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Renesas R5F101LEAFA#V0
- Part No.:
- R5F101LEAFA#V0
- Manufacturer:
- Renesas
- Category:
- Microcontrollers
- Package:
- 64-LQFP
- Datasheet:
-
R5F101LEAFA#V0.pdf
- Description:
- IC MCU 16BIT 64KB FLASH 64LQFP
- Quantity:
- Payment:
- Shipping:
Inventory:1,495
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Product details
Overview
R5F101LEAFA#V0 from Renesas is a 64-pin LQFP-0.65mm, 16 KB flash, 2 KB RAM, RL78/G13 16-bit microcontroller with ultra-low-power operation (66 μA/MHz), real-time clock, 10-bit ADC (26 channels), and UART/I²C/CSI interfaces - deployed in battery-powered industrial sensors and smart metering endpoints.
For engineers reviewing the R5F101LEAFA#V0 datasheet, R5F101LEAFA#V0 pinout, R5F101LEAFA#V0 application, or R5F101LEAFA#V0 equivalent, key selection criteria include its data-flash-free architecture, -40°C to +85°C industrial temperature grade, 1.6–5.5 V supply range, and integrated LVD/POR for robust embedded control in space-constrained, low-quiescent designs.
Technical Context
The R5F101LEAFA#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). It integrates a 12-bit interval timer, calendar-mode RTC with alarm/correction, and watchdog timer driven by dedicated low-speed oscillator.
Its peripheral set includes up to 26-channel 10-bit ADC with internal 1.45 V reference and temperature sensor, 8–16 channels of 16-bit timer, 2–4 UART/LIN channels, 3–10 I²C/Simplified I²C channels, and 2–8 CSI (SPI-compatible) channels - all operating within a single 1.6–5.5 V supply domain without level shifters.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core | RL78 16-bit CISC CPU with 3-stage pipeline and variable-speed instruction timing |
| Flash / RAM | 16 KB code flash memory (1 KB block size); 2 KB on-chip RAM |
| Supply Range | 1.6 V to 5.5 V - enables direct interface with 1.8 V, 2.5 V, 3.3 V, and 5 V peripherals |
| Power Modes | HALT (0.57 μA), STOP, SNOOZE - supports multi-year battery life in wake-on-event applications |
| ADC | 10-bit resolution, 26 analog inputs, internal 1.45 V reference, and integrated temperature sensor |
| RTC | Real-time clock with calendar (99-year), alarm, and auto-correction - operates independently in STOP mode |
| Package | LQFP-64, 12 × 12 mm, 0.65 mm pitch - compatible with standard reflow and automated optical inspection |
Pinout & Package
LQFP-64 package (PLQP0064JA-A), 0.65 mm pitch, 12 × 12 mm body, exposed pad not present, RoHS-compliant lead finish.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDD, VSS | Power supply and ground | Dual VDD/VSS pairs ensure stable core/peripheral rail decoupling; supports single-supply operation |
| P00–P07 | General-purpose I/O port | Configurable as N-ch open-drain (6 V tolerant), TTL input, or pull-up; supports different-potential interfacing |
| P10–P17 | Multi-function port | Includes SCK00/SCL00, SI00/RxD0, SO00/TxD0, and TOOLRxD/SDA00 - enables dual-role debug+I²C |
| P20–P27 | Analog input port | ANI0–ANI7 with AVREFP/AVREFM references; supports simultaneous sampling across multiple channels |
| RESET | Active-low reset input | Accepts external reset; internally tied to POR and LVD circuits for fail-safe initialization |
| CLKP/CLKN | Crystal oscillator inputs | Supports 32.768 kHz crystal for RTC or high-frequency crystals up to 20 MHz for main clock |
Key Features
| Feature | Design Value |
|---|---|
| Ultra-low-power HALT mode | 0.57 μA typical current draw with RTC + LVD active - enables decade-scale coin-cell operation |
| Self-programmable flash | Boot-swap and flash-shield window functions allow secure firmware updates without external programmer |
| Background data flash rewrite | BGO enables concurrent program execution and data logging - no CPU stall during non-volatile storage writes |
| On-chip voltage detector | 14-level LVD with interrupt/reset selection - provides configurable brown-out protection across supply range |
| Hardware multiplier/divider | 16×16→32-bit multiply, 32÷32→32-bit divide, and MAC operations accelerate motor control and sensor fusion |
Applications
| Smart Utility Metering | Industrial Sensor Node |
|---|---|
Use Scenario: Battery-powered gas/water meter with pulse counting, pressure sensing, and RF telemetry. IC Role / Device Role / Timing Role: Main system controller managing sensor acquisition, RTC-timestamped logging, and low-power RF burst transmission. Use Value: 0.57 μA STOP-mode current extends 10+ year battery life; 26-channel ADC supports multi-sensor integration without external mux. | Use Scenario: Wireless vibration/temperature monitor mounted on rotating machinery in factory automation. IC Role / Device Role / Timing Role: Edge-processing node performing FFT-based anomaly detection and wake-on-threshold event triggering. Use Value: Hardware multiplier accelerates real-time signal processing; SNOOZE mode enables rapid wake-from-sleep response (<10 μs). |
| Home Appliance Control | Medical Wearable |
Use Scenario: MCU in washing machine control board managing motor drive, water level, and user interface. IC Role / Device Role / Timing Role: Central sequencer coordinating PWM motor control, ADC-based load sensing, and touch-key scanning. Use Value: Integrated key interrupt and buzzer output controller reduce BOM count; 1.6 V minimum supply ensures operation during brownout conditions. | Use Scenario: Portable ECG patch requiring continuous analog front-end sampling and Bluetooth LE data streaming. IC Role / Device Role / Timing Role: Signal acquisition and preprocessing unit with calibrated ADC, RTC timestamping, and UART-to-BLE bridge. Use Value: Internal 1.45 V reference and temperature sensor enable on-chip calibration; 10-bit ADC meets AHA Class I accuracy requirements. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar 16-bit microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| R5F100LEAFA#V0 | Includes 4 KB data flash; same pinout, package, and peripherals | Required where field firmware updates or parameter storage are needed | Select when non-volatile parameter retention or bootloader staging is mandatory |
| RL78/G14 R5F104LEAFA#V0 | Higher performance (41.75 DMIPS @ 32 MHz), 32 KB RAM, enhanced DMA, but larger footprint (LQFP-80) | Suitable for complex control loops or multi-protocol gateways needing more memory bandwidth | Choose only if additional RAM, faster core, or extra timers justify PCB redesign |
Compared with R5F100LEAFA#V0, the R5F101LEAFA#V0 reduces BOM cost by eliminating data flash while retaining identical code flash, ADC, and low-power features; versus RL78/G14, it trades performance and memory for smaller size and lower power - ideal for cost- and space-sensitive edge nodes.
Availability
R5F101LEAFA#V0 is available at Aetrix Electronics and suitable for smart metering, industrial sensor nodes, home appliance control, and medical wearables requiring stable component supply across long production lifecycles.
Supply support for R5F101LEAFA#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 delivering microcontrollers, analog, power, and SoC solutions for automotive, industrial, and IoT markets.
The RL78/G13 product line targets cost-sensitive, ultra-low-power general-purpose embedded applications - emphasizing energy efficiency, integration density, and toolchain compatibility for rapid development of battery-operated devices.
FAQ
What is the maximum operating frequency of the R5F101LEAFA#V0?
The R5F101LEAFA#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 to +85°C. External crystals up to 20 MHz may also be used via CLKP/CLKN pins. The RL78 core delivers 41 DMIPS at this speed, enabling responsive real-time control in the R5F101LEAFA#V0.
Does the R5F101LEAFA#V0 include data flash memory?
No, the R5F101LEAFA#V0 does not include data flash memory. Per Renesas part numbering convention, the "101" prefix indicates no data flash, distinguishing it from "100" variants (e.g., R5F100LEAFA#V0) which integrate 4 KB. All other peripherals, pinout, and code flash (16 KB) remain identical in the R5F101LEAFA#V0.
What temperature grade does the R5F101LEAFA#V0 support?
Based on the "A" suffix in the ordering code and confirmed in Table 1-1, the R5F101LEAFA#V0 is rated for industrial operation from –40°C to +85°C. It does not support the extended +105°C grade (denoted by "G") or consumer-grade packaging - making the R5F101LEAFA#V0 appropriate for factory-floor and outdoor-deployed equipment.
Can the R5F101LEAFA#V0 operate from a 1.8 V supply?
Yes, the R5F101LEAFA#V0 operates across 1.6 V to 5.5 V, fully supporting 1.8 V nominal supply. At 1.8 V, the maximum guaranteed operating frequency is 16 MHz per the datasheet's DC characteristics table, and all peripherals - including ADC, RTC, and serial interfaces - remain functional. This enables direct interfacing with 1.8 V logic in the R5F101LEAFA#V0.
Is the R5F101LEAFA#V0 pin-compatible with other RL78/G13 64-pin variants?
Yes, all RL78/G13 64-pin LQFP-0.65mm variants - including R5F100LEAFA#V0, R5F101LEAFA#V0, and R5F101LDAFA#V0 - share identical pinouts and package dimensions (PLQP0064JA-A). Differences are limited to memory configuration and temperature grade; no PCB layout change is required when migrating between these R5F101LEAFA#V0-compatible parts.
R5F101LEAFA#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:
- -
- 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:
R5F101LEAFA#V0 FAQ
1.How can I place an order for R5F101LEAFA#V0 through Aetrix?
Please submit a Request for Quotation (RFQ) for R5F101LEAFA#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 R5F101LEAFA#V0 reliable?
The price and inventory of R5F101LEAFA#V0 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for R5F101LEAFA#V0 is usually 5 days.
3.What payment methods are accepted for R5F101LEAFA#V0?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for R5F101LEAFA#V0 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for R5F101LEAFA#V0?
R5F101LEAFA#V0 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your R5F101LEAFA#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 R5F101LEAFA#V0?
For technical support, including R5F101LEAFA#V0 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your R5F101LEAFA#V0 requirements.
6.How does Aetrix verify that R5F101LEAFA#V0 is sourced from the original manufacturer or authorized distributors?
All R5F101LEAFA#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 R5F101LEAFA#V0 meets industry standards.
7.What is the process for return or replacement of R5F101LEAFA#V0?
All R5F101LEAFA#V0 units undergo pre-shipment inspection (PSI). If there is an issue with R5F101LEAFA#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 R5F101LEAFA#V0 part is unused and in its original packaging.
Return procedure for R5F101LEAFA#V0:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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