Renesas R5F100LJAFB#V0
- Part No.:
- R5F100LJAFB#V0
- Manufacturer:
- Renesas
- Category:
- Microcontrollers
- Package:
- 64-LQFP
- Datasheet:
-
R5F100LJAFB#V0.pdf
- Description:
- IC MCU 16BIT 256KB FLASH 64LQFP
- Quantity:
- Payment:

- Shipping:

Inventory:4,113
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Product details
Overview
R5F100LJAFB#V0 from Renesas is a 64-pin LFQFP-0.5mm-pitch 16-bit RL78/G13 microcontroller with 192 KB flash, 8 KB data flash, 16 KB RAM, and integrated peripherals including 16-bit timers, 10-bit ADC (26 channels), UART/LIN, I²C, CSI, RTC, and ultra-low-power operation down to 0.57 μA in STOP mode - deployed in industrial motor control and sensor interface modules.
For engineers reviewing the R5F100LJAFB#V0 datasheet, R5F100LJAFB#V0 pinout, R5F100LJAFB#V0 application, or R5F100LJAFB#V0 equivalent, key selection criteria include its 64-pin LFQFP package, -40°C to +105°C industrial temperature grade (G suffix implied by FB package + #V0 tray), 192 KB code flash with self-programming, 10-bit ADC with internal reference, and support for LIN bus communication in automotive body electronics.
Technical Context
The R5F100LJAFB#V0 implements the RL78 CPU core with 3-stage pipeline CISC architecture, supporting instruction execution times from 0.03125 μs (32 MHz) to 30.5 μs (32.768 kHz), and features a dedicated low-speed on-chip oscillator for watchdog and RTC operation independent of main clock domain.
It integrates a DMA controller (4 channels), multiplier/divider/MAC unit, background data flash rewriting (BGO), and configurable I/O with 6 V-tolerant N-ch open-drain capability - enabling direct interfacing with 1.8/2.5/3.3 V logic without level shifters in mixed-voltage systems.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core Architecture | RL78 16-bit CISC with 3-stage pipeline and 1 MB address space |
| Flash Memory | 192 KB code flash with 1 KB block size, security lock, and boot swap function |
| Data Flash | 8 KB with 1,000,000 write cycles, BGO support, and 1.8–5.5 V rewrite voltage |
| RAM | 16 KB on-chip SRAM, including dedicated areas for flash library operations |
| ADC | 10-bit resolution, 26 analog input channels, internal 1.45 V reference, and temperature sensor |
| Operating Voltage | 1.6 V to 5.5 V single supply, enabling battery-powered and wide-input industrial designs |
| Power Modes | HALT (66 μA/MHz), STOP (0.57 μA), and SNOOZE modes for dynamic power optimization |
Pinout & Package
Package: 64-pin LFQFP (10 × 10 mm, 0.5 mm pitch), RoHS-compliant, moisture sensitivity level (MSL) 3 per JEDEC J-STD-020.
| 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 | General-purpose I/O with N-ch open drain | 6 V-tolerant outputs usable for 1.8/2.5/3.3 V interface; configurable pull-up and TTL input buffer |
| P10/P11 | SPI/I²C/UART multiplexed pins | Shared SCK00/SCL00 and SI00/RxD0 enable flexible serial peripheral routing on limited pin count |
| P20–P27 | Analog input channels (ANI0–ANI7) | Part of 26-channel ADC group; P20 also serves as AVREFP for precision analog measurement |
| RESET | Active-low reset input | Accepts external reset signal; internally tied to on-chip POR and LVD circuits |
| CLKP/CLKM | Crystal oscillator inputs | Supports external 32.768 kHz crystal for RTC accuracy; optional high-speed crystal up to 20 MHz |
Key Features
| Feature | Design Value |
|---|---|
| Ultra-low-power STOP mode | 0.57 μA current draw with RTC and LVD active - enables multi-year battery life in remote sensors |
| Background data flash rewrite | Execute code from program memory while updating 8 KB data flash - critical for firmware-over-the-air (FOTA) updates |
| Integrated LIN transceiver support | UART peripheral with LIN break detection and sync field generation - eliminates need for external LIN PHY in cost-sensitive nodes |
| On-chip temperature sensor | Calibrated silicon sensor with ±2°C accuracy over -40°C to +105°C - enables thermal monitoring without external IC |
| Hardware multiplier/divider | 16×16→32-bit multiply, 32÷32→32-bit divide, and MAC operations accelerate motor control algorithms |
Applications
| Industrial Motor Control | Smart Sensor Node |
|---|---|
Use Scenario: Brushless DC (BLDC) motor commutation in HVAC blowers and pump drives. IC Role / Device Role / Timing Role: Real-time PWM generation, ADC-based current sensing, and closed-loop speed regulation via 16-bit timer and 10-bit ADC. Use Value: 192 KB flash accommodates complex FOC algorithms; 0.57 μA STOP mode enables rapid wake-on-event for energy-efficient standby. | Use Scenario: Battery-powered environmental sensor hub measuring temperature, humidity, and CO₂. IC Role / Device Role / Timing Role: Sensor data acquisition, local preprocessing, LIN bus communication, and RTC-based periodic wake-up scheduling. Use Value: Integrated temperature sensor and 26-channel ADC reduce BOM; 8 KB data flash stores calibration coefficients and event logs. |
| Automotive Body Electronics | Home Appliance Control |
Use Scenario: Door module controlling window lift, mirror adjustment, and interior lighting. IC Role / Device Role / Timing Role: LIN slave node with programmable baud rate, GPIO-driven motor drivers, and EEPROM-emulated data storage. Use Value: LIN support meets automotive OEM requirements; 1.6–5.5 V operation tolerates battery voltage fluctuations during cranking. | Use Scenario: Main control MCU in washing machine drum motor and water valve sequencing. IC Role / Device Role / Timing Role: Multi-axis timing engine coordinating motor phase, solenoid actuation, and user interface feedback. Use Value: 4-channel DMA offloads data movement from CPU; SNOOZE mode reduces average power during idle wash cycles. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| R5F101LJAFB#V0 | No data flash (0 KB); identical pinout, core, and peripheral set | Not suitable for applications requiring nonvolatile parameter storage or firmware update logging | Select when data retention is handled externally or unnecessary |
| RL78/G14 R5F104LEAFB#V0 | Enhanced 256 KB flash, 32 KB RAM, additional 12-bit ADC, and CAN 2.0B interface | Required for CAN-based vehicle networks or higher computational workloads | Choose for future-proofing or CAN integration; not drop-in compatible due to different peripheral register map |
Compared with R5F100LJAFB#V0, R5F101LJAFB#V0 removes data flash to reduce cost and die size while retaining full functional compatibility for code-only deployments; R5F104LEAFB#V0 adds CAN and larger memory but requires PCB and firmware redesign due to expanded feature set and register differences.
Availability
R5F100LJAFB#V0 is available at Aetrix Electronics and suitable for industrial motor control, smart sensor nodes, automotive body electronics, and home appliance control requiring stable component supply across extended temperature ranges and long production lifecycles.
Supply support for R5F100LJAFB#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 industrial, automotive, and IoT markets.
The RL78/G13 product line delivers ultra-low-power 16-bit MCUs optimized for cost-sensitive, battery-operated, and thermally constrained applications where reliability across -40°C to +105°C is mandatory.
FAQ
What is the maximum operating frequency of the R5F100LJAFB#V0?
The R5F100LJAFB#V0 supports up to 32 MHz operation using the high-speed on-chip oscillator with ±1.0% accuracy across 1.8–5.5 V and -20°C to +85°C. External crystals up to 20 MHz are also supported for applications requiring tighter timing stability or RTC synchronization.
Does the R5F100LJAFB#V0 include an integrated LIN physical layer?
No, the R5F100LJAFB#V0 does not integrate a LIN transceiver. However, its UART peripheral supports LIN protocol features including break detection, sync field generation, and checksum calculation - enabling connection to an external LIN PHY such as the RAA228900 for full compliance with LIN 2.2A.
What package type and pin count does the R5F100LJAFB#V0 use?
The R5F100LJAFB#V0 uses a 64-pin LFQFP package with 0.5 mm pitch, measuring 10 mm × 10 mm. The "FB" suffix in the part number explicitly denotes this LFQFP variant, and the "#V0" indicates tray packaging for surface-mount assembly.
How much data flash memory is available on the R5F100LJAFB#V0?
The R5F100LJAFB#V0 includes 8 KB of data flash memory, organized in 1 KB blocks, rated for 1,000,000 write/erase cycles at 1.8–5.5 V. It supports background operation (BGO), allowing program execution during data flash rewrites - essential for robust firmware update mechanisms.
Is the R5F100LJAFB#V0 qualified for industrial temperature operation?
Yes, the R5F100LJAFB#V0 is qualified for industrial operation from -40°C to +105°C. This is confirmed by its package designation (FB) and tray code (#V0), which align with Renesas' G-grade industrial specification per the RL78/G13 family datasheet revision 3.80.
R5F100LJAFB#V0 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Renesas
- Package/Case:
- 64-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:
- 48
- Program Memory Size:
- 256KB (256K x 8)
- Program Memory Type:
- FLASH
- EEPROM Size:
- 8K x 8
- RAM Size:
- 20K 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:
R5F100LJAFB#V0 FAQ
1.How can I place an order for R5F100LJAFB#V0 through Aetrix?
Please submit a Request for Quotation (RFQ) for R5F100LJAFB#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 R5F100LJAFB#V0 reliable?
The price and inventory of R5F100LJAFB#V0 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for R5F100LJAFB#V0 is usually 5 days.
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R5F100LJAFB#V0 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your R5F100LJAFB#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 R5F100LJAFB#V0?
For technical support, including R5F100LJAFB#V0 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your R5F100LJAFB#V0 requirements.
6.How does Aetrix verify that R5F100LJAFB#V0 is sourced from the original manufacturer or authorized distributors?
All R5F100LJAFB#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 R5F100LJAFB#V0 meets industry standards.
7.What is the process for return or replacement of R5F100LJAFB#V0?
All R5F100LJAFB#V0 units undergo pre-shipment inspection (PSI). If there is an issue with R5F100LJAFB#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 R5F100LJAFB#V0 part is unused and in its original packaging.
Return procedure for R5F100LJAFB#V0:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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