real-time clock with calendar and clock correction, and 10-bit A/D converter with internal 1.45 V reference and temperature sensor-enabling autonomous low-power sensing without external components.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core Architecture | RL78 16-bit CISC with 3-stage pipeline and 1 MB address space |
| Max Operating Frequency | 32 MHz - delivers 41 DMIPS for deterministic real-time control |
| Memory Configuration | 96 KB code flash + 4 KB data flash + 4 KB RAM - supports firmware updates and parameter logging |
| Power Consumption | 66 μA/MHz active, 0.57 μA in STOP mode with RTC+LVD - enables multi-year battery life |
| Analog Peripherals | 10-bit 26-channel ADC with internal 1.45 V reference and temperature sensor - eliminates external calibration components |
| Serial Interfaces | 2 UART/LIN, 3 I²C, 2 CSI (SPI-compatible) - provides flexible connectivity for sensors and displays |
| Timers & RTC | 12× 16-bit timers, 1× 12-bit interval timer, 1× calendar RTC with alarm/correction - enables precise scheduling and time-stamped events |
Pinout & Package
LQFP-44 package (10 × 10 mm, 0.8 mm pitch), lead-free, RoHS-compliant, rated for industrial temperature range (-40°C to +85°C).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| P10/SCK00/SCL00 | Port 10 / SPI Clock / I²C Clock | Multi-function pin supporting synchronous serial communication or I²C master/slave timing |
| P11/SI00/RxD0/TOOLRxD/SDA00 | Port 11 / SPI Input / UART0 RX / Debug RX / I²C Data | Shared signal path enabling debug interface reuse and protocol flexibility on single pin |
| P12/SO00/TxD0/TOOLTxD/SDA00 | Port 12 / SPI Output / UART0 TX / Debug TX / I²C Data | Enables full-duplex UART/SPI/I²C operation with hardware-assisted tool communication |
| P13/INTP0/TOOLCLK | Port 13 / External Interrupt 0 / Debug Clock | Supports both edge-triggered system wake-up and synchronized debug session timing |
| P14/INTP1/CLKOUT | Port 14 / External Interrupt 1 / System Clock Output | Allows external monitoring of CPU clock or use as timing reference for peripheral synchronization |
| P15/INTP2/BUZZ | Port 15 / External Interrupt 2 / Buzzer Drive | Direct PWM-capable output for audible alerts without external driver circuitry |
| P20/ANI0/AVREFP | Port 20 / Analog Input 0 / ADC Reference Positive | Configurable as analog input or precision voltage reference source for ADC accuracy |
| P21/ANI1/AVREFM | Port 21 / Analog Input 1 / ADC Reference Negative | Provides differential reference capability for ratiometric sensor measurements |
Key Features
| Feature | Design Value |
|---|---|
| Ultra-low-power STOP mode (0.57 μA) | RTC and LVD remain active during deep sleep, enabling long-term event-triggered wake-up |
| Self-programmable flash with boot swap | Enables field firmware updates with zero downtime and rollback safety via dual-bank mechanism |
| Background operation (BGO) for data flash | Permits concurrent program execution and non-volatile parameter writes without interrupt latency |
| On-chip voltage detector (14-level LVD) | Configurable reset/interrupt thresholds protect against brown-out while minimizing false triggers |
| Hardware multiplier/divider/MAC | Accelerates math-intensive tasks like PID control or sensor fusion without CPU overhead |
| DMA with 2-clock transfer cycle | Reduces CPU load for memory-to-peripheral transfers, improving real-time response consistency |
Applications
| Industrial Sensor Node | Smart Thermostat Controller |
|---|---|
|
Use Scenario: Battery-powered environmental monitor collecting temperature, humidity, and air quality data at 10-minute intervals. IC Role / Device Role / Timing Role: Central MCU managing sensor polling, ADC conversion, RTC-timed data logging, and low-power wireless transmission. Use Value: 0.57 μA STOP mode extends 2xAA battery life beyond 5 years; integrated temperature sensor eliminates calibration drift compensation. |
Use Scenario: Residential HVAC controller with LCD display, push-button interface, and relay-driven heating/cooling stages. IC Role / Device Role / Timing Role: Main system controller handling user input, display refresh, relay timing, and ambient temperature regulation via PID loop. Use Value: 12× 16-bit timers enable precise PWM for fan speed control and relay debouncing; built-in buzzer drive simplifies audio feedback design. |
| Programmable Logic Relay | Industrial HMI Keypad |
|
Use Scenario: DIN-rail mounted relay module executing ladder logic for machine safety interlocks and status monitoring. IC Role / Device Role / Timing Role: Real-time logic executor with deterministic 32 MHz instruction throughput and interrupt-latency guarantees. Use Value: 41 DMIPS performance meets IEC 61131-3 scan-time requirements; dual UART supports Modbus RTU master/slave simultaneously. |
Use Scenario: Panel-mounted keypad with LED indicators, tactile buttons, and RS-485 backhaul to PLC or gateway. IC Role / Device Role / Timing Role: Interface processor managing key scanning, LED multiplexing, and isolated serial communication. Use Value: On-chip key interrupt function reduces polling overhead; 26-channel ADC supports analog potentiometer inputs and voltage monitoring. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| R5F100FGDFP#X0 | 128 KB flash, same 44-pin LQFP package, identical peripherals and power specs | Higher firmware capacity for complex protocols or OTA update partitions | Select when future feature expansion or larger bootloader requirements exist |
| R5F101FFDFP#X0 | No data flash memory; otherwise identical pinout, clock, and peripheral set | Eliminates background data logging but reduces cost and die size | Choose for fixed-parameter applications where EEPROM emulation is unnecessary |
Compared with R5F100FFDFP#X0, R5F100FGDFP#X0 offers headroom for firmware growth without layout change, while R5F101FFDFP#X0 trades data flash capability for lower unit cost in static-configuration deployments.
Availability
R5F100FFDFP#X0 is available at Aetrix Electronics and suitable for industrial sensor nodes, smart thermostat controllers, and programmable logic relays requiring stable component supply across extended production lifecycles.
Supply support for R5F100FFDFP#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, 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 industrial control applications demanding robustness, integrated analog, and long-term supply assurance.
FAQ
What is the operating voltage range for the R5F100FFDFP#X0?
The R5F100FFDFP#X0 operates from 1.6 V to 5.5 V, enabling direct compatibility with common battery chemistries (e.g., 2× AA, Li-ion, or 3.3 V/5 V rails) without external regulators. This wide range supports brown-out resilience and mixed-voltage system interfacing, and is fully validated across the industrial temperature range (-40°C to +85°C).
Does the R5F100FFDFP#X0 include an integrated temperature sensor?
Yes, the R5F100FFDFP#X0 includes an on-chip temperature sensor usable with the 10-bit ADC. It is factory-calibrated and accessible via dedicated ANI channel, delivering typical accuracy of ±3°C over -40°C to +85°C. The sensor requires no external components and functions in all low-power modes where the ADC remains enabled.
How many UART channels does the R5F100FFDFP#X0 support, and do they support LIN bus?
The R5F100FFDFP#X0 supports two UART channels (UART0 and UART1), both with full LIN bus physical layer compliance per ISO 17987-4. Each UART includes automatic LIN header detection, checksum generation/verification, and configurable baud rates down to 1.2 kbps - enabling direct integration into automotive body electronics and industrial sub-networks.
What debug interface does the R5F100FFDFP#X0 use, and what pins are required?
The R5F100FFDFP#X0 uses Renesas' on-chip debug interface via dedicated TOOLRxD, TOOLTxD, and TOOLCLK pins (P11, P12, P13). No external JTAG adapter is needed - standard E2 emulator or E2 Lite connects directly using these three signals plus VDD and GND, supporting full break/trace functionality without footprint penalty.
Can the R5F100FFDFP#X0 execute code while rewriting data flash memory?
Yes, the R5F100FFDFP#X0 supports background operation (BGO) for data flash. When enabled, the CPU can fetch and execute instructions from code flash while the data flash is being rewritten - ensuring uninterrupted real-time task execution during parameter updates or firmware configuration changes.
R5F100FFDFP#X0 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Renesas
- Package/Case:
- 44-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:
- 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#X0 FAQ
1.How can I place an order for R5F100FFDFP#X0 through Aetrix?
Please submit a Request for Quotation (RFQ) for R5F100FFDFP#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 R5F100FFDFP#X0 reliable?
The price and inventory of R5F100FFDFP#X0 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for R5F100FFDFP#X0 is usually 5 days.
3.What payment methods are accepted for R5F100FFDFP#X0?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for R5F100FFDFP#X0 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for R5F100FFDFP#X0?
R5F100FFDFP#X0 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your R5F100FFDFP#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 R5F100FFDFP#X0?
For technical support, including R5F100FFDFP#X0 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your R5F100FFDFP#X0 requirements.
6.How does Aetrix verify that R5F100FFDFP#X0 is sourced from the original manufacturer or authorized distributors?
All R5F100FFDFP#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 R5F100FFDFP#X0 meets industry standards.
7.What is the process for return or replacement of R5F100FFDFP#X0?
All R5F100FFDFP#X0 units undergo pre-shipment inspection (PSI). If there is an issue with R5F100FFDFP#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 R5F100FFDFP#X0 part is unused and in its original packaging.
Return procedure for R5F100FFDFP#X0:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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