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Renesas R5F100LEAFB#X0
- Part No.:
- R5F100LEAFB#X0
- Manufacturer:
- Renesas
- Category:
- Microcontrollers
- Package:
- 64-LQFP
- Datasheet:
-
R5F100LEAFB#X0.pdf
- Description:
- IC MCU 16BIT 64KB FLASH 64LQFP
- Quantity:
- Payment:
- Shipping:
Inventory:2,545
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Product details
Overview
R5F100LEAFB#X0 from Renesas is a 64-pin LFQFP (0.5-mm pitch), 128 KB flash, 8 KB data flash, 12 KB RAM RL78/G13 16-bit MCU operating from 1.6 V to 5.5 V, delivering 41 DMIPS at 32 MHz with ultra-low-power operation (66 μA/MHz active, 0.57 μA RTC+LVD mode), used in battery-powered industrial sensors and smart metering endpoints.
For engineers reviewing the R5F100LEAFB#X0 datasheet, R5F100LEAFB#X0 pinout, R5F100LEAFB#X0 application, or R5F100LEAFB#X0 equivalent, key selection criteria include its integrated RTC with calendar/alarm, 10-bit 26-channel ADC with internal temperature sensor, dual UART/LIN support, and hardware BGO for concurrent code execution during data flash rewrite.
Technical Context
The R5F100LEAFB#X0 implements the RL78 CPU core with CISC architecture and 3-stage pipeline, supporting instruction execution times from 0.03125 μs (32 MHz HS mode) to 30.5 μs (32.768 kHz subsystem clock). It integrates a 12-bit interval timer, real-time clock with calendar function, and watchdog timer with dedicated low-speed oscillator.
Its peripheral set includes up to 16× 16-bit timers, 3–10× I²C/Simplified I²C channels, 2–4× UART/LIN interfaces, 2–8× CSI (SPI-compatible) channels, and DMA controller with 4 channels supporting 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 Operating Frequency | 32 MHz - delivers 41 DMIPS; high-speed on-chip oscillator accuracy ±1.0 % over -20 to +85°C |
| Memory | 128 KB code flash (1 KB block size), 8 KB data flash (1M write cycles), 12 KB RAM |
| Power Consumption | 66 μA/MHz active mode; 0.57 μA in STOP mode with RTC + LVD enabled |
| Analog Peripherals | 10-bit 26-channel ADC with internal 1.45 V reference and temperature sensor; supports HS mode only |
| Serial Interfaces | 2× UART/LIN, 3× I²C/Simplified I²C, 2× CSI (SPI-compatible); all support independent clock sources |
| Timers & RTC | 8–16× 16-bit timers, 1× 12-bit interval timer, 1× calendar RTC (99-year range, alarm, correction) |
Pinout & Package
Package: 64-pin LFQFP, 10 mm × 10 mm, 0.5-mm pitch, exposed pad (PLQP0064KF-A).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| P10/SCK00/SCL00 | Port 10 / SPI Clock / I²C Clock | Multi-function pin supporting master/slave SPI clock or I²C bus clock; enables shared pin usage across protocols |
| P11/SI00/RxD0/TOOLRxD/SDA00 | Port 11 / SPI Input / UART RX / Debug RX / I²C Data | Combines serial interface inputs and debug channel; allows single-pin tool connection without external mux |
| P12/SO00/TxD0/TOOLTxD/SDA00 | Port 12 / SPI Output / UART TX / Debug TX / I²C Data | Shared output path for SPI, UART, debug, and I²C - reduces pin count while maintaining protocol flexibility |
| P13/INTP0/ANI3 | Port 13 / External Interrupt 0 / Analog Input 3 | Enables wake-up from STOP mode via external event or analog threshold detection |
| P14/INTP1/ANI4 | Port 14 / External Interrupt 1 / Analog Input 4 | Dual-role interrupt/analog input supports low-latency sensor triggering and signal acquisition |
| P15/INTP2/ANI5 | Port 15 / External Interrupt 2 / Analog Input 5 | Third dedicated interrupt-capable analog input for multi-sensor edge-triggered monitoring |
| P20/ANI0/AVREFP | Port 20 / Analog Input 0 / ADC Reference Positive | Configurable as primary ADC input or precision reference voltage source for external circuitry |
| P21/ANI1/AVREFM | Port 21 / Analog Input 1 / ADC Reference Negative | Provides differential reference pair with P20; enables ratiometric or isolated ADC measurements |
Key Features
| Feature | Design Value |
|---|---|
| Self-programming with boot swap | Enables firmware updates in field without external programmer; boot swap ensures atomic application reload |
| Background operation (BGO) | Allows full CPU execution from flash while rewriting data flash - eliminates interrupt latency during logging |
| Ultra-low-power STOP mode | 0.57 μA consumption with RTC + LVD active - extends battery life in always-on sensing applications |
| Hardware multiplier/divider | 16×16→32-bit multiply, 32÷32→32-bit divide, and MAC operations accelerate control loop math |
| On-chip key interrupt | Detects key press/release on up to 8 ports without polling - reduces CPU load in HMI designs |
| Different potential interface | Supports direct connection to 1.8 V, 2.5 V, or 3.0 V peripherals - eliminates level-shifter components |
Applications
| Smart Utility Metering | Industrial Sensor Node |
|---|---|
|
Use Scenario: Battery-powered gas/water meter with hourly pulse counting, temperature compensation, and wireless reporting. IC Role / Device Role / Timing Role: Primary system controller managing metrology sampling, RTC-based scheduling, LIN communication to display module, and secure flash logging of events. Use Value: Ultra-low STOP current preserves 10+ year battery life; integrated RTC eliminates external timing IC; BGO enables uninterrupted data logging during firmware updates. |
Use Scenario: Wireless vibration/temperature node in predictive maintenance system, operating in harsh factory environments. IC Role / Device Role / Timing Role: Signal acquisition controller interfacing MEMS accelerometer and thermistor via 10-bit ADC, performing local FFT preprocessing, and transmitting via UART to gateway. Use Value: 26-channel ADC supports multi-sensor fusion; 12 KB RAM accommodates real-time buffer; 1.6–5.5 V operation tolerates wide supply variation in industrial power rails. |
| Home Appliance Control | Medical Portable Monitor |
|
Use Scenario: Microcontroller in washing machine main board handling motor control, user interface, and safety interlocks. IC Role / Device Role / Timing Role: Real-time coordinator executing PWM-driven motor drivers, reading front-panel keys via on-chip key interrupt, and monitoring door lock status with LVD. Use Value: On-chip LVD with 14 selectable thresholds enables precise brown-out detection; N-ch open-drain I/O drives indicator LEDs directly; multiple UARTs simplify communication with display and inverter modules. |
Use Scenario: Low-power handheld pulse oximeter requiring clinical-grade timing accuracy and long battery runtime. IC Role / Device Role / Timing Role: System-on-chip managing LED driver timing, photodiode signal digitization, SpO₂ calculation, and Bluetooth LE UART bridge. Use Value: RTC with calendar and alarm supports scheduled self-tests; internal temperature sensor calibrates ADC offset drift; 0.57 μA STOP mode enables >2-week standby on coin cell. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar 16-bit MCU applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| R5F100LGAFB#X0 | Same package and pinout; 96 KB flash, 8 KB data flash, 8 KB RAM - reduced memory footprint | Suitable for cost-sensitive designs with smaller firmware and less data logging | Select when application firmware fits within 96 KB and RAM usage stays under 8 KB |
| R5F101LEAFB#X0 | Identical package and pinout; no data flash (0 KB), same 128 KB code flash and 12 KB RAM | Used where persistent parameter storage is handled externally or not required | Choose when data retention is managed via external EEPROM or cloud sync, avoiding on-chip data flash overhead |
Compared with R5F100LGAFB#X0 and R5F101LEAFB#X0, the R5F100LEAFB#X0 uniquely balances 128 KB code flash, 8 KB rewritable data flash, and 12 KB RAM - making it optimal for feature-rich embedded systems requiring local firmware updates and secure event logging without external nonvolatile memory.
Availability
R5F100LEAFB#X0 is available at Aetrix Electronics and suitable for smart metering, industrial sensor nodes, home appliance control, portable medical devices, and battery-powered HMI applications requiring stable component supply and long-term manufacturability.
Supply support for R5F100LEAFB#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 true low-power 16-bit MCUs optimized for cost-sensitive, battery-operated, and industrial control applications requiring high integration, robust timing, and long-term supply assurance.
FAQ
What is the maximum operating frequency and performance of the R5F100LEAFB#X0?
The R5F100LEAFB#X0 operates at up to 32 MHz using its high-accuracy on-chip oscillator (±1.0 %), achieving 41 DMIPS. Its RL78 CPU core supports variable instruction timing - from 0.03125 μs in high-speed mode to 30.5 μs in ultra-low-speed mode - enabling dynamic power/performance scaling in the R5F100LEAFB#X0.
Does the R5F100LEAFB#X0 include an integrated real-time clock (RTC)?
Yes, the R5F100LEAFB#X0 integrates a full-featured RTC with calendar support (99-year range), alarm function, and clock correction capability. It operates independently in STOP mode with only 0.57 μA current draw, allowing timekeeping during ultra-low-power sleep - a core capability of the R5F100LEAFB#X0.
Can the R5F100LEAFB#X0 perform flash writes while executing code from memory?
Yes, the R5F100LEAFB#X0 supports Background Operation (BGO) for data flash. This allows the CPU to execute instructions from code flash while simultaneously rewriting data flash memory - critical for reliable logging and firmware updates in the R5F100LEAFB#X0 without halting real-time tasks.
What analog features does the R5F100LEAFB#X0 provide?
The R5F100LEAFB#X0 includes a 10-bit ADC with up to 26 input channels, internal 1.45 V reference voltage, and integrated temperature sensor. The ADC operates only in HS (high-speed main) mode, and the temperature sensor enables on-chip thermal calibration - key analog capabilities built into the R5F100LEAFB#X0.
Is the R5F100LEAFB#X0 pin-compatible with other RL78/G13 variants?
Yes, the R5F100LEAFB#X0 uses the 64-pin LFQFP package (PLQP0064KF-A) and shares identical pinout with all other RL78/G13 devices in the same package variant - including R5F100LGAFB#X0 and R5F101LEAFB#X0 - enabling drop-in replacement within the same footprint and signal routing.
R5F100LEAFB#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:
- 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:
R5F100LEAFB#X0 FAQ
1.How can I place an order for R5F100LEAFB#X0 through Aetrix?
Please submit a Request for Quotation (RFQ) for R5F100LEAFB#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 R5F100LEAFB#X0 reliable?
The price and inventory of R5F100LEAFB#X0 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for R5F100LEAFB#X0 is usually 5 days.
3.What payment methods are accepted for R5F100LEAFB#X0?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for R5F100LEAFB#X0 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for R5F100LEAFB#X0?
R5F100LEAFB#X0 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your R5F100LEAFB#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 R5F100LEAFB#X0?
For technical support, including R5F100LEAFB#X0 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your R5F100LEAFB#X0 requirements.
6.How does Aetrix verify that R5F100LEAFB#X0 is sourced from the original manufacturer or authorized distributors?
All R5F100LEAFB#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 R5F100LEAFB#X0 meets industry standards.
7.What is the process for return or replacement of R5F100LEAFB#X0?
All R5F100LEAFB#X0 units undergo pre-shipment inspection (PSI). If there is an issue with R5F100LEAFB#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 R5F100LEAFB#X0 part is unused and in its original packaging.
Return procedure for R5F100LEAFB#X0:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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