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Renesas R5F101LKDFB#V0
- Part No.:
- R5F101LKDFB#V0
- Manufacturer:
- Renesas
- Category:
- Microcontrollers
- Package:
- 64-LQFP
- Datasheet:
-
R5F101LKDFB#V0.pdf
- Description:
- IC MCU 16BIT 384KB FLASH 64LQFP
- Quantity:
- Payment:
- Shipping:
Inventory:1,825
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Product details
Overview
R5F101LKDFB#V0 from Renesas is a 64-pin LFQFP-packaged RL78/G13 16-bit microcontroller with 384 KB flash, 8 KB data flash, 24 KB RAM, and true low-power operation (66 μA/MHz active, 0.57 μA RTC+LVD mode) for industrial control, sensor nodes, and battery-powered HMI applications.
For engineers reviewing the R5F101LKDFB#V0 datasheet, R5F101LKDFB#V0 pinout, R5F101LKDFB#V0 application, or R5F101LKDFB#V0 equivalent, key selection criteria include its 64-pin LFQFP-0.5mm package, 384 KB code flash with self-programming, integrated RTC + LVD, and support for UART/LIN, I²C, and 16-bit timers in -40°C to +85°C industrial environments.
Technical Context
The R5F101LKDFB#V0 implements the RL78 CPU core with 3-stage pipeline CISC architecture, supporting instruction execution times from 0.03125 μs (32 MHz HS mode) to 30.5 μs (32.768 kHz subsystem clock), and features on-chip high-accuracy ±1.0% oscillator (1–32 MHz selectable).
It integrates 16-channel 16-bit timers, 12-bit interval timer, calendar-based real-time clock with alarm/correction, 10-bit 26-channel ADC with internal 1.45 V reference and temperature sensor, and DMA controller with 4 channels enabling background data flash rewriting during program execution.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core Architecture | RL78 16-bit CISC with 3-stage pipeline, 1 MB address space |
| Flash Memory | 384 KB code flash with 1 KB block size, security lock, and boot swap function |
| Data Flash | 8 KB with background operation (BGO), 1M rewrite cycles, 1.8–5.5 V programming |
| RAM | 24 KB on-chip SRAM, including dedicated flash library RAM at F7F00H |
| Operating Voltage | 1.6 V to 5.5 V single supply, enabling direct interface with 1.8/2.5/3.0 V peripherals |
| Power Modes | HALT (66 μA/MHz), STOP (0.57 μA), SNOOZE - optimized for battery life in always-on systems |
| Temperature Range | -40°C to +85°C (Industrial D-grade), qualified for long-term reliability in harsh environments |
Pinout & Package
Package: 64-pin LFQFP (10 mm × 10 mm, 0.50 mm pitch), RoHS-compliant, moisture sensitivity level 3.
| 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 port | Configurable as N-ch open drain (6 V tolerant), TTL input, or pull-up; enables mixed-voltage interfacing |
| P10–P17 | Multi-function port | Supports SCK00/SCL00, SI00/RxD0/TOOLRxD/SDA00 - enables dual-role UART/LIN and I²C communication |
| P20–P27 | Analog input port | ANI0–ANI7 with AVREFP/AVREFM references; includes internal temp sensor and 1.45 V reference |
| RESET | Active-low reset input | Accepts external reset; internally tied to on-chip POR and LVD with 14-level voltage detection |
| CLKP/CLKM | Crystal oscillator inputs | Supports 32.768 kHz crystal for RTC; also accepts external clock source up to 20 MHz |
Key Features
| Feature | Design Value |
|---|---|
| Ultra-low power HALT/STOP modes | Enables multi-year battery life in wireless sensors and portable medical devices without compromising wake-up latency |
| On-chip RTC with calendar & alarm | Eliminates need for external real-time clock IC; supports time-stamped logging and scheduled wake-up events |
| Self-programmable flash with BGO | Allows firmware updates over CAN/UART while maintaining system responsiveness via background data flash writes |
| Integrated LIN bus support | Hardware UART with LIN break detection and sync field generation simplifies automotive body electronics integration |
| 10-bit 26-channel ADC + temp sensor | Provides simultaneous monitoring of multiple analog signals (e.g., voltage, current, temperature) in motor control or HVAC systems |
Applications
| Industrial Motor Control | Smart Sensor Node |
|---|---|
Use Scenario: Closed-loop speed and position control of BLDC motors in factory automation drives. IC Role / Device Role / Timing Role: Main controller executing FOC algorithms, managing PWM generation, ADC sampling, and fault protection logic. Use Value: 16-bit timers with dead-time insertion, 10-bit ADC with 26-channel scan, and 66 μA/MHz efficiency reduce thermal load and extend drive uptime. | Use Scenario: Battery-powered environmental monitor collecting temperature, humidity, and CO₂ via analog/digital sensors. IC Role / Device Role / Timing Role: System-on-chip host managing sensor interfaces, RTC-triggered sampling, low-power sleep/wake cycles, and wireless data transmission. Use Value: 0.57 μA STOP mode with RTC + LVD, 8 KB data flash for local logging, and integrated temp sensor cut BOM cost and board area. |
| Home Appliance HMI | Automotive Body Electronics |
Use Scenario: Touch-enabled control panel for washing machines with LED backlighting and buzzer feedback. IC Role / Device Role / Timing Role: Dedicated UI controller handling capacitive touch sensing, PWM dimming, buzzer tone generation, and button debounce. Use Value: On-chip clock output/buzzer controller, key interrupt function, and 24 KB RAM enable responsive GUI rendering without external peripherals. | Use Scenario: Door module controlling window lift, mirror adjustment, and interior lighting with LIN communication to body ECU. IC Role / Device Role / Timing Role: LIN slave node managing actuator drivers, switch inputs, and diagnostic reporting over single-wire LIN bus. Use Value: Hardware LIN support (break detection, sync, checksum), 64-pin I/O count for multi-actuator control, and -40°C to +85°C rating ensure robustness in vehicle cabin environments. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar 16-bit microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| R5F101LKAFB#V0 | Same 384 KB flash, 24 KB RAM, but uses 64-pin LQFP-0.65 mm package instead of LFQFP-0.5 mm | Larger pad pitch eases hand-soldering and rework; slightly lower I/O density than LFQFP variant | Select when PCB layout prioritizes assembly yield over compact footprint |
| R5F101LLDFB#V0 | 512 KB flash, 32 KB RAM, identical 64-pin LFQFP-0.5 mm package and peripheral set | Higher memory capacity supports larger firmware images, OTA updates, and complex protocol stacks (e.g., BLE mesh) | Select when future-proofing for feature expansion or safety-critical logging requirements |
Compared with R5F101LKDFB#V0, R5F101LKAFB#V0 offers relaxed mechanical assembly constraints at the cost of board space, while R5F101LLDFB#V0 delivers scalable memory headroom without changing pinout or power profile - enabling drop-in firmware reuse across product tiers.
Availability
R5F101LKDFB#V0 is available at Aetrix Electronics and suitable for industrial motor control, smart sensor nodes, home appliance HMIs, and automotive body electronics requiring stable component supply and long lifecycle support.
Supply support for R5F101LKDFB#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 family is designed for cost-sensitive, ultra-low-power general-purpose embedded applications - balancing performance, energy efficiency, and integration to replace discrete analog/digital components in resource-constrained systems.
FAQ
What is the maximum operating frequency of the R5F101LKDFB#V0?
The R5F101LKDFB#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. It also operates at 32.768 kHz for ultra-low-power RTC functions. The RL78 core achieves 41 DMIPS at 32 MHz, delivering efficient processing for real-time control tasks in the R5F101LKDFB#V0.
Does the R5F101LKDFB#V0 include an integrated temperature sensor?
Yes, the R5F101LKDFB#V0 includes an on-chip temperature sensor usable only in HS (high-speed main) mode, with conversion results accessible via the 10-bit ADC. Combined with its 1.45 V internal reference voltage, this enables accurate ambient temperature monitoring without external components - a key capability leveraged in thermal management systems built around the R5F101LKDFB#V0.
What debug and programming interfaces does the R5F101LKDFB#V0 support?
The R5F101LKDFB#V0 supports on-chip debugging via the single-pin SWD interface (using P11/SI00/RxD0/TOOLRxD pin), compatible with Renesas E2 emulator and standard JTAG/SWD tools. It also features full self-programming capability with boot swap and flash shield window functions, enabling secure field firmware updates - essential for maintaining long-term reliability in deployed R5F101LKDFB#V0-based systems.
How many serial communication interfaces are available on the R5F101LKDFB#V0?
The R5F101LKDFB#V0 provides up to 10 serial interfaces: 2–4 UART/LIN channels (including hardware LIN break detection), 3–10 I²C/Simplified I²C channels, and 2–8 CSI (SPI-compatible) channels. This flexible mix allows concurrent connectivity to displays, sensors, actuators, and vehicle networks - a critical advantage in multi-peripheral designs using the R5F101LKDFB#V0.
Is the R5F101LKDFB#V0 pin-compatible with other RL78/G13 variants in the same package?
Yes, all RL78/G13 devices in the 64-pin LFQFP-0.5 mm package (e.g., R5F101LKDFB#V0, R5F101LLDFB#V0, R5F100LKDFB#V0) share identical pinouts and electrical characteristics. This enables hardware reuse across memory/configurations - for example, upgrading from R5F101LKDFB#V0 to R5F101LLDFB#V0 requires only firmware changes, preserving PCB design integrity and reducing qualification effort for the R5F101LKDFB#V0 platform.
R5F101LKDFB#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:
- 384KB (384K x 8)
- Program Memory Type:
- FLASH
- EEPROM Size:
- -
- RAM Size:
- 24K 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:
R5F101LKDFB#V0 FAQ
1.How can I place an order for R5F101LKDFB#V0 through Aetrix?
Please submit a Request for Quotation (RFQ) for R5F101LKDFB#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 R5F101LKDFB#V0 reliable?
The price and inventory of R5F101LKDFB#V0 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for R5F101LKDFB#V0 is usually 5 days.
3.What payment methods are accepted for R5F101LKDFB#V0?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for R5F101LKDFB#V0 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for R5F101LKDFB#V0?
R5F101LKDFB#V0 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your R5F101LKDFB#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 R5F101LKDFB#V0?
For technical support, including R5F101LKDFB#V0 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your R5F101LKDFB#V0 requirements.
6.How does Aetrix verify that R5F101LKDFB#V0 is sourced from the original manufacturer or authorized distributors?
All R5F101LKDFB#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 R5F101LKDFB#V0 meets industry standards.
7.What is the process for return or replacement of R5F101LKDFB#V0?
All R5F101LKDFB#V0 units undergo pre-shipment inspection (PSI). If there is an issue with R5F101LKDFB#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 R5F101LKDFB#V0 part is unused and in its original packaging.
Return procedure for R5F101LKDFB#V0:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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