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Renesas R5F100LFDFA#X0
- Part No.:
- R5F100LFDFA#X0
- Manufacturer:
- Renesas
- Category:
- Microcontrollers
- Package:
- 64-LQFP
- Datasheet:
-
R5F100LFDFA#X0.pdf
- Description:
- IC MCU 16BIT 96KB FLASH 64LQFP
- Quantity:
- Payment:
- Shipping:
Inventory:2,805
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Product details
Overview
R5F100LFDFA#X0 from Renesas is a 64-pin LQFP-0.65mm MCU in the RL78/G13 family, featuring 96 KB flash, 8 KB data flash, 8 KB RAM, 16-bit RL78 CPU core, and ultra-low-power operation (66 μA/MHz active, 0.57 μA RTC+LVD mode) for industrial control, sensor nodes, and battery-powered HMI.
For engineers reviewing the R5F100LFDFA#X0 datasheet, R5F100LFDFA#X0 pinout, R5F100LFDFA#X0 application, or R5F100LFDFA#X0 equivalent, key selection criteria include its 64-pin LQFP package with 52 I/Os, integrated RTC + LVD, 10-bit 26-channel ADC, dual UART/LIN support, and industrial-grade -40°C to +85°C operation with data flash self-programming capability.
Technical Context
The R5F100LFDFA#X0 implements the RL78 CISC 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 includes on-chip debug, BGO data flash rewriting, and hardware multiplier/divider.
It integrates 2× UART/LIN, 3× I²C, up to 16× 16-bit timers (including calendar RTC), 12-bit interval timer, watchdog, DMA (4 channels), and programmable voltage detector with 14-level LVD interrupt/reset selection - all operating from 1.6–5.5 V supply.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core | RL78 16-bit CISC CPU with 3-stage pipeline and 1 MB address space |
| Flash / Data Flash / RAM | 96 KB code flash, 8 KB data flash (1M rewrite cycles), 8 KB SRAM |
| Operating Voltage | 1.6 V to 5.5 V - enables direct interface with 1.8/2.5/3.3 V peripherals |
| Power Consumption | 66 μA/MHz active; 0.57 μA in STOP mode with RTC + LVD enabled |
| ADC | 10-bit resolution, 26 input channels, internal 1.45 V reference and temperature sensor |
| Timers & RTC | 16× 16-bit timers, 1× 12-bit interval timer, 1× calendar RTC (99-year range, alarm, correction) |
| Serial Interfaces | 2× UART/LIN, 3× I²C/Simplified I²C, 2–8× CSI (SPI-compatible) channels |
Pinout & Package
Package: 64-pin LQFP (12 × 12 mm, 0.65-mm pitch), RoHS-compliant, industrial temperature grade (-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 clock for CSI0 and I²C master/slave |
| P11/SI00/RxD0/TOOLRxD/SDA00 | Port 11 / SPI Input / UART0 RX / Debug RX / I²C Data | Shared serial input path enabling flexible peripheral routing and on-chip debugging |
| P12/SO00/TxD0/TOOLTxD/SDA00 | Port 12 / SPI Output / UART0 TX / Debug TX / I²C Data | Enables full-duplex UART/LIN, SPI, and I²C communication on same physical pins |
| P13/INTP3/TOOLCLK | Port 13 / External Interrupt / Debug Clock | Dedicated external interrupt input with configurable edge sensitivity and debug clock input |
| P14/INTP4/CLKOUT | Port 14 / External Interrupt / Clock Output | Provides system clock output for trace/debug or peripheral synchronization |
| P15/INTP5/BUZZ | Port 15 / External Interrupt / Buzzer Output | Drives piezoelectric buzzer directly via PWM-controlled output without external driver |
| P20/ANI0/AVREFP | Analog Input 0 / ADC Reference Positive | Primary analog input channel and selectable positive reference for ADC measurements |
| P21/ANI1/AVREFM | Analog Input 1 / ADC Reference Negative | Secondary analog input and negative reference for differential ADC operation |
Key Features
| Feature | Design Value |
|---|---|
| Ultra-low-power STOP mode | 0.57 μA retention with RTC + LVD active - extends battery life in always-on sensor nodes |
| Data flash background operation (BGO) | Execute code from flash while rewriting data flash - enables seamless firmware updates |
| Hardware multiplier/divider | 16×16→32-bit multiply, 32÷32→32-bit divide, and MAC operations - accelerates control algorithms |
| On-chip voltage detector (LVD) | 14 programmable threshold levels with interrupt or reset output - ensures reliable brown-out handling |
| Real-time clock with calendar | Full BCD calendar (year/month/day/hour/min/sec), alarm, and auto-correction - eliminates external RTC IC |
| Dual UART with LIN support | Two independent UART modules compliant with LIN 2.2 protocol - simplifies automotive body electronics integration |
Applications
| Industrial Motor Control | Smart Sensor Node |
|---|---|
Use Scenario: Compact BLDC motor controller in HVAC actuators with thermal monitoring and position feedback. IC Role / Device Role / Timing Role: Main system controller executing FOC algorithm, managing PWM generation, ADC sampling, and LIN communication to host ECU. Use Value: Integrated 10-bit 26-channel ADC, 16× timers, and LIN-capable UART reduce BOM count and PCB area versus discrete solutions. |
Use Scenario: Battery-powered environmental sensor node measuring temperature, humidity, and CO₂ with wireless upload. IC Role / Device Role / Timing Role: System-on-chip managing sensor acquisition, low-power scheduling, RTC-triggered wake-up, and serial data transmission. Use Value: 0.57 μA STOP mode with RTC enables multi-year battery life; on-chip data flash stores calibration and event logs. |
| Human-Machine Interface (HMI) | Home Appliance Control |
Use Scenario: Touch-enabled control panel for washing machines with LED indicators, buzzer alerts, and button scanning. IC Role / Device Role / Timing Role: Primary MCU handling capacitive touch sensing, real-time buzzer tone generation, and display interface timing. Use Value: On-chip buzzer output controller and key interrupt function eliminate external drivers; 52 GPIOs support matrix keypad and LED arrays. |
Use Scenario: Mainboard controller in refrigerators managing compressor, defrost heater, door sensors, and user interface. IC Role / Device Role / Timing Role: Central control unit executing safety logic, thermal monitoring, and communication with display module via I²C. Use Value: Industrial-grade -40°C to +85°C rating and built-in LVD ensure reliability across wide ambient conditions; 96 KB flash accommodates complex state machines. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| R5F101LFDFA#X0 | No data flash (0 KB); identical pinout, flash size, RAM, and peripheral set | Suitable where field firmware updates or parameter storage are unnecessary | Select when data flash functionality is unused - lower cost and same footprint |
| R5F100LGDFB#X0 | LFQFP-0.5mm (10×10 mm) package; same memory, peripherals, and electrical specs | Better suited for space-constrained designs requiring smaller footprint | Choose for higher-density layouts; requires PCB redesign due to different pitch and pad layout |
Compared with R5F100LFDFA#X0, R5F101LFDFA#X0 removes data flash to reduce cost without altering functionality, while R5F100LGDFB#X0 retains all features but shifts to a smaller 0.5-mm-pitch LFQFP - offering trade-offs between non-volatile parameter storage and board area efficiency.
Availability
R5F100LFDFA#X0 is available at Aetrix Electronics and suitable for industrial motor control, smart sensor nodes, and home appliance control requiring stable component supply, long-term lifecycle support, and industrial temperature compliance.
Supply support for R5F100LFDFA#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 ultra-low-power, cost-optimized MCUs targeting general-purpose embedded applications including appliances, industrial automation, and sensor systems - emphasizing energy efficiency, integration, and ease of development.
FAQ
What is the maximum operating frequency and corresponding power consumption of the R5F100LFDFA#X0?
The R5F100LFDFA#X0 operates up to 32 MHz using its high-speed on-chip oscillator, delivering 41 DMIPS performance at 66 μA/MHz typical active current. At 32 MHz, total active current is approximately 2.1 mA (32 MHz × 66 μA/MHz), verified under VDD = 3.3 V and TA = 25°C per R01DS0131EJ0380 Rev.3.80.
Does the R5F100LFDFA#X0 support in-system programming and secure flash protection?
Yes, the R5F100LFDFA#X0 supports full in-system programming via on-chip debug interface and includes flash shield window and block erase prohibition functions. These features prevent unauthorized readout or modification of code flash, enabling secure firmware deployment and IP protection in production environments.
How many analog input channels does the R5F100LFDFA#X0 ADC support, and what reference options are available?
The R5F100LFDFA#X0 integrates a 10-bit successive-approximation ADC with up to 26 analog input channels. It supports external reference inputs (AVREFP/AVREFM), internal 1.45 V reference, and VDD as reference - all selectable per channel via register configuration, enabling flexible precision measurement across diverse sensor types.
Can the R5F100LFDFA#X0 operate reliably in industrial temperature environments?
Yes, the R5F100LFDFA#X0 is rated for industrial operation from -40°C to +85°C (package suffix 'D'), with validated performance across this range for all core peripherals, flash, RAM, and analog functions. Its on-chip LVD and RTC remain fully functional across the entire temperature span.
What debug interfaces are supported by the R5F100LFDFA#X0, and are they accessible during normal operation?
The R5F100LFDFA#X0 supports on-chip debug via dedicated TOOLRxD/TOOLTxD/TOOLCLK pins compatible with Renesas E2 emulator. Debug functionality remains available during HALT and STOP modes, and the debug interface operates concurrently with most peripherals - enabling real-time tracing and breakpoint-based development without halting time-critical tasks.
R5F100LFDFA#X0 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Renesas
- Package/Case:
- 64-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:
- 48
- 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 12x8/10b
- Oscillator Type:
- Internal
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
R5F100LFDFA#X0 FAQ
1.How can I place an order for R5F100LFDFA#X0 through Aetrix?
Please submit a Request for Quotation (RFQ) for R5F100LFDFA#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 R5F100LFDFA#X0 reliable?
The price and inventory of R5F100LFDFA#X0 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for R5F100LFDFA#X0 is usually 5 days.
3.What payment methods are accepted for R5F100LFDFA#X0?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for R5F100LFDFA#X0 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for R5F100LFDFA#X0?
R5F100LFDFA#X0 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your R5F100LFDFA#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 R5F100LFDFA#X0?
For technical support, including R5F100LFDFA#X0 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your R5F100LFDFA#X0 requirements.
6.How does Aetrix verify that R5F100LFDFA#X0 is sourced from the original manufacturer or authorized distributors?
All R5F100LFDFA#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 R5F100LFDFA#X0 meets industry standards.
7.What is the process for return or replacement of R5F100LFDFA#X0?
All R5F100LFDFA#X0 units undergo pre-shipment inspection (PSI). If there is an issue with R5F100LFDFA#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 R5F100LFDFA#X0 part is unused and in its original packaging.
Return procedure for R5F100LFDFA#X0:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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