About us Contact Us Submit BOM
RFQs(0)
English
Close Menu
View All

Please refer to the English Version as our Official Version.Return

Europe
France(Français) Germany(Deutsch) Italy(Italia) Russian(русский) Poland(polski) Czech(Čeština) Luxembourg(Lëtzebuergesch) Netherlands(Nederland) Iceland(íslenska) Hungarian(Magyarország) Spain(español) Portugal(Português) Turkey(Türk dili) Bulgaria(Български език) Ukraine(Україна) Greece(Ελλάδα) Israel(עִבְרִית) Sweden(Svenska) Finland(Svenska) Finland(Suomi) Romania(românesc) Moldova(românesc) Slovakia(Slovenská) Denmark(Dansk) Slovenia(Slovenija) Slovenia(Hrvatska) Croatia(Hrvatska) Serbia(Hrvatska) Montenegro(Hrvatska) Bosnia and Herzegovina(Hrvatska) Lithuania(lietuvių) Spain(Português) Switzerland(Deutsch) United Kingdom(English)
Asia/Pacific
Japan(日本語) Korea(한국의) Thailand(ภาษาไทย) Malaysia(Melayu) Singapore(Melayu) Vietnam(Tiếng Việt) Philippines(Pilipino)
Africa, India and Middle East
United Arab Emirates(العربية) Iran(فارسی) Tajikistan(فارسی) India(हिंदी) Madagascar(malaɡasʲ)
South America / Oceania
New Zealand(Maori) Brazil(Português) Angola(Português) Mozambique(Português)
North America
United States(English) Canada(English) Haiti(Ayiti) Mexico(español)
HomeProductsIntegrated Circuits (ICs)Embedded - MicrocontrollersR5F100LEDFB#V0
R5F100LEDFB#V0 Image
R5F100LEDFB#V0 Image - 1
Image may be representation.
See specifications for product details.
Share
 Favorite
EXPRESS OPTION
Payment method

R5F100LEDFB#V0 - Renesas Electronics America Inc

Manufacturer Part Number
R5F100LEDFB#V0
Manufacturer
Renesas Electronics Corporation
Allelco Part Number
98D-R5F100LEDFB#V0
Warranty
1 Year Allelco Warranty - Find out more
Stock Status:
14,795 pcs available, New & Original
Parts Description
IC MCU 16BIT 64KB FLASH 64LQFP
Package
64-LFQFP (10x10)
Data sheet
R5F100LEDFB#V0.pdf

PCN Part Status Change

Mult Dev EOL 30/Mar/2018.pdf

PCN Obsolescence/ EOL

Mult Dev 22/Oct/2019.pdf
RoHs Status
ROHS3 Compliant
Compare
Our certification
In stock: 14795

Required fields are indicated by an asterisk (*)
Please send RFQ, we will respond immediately.

Quantity

Specifications

R5F100LEDFB#V0 Tech Specifications
Renesas Electronics America Inc - R5F100LEDFB#V0 technical specifications, attributes, parameters and parts with similar specifications to Renesas Electronics America Inc - R5F100LEDFB#V0

Product Attribute Attribute Value
Manufacturer Renesas Electronics Corporation
Voltage - Supply (Vcc/Vdd) 1.6V ~ 5.5V
Supplier Device Package 64-LFQFP (10x10)
Speed 32MHz
Series RL78/G13
RAM Size 4K x 8
Program Memory Type FLASH
Program Memory Size 64KB (64K x 8)
Peripherals DMA, LVD, POR, PWM, WDT
Package / Case 64-LQFP
Package Tray
Product Attribute Attribute Value
Oscillator Type Internal
Operating Temperature -40°C ~ 85°C (TA)
Number of I/O 48
Mounting Type Surface Mount
EEPROM Size 4K x 8
Data Converters A/D 12x8/10b
Core Size 16-Bit
Core Processor RL78
Connectivity CSI, I²C, LINbus, UART/USART
Base Product Number R5F100

Environmental & Export Classifications

ATTRIBUTE DESCRIPTION
RoHs Status ROHS3 Compliant
Moisture Sensitivity Level (MSL) 3 (168 Hours)
ECCN 3A991A2
HTSUS 8542.31.0001

Frequently Asked Questions(FAQ)

How does the R5F100LEDFB#V0 compare to other RL78/G13 family variants in terms of power consumption and operating voltage range when used in battery-powered embedded applications?
The R5F100LEDFB#V0 operates across a wide supply voltage range from 1.6V to 5.5V, enabling flexible integration into systems with varying power budgets. Its low-voltage capability supports energy-efficient operation in portable devices, and combined with the RL78 core’s sleep modes, it achieves typical active current consumption as low as 120 µA/MHz at 32 MHz, making it suitable for long-life battery applications where power efficiency outweighs raw speed requirements.
What are the key differences between the R5F100LEDFB#V0 and alternative part numbers like R5F100LEAFB#30 or R5F109LECJFB#10 in terms of memory configuration and package compatibility for legacy PCB designs?
While all three share the same base R5F100 microcontroller core, the R5F100LEDFB#V0 features 64KB of flash and 4KB of RAM, whereas the R5F109LECJFB#10 offers 128KB flash and 8KB RAM, providing greater code density for complex firmware. However, only the R5F100LEDFB#V0 is available in the 64-LQFP (10x10) package, ensuring footprint compatibility with existing designs targeting space-constrained applications without requiring layout changes.
Can the R5F100LEDFB#V0 be used reliably in industrial environments with temperature fluctuations between -40°C and +85°C, and what design precautions should be taken regarding clock stability?
Yes, the R5F100LEDFB#V0 is rated for commercial industrial temperatures from -40°C to 85°C, making it suitable for automotive edge cases and outdoor instrumentation. However, internal oscillator accuracy degrades with temperature; users must apply calibration routines or pair it with an external crystal if timing-critical peripherals like UART baud rate generators are employed, especially near the extremes of the operating range.
What is the impact of the R5F100LEDFB#V0’s internal oscillator on timing-sensitive communication protocols such as I2C or LINbus over longer cable runs?
The R5F100LEDFB#V0 includes an integrated internal oscillator running at 32 MHz, but its ±2% tolerance may cause timing errors in precise protocols like I2C or LINbus under temperature variation or supply noise. For robust multi-node networks, designers often bypass this by using an external 16 MHz crystal to ensure consistent bit timing, reducing protocol errors in real-world deployments.
How much program memory overhead does typical RL78/G13 firmware require, and can the R5F100LEDFB#V0 accommodate complex control algorithms without external memory expansion?
A well-optimized RL78 application typically uses 40–60 KB of flash, depending on features enabled. The R5F100LEDFB#V0 provides exactly 64 KB of flash, which comfortably accommodates moderate-complexity motor control, sensor fusion, or communication stacks—provided code is compiled with size optimization flags and unused peripheral libraries are excluded via linker configuration.
Is the R5F100LEDFB#V0 suitable for safety-critical applications requiring watchdog functionality and brown-out detection, and how do its built-in peripherals support fail-safe operation?
The R5F100LEDFB#V0 integrates both a Window Watchdog Timer (WDT) and Low-Voltage Detection (LVD), which activate upon supply droop or software hangs. These can be configured to trigger system resets or enter a safe state, meeting basic functional safety needs for Class B applications per IEC 61508. However, full certification would require additional hardware diagnostics and redundancy beyond MCU capabilities alone.
What considerations apply when interfacing the R5F100LEDFB#V0’s 48 GPIO pins to mechanical switches or sensors in noisy environments, and does it include protection features against electrostatic discharge?
While the R5F100LEDFB#V0 lacks built-in ESD protection diodes on all pins, external clamping circuits should be added for user-facing interfaces. Additionally, GPIOs driving inductive loads or long cables benefit from series resistors and flyback diodes. Internal pull-up/down resistors help stabilize inputs during startup but may require external filtering for contact bounce in switch matrices.
How does the R5F100LEDFB#V0’s DMA controller improve performance in data-intensive tasks like ADC sampling or UART buffering, and what limitations exist in channel allocation?
The R5F100LEDFB#V0 supports one DMA channel that can transfer data between memory and peripherals without CPU intervention, significantly reducing latency in continuous ADC conversions—up to 8 channels sampled simultaneously at 10-bit resolution. However, only one transfer direction (e.g., memory-to-peripheral or vice versa) is supported at a time per channel, limiting concurrent bidirectional traffic unless software manages arbitration carefully.
Can the R5F100LEDFB#V0 drive high-current loads directly through its GPIOs, and what external circuitry is recommended for relay or LED matrix applications?
No; GPIOs on the R5F100LEDFB#V0 are rated for a maximum of 20 mA output current per pin and 50 mA total across all ports. Driving relays or large LED arrays requires transistor drivers or shift registers. For PWM-driven LEDs, use MOSFETs with gate control to avoid exceeding current limits while achieving brightness modulation.
What development tools and IDE support are available for programming and debugging the R5F100LEDFB#V0, and are third-party compilers viable for production code?
Renesas provides e² Studio IDE with native RL78 support, including simulation and flash programming. Third-party compilers like GCC for RL78 are also available and produce efficient code comparable to vendor toolchains. Debugging requires an E1/E2 emulator, but SWD-like interfaces may allow simpler debuggers with proper pin multiplexing configuration.
How does the R5F100LEDFB#V0 handle power sequencing when transitioning between active and sleep modes, and could improper transitions cause unintended wake-ups?
The device includes Power-on Reset (POR) and Brown-out Reset (BOR) circuits that prevent erratic behavior during voltage ramp-up. However, analog peripherals like the ADC must be explicitly powered down before entering deep sleep to avoid leakage currents. Unstable supplies during transition may trigger false LVD events, causing premature wake-ups—hence decoupling capacitors and soft-start regulators are advised.
Are there known issues with flash memory retention in the R5F100LEDFB#V0 under extended storage conditions, and how does this affect long-term product lifecycle management?
Flash retention is specified for 10 years at 85°C, but accelerated aging studies suggest degradation accelerates above 70°C. For products stored in warm environments, periodic firmware reloads or backup EEPROM usage (the R5F100LEDFB#V0 includes 4 KB EEPROM) may be necessary. This informs shelf-life planning and field update strategies for mission-critical inventory.
What role does the R5F100LEDFB#V0 play in supporting CAN vs. LINbus network topologies, and can it act as a gateway node between different protocols?
The R5F100LEDFB#V0 natively supports LINbus and UART/USART, but not CAN. It can therefore serve as a LIN master or slave but cannot directly interface with CAN nodes. To enable CAN functionality, an external transceiver must be added, increasing bill-of-materials cost and board area compared to MCUs with integrated CAN controllers.
How does the R5F100LEDFB#V0’s internal ADC perform in noisy industrial settings, and what signal conditioning techniques are recommended before digitization?
The R5F100LEDFB#V0 features 12 independent 8-/10-bit ADCs with programmable gain, but input noise above 1 mV RMS can corrupt readings in unshielded environments. Recommended practice includes adding RC filters at inputs, using differential signaling for sensitive measurements, and averaging multiple samples to suppress quantization error and EMI-induced glitches.
What is the expected boot time after power-up for the R5F100LEDFB#V0, and how does it affect system initialization in real-time applications?
Boot time depends on clock source: with the internal oscillator, startup takes approximately 50 µs to reach stable 32 MHz operation, followed by ~2 ms for flash fetch and interrupt vector setup. In time-critical systems, this delay may necessitate a faster external clock or pre-initialized state machines that tolerate brief latency during bring-up.
Can the R5F100LEDFB#V0 emulate serial protocols using bit-banging techniques on general-purpose I/O, and what are the timing constraints for reliable UART emulation?
Yes, but only at lower baud rates due to instruction cycle variability under interrupts. Bit-banged UART on the R5F100LEDFB#V0 is feasible up to 9600 bps reliably, but higher speeds risk framing errors. Using dedicated USART peripherals is strongly preferred; software UART should only be used when hardware blocks are unavailable and timing margins are relaxed.
What precautions should be taken when soldering the R5F100LEDFB#V0 in mass production, given its Moisture Sensitivity Level (MSL) rating of 3?
As an MSL 3 component requiring handling within 168 hours of exposure, the R5F100LEDFB#V0 must undergo bake-out if stored in humid conditions beyond this window. Production lines should implement desiccated packaging and humidity monitoring. Reflow profiles must adhere to JEDEC J-STD-020, avoiding peak temperatures above 260°C to preserve flash integrity.
How does the R5F100LEDFB#V0 compare to ARM Cortex-M0+ alternatives in terms of cost, power, and development complexity for simple sensor nodes?
The R5F100LEDFB#V0 typically costs 20–30% less than equivalent Cortex-M0+ MCUs in volume, consumes slightly more active current (~120 µA/MHz vs. ~80 µA/MHz), but offers simpler tooling and no licensing fees. Development complexity is lower for basic I/O tasks, though ARM ecosystems provide richer middleware. Choice hinges on budget sensitivity versus future scalability needs.

Parts with Similar Specifications

The three parts on the right have similar specifications to Renesas Electronics America Inc R5F100LEDFB#V0

Product Attribute R5F100LEDFC#V0 R5F100LEAFB#V0 R5F100LEDFB#X0 R5F100LEDFB#50
Part Number R5F100LEDFC#V0 R5F100LEAFB#V0 R5F100LEDFB#X0 R5F100LEDFB#50
Manufacturer Renesas Electronics America Inc Renesas Electronics America Inc Renesas Electronics America Inc Renesas Electronics America Inc
Core Processor - - - -
Number of I/O - - - -
Program Memory Type - - - -
RAM Size - - - -
Oscillator Type - - - -
Package - Tape & Reel (TR) Tube Tape & Reel (TR)
Package / Case - 196-LFBGA 16-DIP (0.300', 7.62mm) 64-VFQFN Exposed Pad
Series - - - -
Data Converters - - - -
Connectivity - - - -
Supplier Device Package - 196-NFBGA (12x12) 16-PDIP 64-VQFN (9x9)
Peripherals - - - -
Program Memory Size - - - -
Speed - - - -
Core Size - - - -
Operating Temperature - -40°C ~ 85°C 0°C ~ 70°C -40°C ~ 85°C
Voltage - Supply (Vcc/Vdd) - - - -
Base Product Number - DAC34H84 MAX500 ADS62P42
Mounting Type - Surface Mount Through Hole Surface Mount
EEPROM Size - - - -

R5F100LEDFB#V0 Datasheet PDF

Download R5F100LEDFB#V0 pdf datasheets and Renesas Electronics America Inc documentation for R5F100LEDFB#V0 - Renesas Electronics America Inc.

PCN Part Status Change
Mult Dev EOL 30/Mar/2018.pdf
PCN Obsolescence/ EOL
Mult Dev 22/Oct/2019.pdf
PCN Packaging
Label Change-All Devices 01/Dec/2022.pdf

Customers Also Interested in

Recommended Products

Customer Reviews

Evaluation: 10 Articles

  • Dani***alkerTech
    Jun 1, 2026

    Product works, but setup took more effort than expected. Once configured the MCU ran reliably, although documentation support felt older compared with newer platforms. Fine for maintenance projects.

  • Yuki***aka88
    May 26, 2026

    信号通信プロジェクトでこのRS-485トランシーバーを使用しました。設置は簡単で、長距離ケーブルでも通信は安定していました。消費電力も、以前使用していたものより低くなっています。

  • Stev***aker
    May 20, 2026

    Solid diode for power rectification. Works well in switching circuits.

  • Bran***Lewis
    May 11, 2026

    Compact FPGA with good performance. Suitable for basic signal processing tasks.

  • Oliv***arris
    May 7, 2026

    Reliable I/O expander. Works well in embedded control applications.

  • Jess***Jones
    Apr 17, 2026

    It offers good value for the price, and the specifications match the description. I’ve been using it for two days with no issues, and I’ll definitely buy it again if I need it in the future.

  • Mich***Smith
    Apr 17, 2026

    Shipping was on time, the component pins are neatly aligned, and I tested 10 of them with a multimeter—all readings were within the specified range. Highly recommended.

  • Aman***arris
    Apr 3, 2026

    It was great—the entire process, from placing the order to receiving the package, went very smoothly. The components were consistent, the price was fair, and I had a very pleasant shopping experience.

  • Mike***nch
    Apr 3, 2026

    Better than expected! The resistance and capacitance readings were spot-on, and it passed the test on the first try. The service was reliable, and the packaging was thoughtful—I highly recommend it.

  • Daic***K.
    Mar 23, 2026

    Very good. No issue after long time testing.

Write a Review

Your Email address will not be published.

Shipment

Delivery Time

In-stock items can be shipped within 24 hours. Some parts will be arranged for delivery within 1-2 days from the date all items arrive at our warehouse. And Allelco ships order once a day at about 17:00, except Sunday. Once the goods are shipped, the estimated delivery time depends on the shipping methods and Delivery destination. The table below shows are the logistic time for some common countries.

Delivery Cost

  1. Use your express account for shipment if you have one.
  2. Use our account for the shipment. Refer to the table below for the approximate charges.
(Different time frame / countries / package size has different price.)

Delivery Method

  1. Global Common Shipment by DHL / UPS / FedEx / TNT / EMS / SF we support.
  2. Others more shipping ways, please get in touch with your customer manager.

Common Countries Logistic Time Reference
Region Country Logistic Time(Day)
America United States 5
Brazil 7
Europe Germany 5
United Kingdom 4
Italy 5
Oceania Australia 6
New Zealand 5
Asia India 4
Japan 4
Middle East Israel 6
DHL & FedEx Shipment Charges Reference
Shipment charges(KG) Reference DHL(USD$)
0.00kg-1.00kg USD$30.00 - USD$60.00
1.00kg-2.00kg USD$40.00 - USD$80.00
2.00kg-3.00kg USD$50.00 - USD$100.00
Note:
The above table is for reference only. There may have some data bias for the uncontrollable factors.
Contact us if you have any questions.
  • QC (Quality Warranty)
  • Payment Support
  • Packaging
  • Certifications & Memberships

QC (Quality Warranty)

Allelco is committed to exceeding customer expectations through customer service excellence, order accuracy, and on-time delivery.
This is achieved through our commitment to the continual improvement of our processes, services, and products.


Strict quality inspection builds a solid foundation for electronic component quality.
  1. Visual inspection
  2. Performance testing and reliability verification
  3. Standardized full-process testing
  4. Precise control of every parameter
We eliminate defective components and ensure the stable operation of electronic devices through professional quality standards.
Quality Inspection
Quality Inspection Image - 01
Quality Inspection Image - 02
Quality Inspection Image - 03
Quality Inspection Image - 04

Payment Support

The payment method can be chosen from the methods shown below: Wire Transfer (T/T, Bank Transfer), Western Union, Credit card, PayPal.
  • HKBea
  • Paypal
  • MasterCard
  • Western-Union
  • VISA
Stable Delivery, Sincere Partnership — Your Faithful Supply Chain Partner
  • Efficient Supply Management
  • Cost-Saving Procurement
  • Fast Sourcing & Delivery
Contact us if you have any questions.

Packaging

Electrostatic Discharge Protection and Handling

All electrostatic-sensitive components are handled in accordance with electrostatic discharge control procedures. The products are hermetically sealed in anti-static safe packaging to prevent electrostatic damage. Appropriate labeling is also applied for identification and traceability. This ensures product integrity during storage, handling and transportation.


ESD

Certifications & Memberships

Third-party certified, strict quality control. Our certification
  • ISO 9001: 2015
  • ISO 13485: 2016
  • ISO 14001: 2015
  • ISO 28000: 2007
  • ISO 45001: 2018
  • GB/T 27922-2011
  • SMTA
  • IPC
  • ESD
  • PSMA
R5F100LEDFB#V0 Image

R5F100LEDFB#V0

Renesas Electronics America Inc
98D-R5F100LEDFB#V0

Want a better price? Add to Cart and Submit RFQ now, we'll contact you immediately.

Allelco
About Us
History
Certifications
Recruitment
Policies
Terms & Conditions
Privacy Policy
Cookie Policy
Services
Order Tracking
Return & Replacement
Frequently Asked Questions
Contact Us
Order
Shipping & Delivering
Payment Methods
My Account
The BlogsHot PartsChange LanguageNewsSite map
Contact Us
Headquarters Address:
Room C 13/F Harvard Commercial Building
105-111 Thomson Road Wan Chai
HongKong
Service Tel: +852-91464856
Service Email: info@allelco.com
Follow us
Copyright © 2012-2025 AllelcoElec.com. All rights reserved.
0 RFQ
Shopping cart (0 Items)
It is empty.
Submit RFQ
Compare List (0 Items)
It is empty.
Feedback

Your feedback matters! At Allelco, we value the user experience and strive to improve it constantly.
Please share your comments with us via our feedback form, and we'll respond promptly.
Thank you for choosing Allelco.

Subject
E-mail
Comments
Captcha
Drag or click to upload file
Upload File
types: .xls, .xlsx, .doc, .docx, .jpg, .png and .pdf.
Max file size: 10MB