Renesas R5F100LEAFA#V0
- Part No.:
- R5F100LEAFA#V0
- Manufacturer:
- Renesas
- Category:
- Microcontrollers
- Package:
- 64-LQFP
- Datasheet:
-
R5F100LEAFA#V0.pdf
- Description:
- IC MCU 16BIT 64KB FLASH 64LQFP
- Quantity:
- Payment:

- Shipping:

Inventory:4,198
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Product details
Overview
R5F100LEAFA#V0 from Renesas is a 64-pin LQFP-0.65mm MCU in the RL78/G13 family, featuring 128 KB flash, 8 KB data flash, 12 KB RAM, 16-bit RL78 CPU core, and real-time clock with calendar function. It operates from 1.6–5.5 V, achieves 41 DMIPS at 32 MHz, and supports ultra-low-power modes (0.57 μA in RTC+LVD mode) for battery-powered industrial sensors and smart metering endpoints.
For engineers reviewing the R5F100LEAFA#V0 datasheet, R5F100LEAFA#V0 pinout, R5F100LEAFA#V0 application, or R5F100LEAFA#V0 equivalent, key selection criteria include its integrated 10-bit ADC (26 channels), dual UART/LIN support, hardware multiplier/divider, and 64-pin LQFP package with full I/O remapping and low-voltage detection across -40°C to +85°C operation.
Technical Context
The R5F100LEAFA#V0 implements the RL78 CISC CPU core with 3-stage pipeline and configurable instruction timing (0.03125 μs min @ 32 MHz). It integrates independent peripherals including 8-channel 16-bit timers, 12-bit interval timer, RTC with alarm/calendar, and watchdog timer with dedicated low-speed oscillator.
Its memory subsystem includes 128 KB on-chip code flash (1 KB block size, security lock), 8 KB data flash with background operation (BGO) and 1M rewrite cycles, and 12 KB RAM - all accessible via DMA controller supporting 2/4 channels and 2-clock transfers between SFR and RAM.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core | RL78 16-bit CISC CPU with 3-stage pipeline and 1 MB address space |
| Max Performance | 41 DMIPS at 32 MHz; minimum instruction time 0.03125 μs (high-speed mode) |
| Memory | 128 KB code flash, 8 KB data flash (BGO enabled), 12 KB RAM |
| Power Modes | HALT (66 μA/MHz), STOP (0.57 μA w/ RTC+LVD), SNOOZE for low-latency wake-up |
| Analog | 10-bit A/D converter with 26 input channels, internal 1.45 V reference, and temperature sensor |
| Serial Interfaces | Up to 10-channel I²C/SimpI²C, 4-channel UART/LIN, 8-channel CSI (SPI-compatible) |
| Timers | 16 × 16-bit timers, 1 × 12-bit interval timer, 1 × RTC (99-year calendar, alarm, correction) |
Pinout & Package
Package: 64-pin LQFP (12 × 12 mm, 0.65-mm pitch), RoHS-compliant, tray packaging (#V0).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| P10 | SCK00 / SCL00 | Primary SPI clock or I²C clock; shared function enables flexible peripheral routing |
| P11 | SI00 / RxD0 / TOOLRxD / SDA00 | Multi-function pin supporting SPI input, UART receive, debug interface, or I²C data |
| P20 | ANI0 / AVREFP | Analog input channel 0 or positive ADC reference voltage input |
| P21 | ANI1 / AVREFM | Analog input channel 1 or negative ADC reference voltage input |
| P22 | ANI2 | Dedicated analog input channel 2; supports differential measurement with P21 |
| P147 | ANI18 | High-numbered analog input (channel 18); usable in systems requiring >16-channel sensing |
Key Features
| Feature | Design Value |
|---|---|
| Ultra-low-power operation | 0.57 μA in STOP mode with RTC + LVD active-enables multi-year battery life in remote sensors |
| Data flash BGO | Execute code from flash while rewriting data flash-enables seamless firmware updates without interruption |
| Hardware multiplier/divider | 16×16→32-bit multiply, 32÷32→32-bit divide, and MAC operations accelerate control algorithms |
| Flexible serial interfaces | Configurable CSI, UART/LIN, and I²C channels allow concurrent communication with displays, transceivers, and sensors |
| On-chip RTC with calendar | Full 99-year calendar, alarm, and clock correction eliminates need for external RTC IC and reduces BOM cost |
| Low-voltage detection | 14-level LVD with interrupt/reset options ensures reliable brown-out protection across varying supply conditions |
Applications
| Smart Energy Metering | Industrial Sensor Node |
|---|---|
Use Scenario: Bidirectional energy monitoring in DIN-rail meters with tamper detection and time-of-use billing. IC Role / Device Role / Timing Role: Main system controller managing metrology IC interface, LCD driver, IR/PLC communication, and secure firmware updates. Use Value: Integrated 10-bit ADC (26 ch), RTC calendar, and LIN-capable UART enable accurate timestamped measurements and compliance with IEC 62056 standards. |
Use Scenario: Wireless vibration/temperature node in predictive maintenance systems with local edge processing. IC Role / Device Role / Timing Role: Signal acquisition and preprocessing unit interfacing MEMS accelerometers, thermistors, and sub-GHz RF transceivers. Use Value: Ultra-low-power STOP mode (0.57 μA) extends battery life to >5 years; hardware multiplier accelerates FFT-based spectral analysis. |
| Home Appliance Control | Building Automation Panel |
Use Scenario: Motor control and user interface in inverter-driven HVAC compressors and washing machines. IC Role / Device Role / Timing Role: Real-time motor commutation controller with PWM generation, fault monitoring, and touch-button interface. Use Value: 16 × 16-bit timers with dead-time insertion and on-chip key interrupt support simplify brushless DC motor drive implementation. |
Use Scenario: Standalone room controller managing lighting, blinds, occupancy sensing, and HVAC setpoints via BACnet MS/TP. IC Role / Device Role / Timing Role: Protocol gateway and local decision engine handling RS-485 physical layer, sensor fusion, and scheduling logic. Use Value: Dual UART with LIN support allows direct integration with legacy HVAC actuators; 128 KB flash accommodates BACnet stack plus application logic. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| R5F100LGAFB#V0 | Same 64-pin LQFP package, identical peripherals, but 96 KB flash / 8 KB data flash / 8 KB RAM | Lower memory footprint suits simpler control tasks without extensive logging or UI assets | Select when application code size remains under 96 KB and BOM cost optimization is prioritized |
| R5F101LEAFA#V0 | Pin-compatible variant without data flash; same 128 KB code flash, 12 KB RAM, and peripheral set | Eliminates background data rewriting capability-unsuitable for field-upgradable parameter storage | Choose only if persistent non-volatile storage is handled externally or via code flash emulation |
Compared with R5F100LGAFB#V0 and R5F101LEAFA#V0, the R5F100LEAFA#V0 uniquely balances high code density (128 KB), robust data retention (8 KB BGO-enabled data flash), and ultra-low-power operation-making it optimal for feature-rich, battery-constrained embedded controllers requiring secure, field-updatable configuration storage.
Availability
R5F100LEAFA#V0 is available at Aetrix Electronics and suitable for smart metering, industrial sensor nodes, home appliance control, and building automation panels requiring stable component supply, long-term lifecycle support, and RoHS-compliant manufacturing.
Supply support for R5F100LEAFA#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 automotive, industrial, and IoT markets.
The RL78/G13 product line delivers true low-power performance (66 μA/MHz) with rich analog and communication peripherals, targeting cost-sensitive, battery-operated, and safety-aware embedded applications in industrial and consumer equipment.
FAQ
What is the operating voltage range of the R5F100LEAFA#V0?
The R5F100LEAFA#V0 operates from 1.6 V to 5.5 V over its full temperature range (-40°C to +85°C), enabling direct compatibility with single-cell Li-ion, 3.3 V, and 5 V system rails without external regulators in many designs.
Does the R5F100LEAFA#V0 support in-circuit debugging?
Yes, the R5F100LEAFA#V0 includes an on-chip debug function compatible with Renesas E2 studio and CS+ IDEs. Debug access uses the TOOLRxD/TOOLTxD pins (P11/P12) and supports breakpoints, watchpoints, and flash programming during development.
How many analog input channels does the R5F100LEAFA#V0 provide?
The R5F100LEAFA#V0 provides up to 26 analog input channels for its 10-bit A/D converter. Channel mapping includes dedicated pins like P20–P22 and extended inputs such as P147 (ANI18), supporting multi-sensor signal acquisition in compact layouts.
What is the maximum clock frequency and associated performance of the R5F100LEAFA#V0?
The R5F100LEAFA#V0 achieves 32 MHz maximum operation using its high-speed on-chip oscillator (±1.0% accuracy), delivering 41 DMIPS. Instruction timing scales dynamically-from 0.03125 μs (32 MHz) to 30.5 μs (32.768 kHz)-to match real-time and ultra-low-power requirements.
Is the R5F100LEAFA#V0 pin-compatible with other RL78/G13 variants in 64-pin LQFP?
Yes, the R5F100LEAFA#V0 shares identical pinout and electrical characteristics with other 64-pin LQFP RL78/G13 devices (e.g., R5F100LCAFA#V0, R5F100LGAFA#V0), enabling drop-in replacement within the same memory/peripheral configuration group-subject to flash/RAM sizing and data flash presence.
R5F100LEAFA#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:
- 64KB (64K x 8)
- Program Memory Type:
- FLASH
- EEPROM Size:
- 4K x 8
- RAM Size:
- 4K 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:
R5F100LEAFA#V0 FAQ
1.How can I place an order for R5F100LEAFA#V0 through Aetrix?
Please submit a Request for Quotation (RFQ) for R5F100LEAFA#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 R5F100LEAFA#V0 reliable?
The price and inventory of R5F100LEAFA#V0 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for R5F100LEAFA#V0 is usually 5 days.
3.What payment methods are accepted for R5F100LEAFA#V0?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for R5F100LEAFA#V0 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for R5F100LEAFA#V0?
R5F100LEAFA#V0 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your R5F100LEAFA#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 R5F100LEAFA#V0?
For technical support, including R5F100LEAFA#V0 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your R5F100LEAFA#V0 requirements.
6.How does Aetrix verify that R5F100LEAFA#V0 is sourced from the original manufacturer or authorized distributors?
All R5F100LEAFA#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 R5F100LEAFA#V0 meets industry standards.
7.What is the process for return or replacement of R5F100LEAFA#V0?
All R5F100LEAFA#V0 units undergo pre-shipment inspection (PSI). If there is an issue with R5F100LEAFA#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 R5F100LEAFA#V0 part is unused and in its original packaging.
Return procedure for R5F100LEAFA#V0:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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