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Renesas R5F101LFDFA#V0
- Part No.:
- R5F101LFDFA#V0
- Manufacturer:
- Renesas
- Category:
- Microcontrollers
- Package:
- 64-LQFP
- Datasheet:
-
R5F101LFDFA#V0.pdf
- Description:
- IC MCU 16BIT 96KB FLASH 64LQFP
- Quantity:
- Payment:
- Shipping:
Inventory:4,288
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Product details
Overview
R5F101LFDFA#V0 from Renesas is a 64-pin LQFP-64, 0.65-mm pitch, industrial-grade RL78/G13 16-bit microcontroller with 64 KB flash, 4 KB data flash, 4 KB RAM, and no on-chip data flash programming capability - designed for ultra-low-power embedded control in battery-powered sensors, HVAC actuators, and smart metering interfaces.
For engineers reviewing the R5F101LFDFA#V0 datasheet, R5F101LFDFA#V0 pinout, R5F101LFDFA#V0 application, or R5F101LFDFA#V0 equivalent, key selection criteria include its 1.6–5.5 V operation, 66 μA/MHz active current, RTC + LVD-only STOP mode (0.57 μA), 16-bit A/D converter (10-bit resolution, up to 26 channels), and integrated UART/LIN, I²C, and CSI serial interfaces.
Technical Context
The R5F101LFDFA#V0 implements the RL78 CPU core with CISC architecture, 3-stage pipeline, and configurable instruction timing (0.03125 μs min @ 32 MHz high-speed oscillator or 30.5 μs @ 32.768 kHz subsystem clock). It supports HALT, STOP, and SNOOZE low-power modes with on-chip POR and 14-level LVD.
It integrates a 16-bit timer array (12 channels), real-time clock with calendar/alarm/correction, watchdog timer, DMA controller (2 channels), 16×16/32÷32 multiplier/divider, and 8/10-bit A/D converter with internal 1.45 V reference and temperature sensor - all operating across –40°C to +85°C industrial ambient range.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core Architecture | RL78 16-bit CISC with 3-stage pipeline and variable instruction timing |
| Flash Memory | 64 KB code flash; no data flash (R5F101x series designation) |
| RAM | 4 KB on-chip SRAM for program/data execution and stack |
| Supply Voltage | 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 Consumption | 66 μA/MHz active; 0.57 μA in STOP mode with RTC + LVD only |
| A/D Converter | 10-bit resolution, up to 26 analog inputs, internal 1.45 V reference, and on-chip temperature sensor |
| Serial Interfaces | 2–4 UART/LIN channels, 3–10 I²C/Simplified I²C channels, 2–8 CSI (SPI-compatible) channels |
| Operating Temperature | –40°C to +85°C (industrial grade, D-suffix per part numbering) |
Pinout & Package
Package: 64-pin LQFP, 12 × 12 mm, 0.65-mm pitch, lead-free, RoHS-compliant (PLQP0064JA-A).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| P10/SCK00/SCL00 | Port 10 / SPI Clock / I²C Clock | Multi-function pin supporting synchronous serial clock output/input and I²C bus clock |
| P11/SI00/RxD0/TOOLRxD/SDA00 | Port 11 / SPI Input / UART RX / Debug RX / I²C Data | Shared serial input path enabling SPI, UART, debug communication, and I²C data line |
| P12/SO00/TxD0/TOOLTxD/SDA00 | Port 12 / SPI Output / UART TX / Debug TX / I²C Data | Bi-directional serial data pin supporting SPI output, UART transmit, debug output, and I²C data |
| P13/INTP0/TOOLCLK | Port 13 / External Interrupt 0 / Debug Clock | Dual-role pin for external event triggering and JTAG/SWD clock synchronization |
| P14/INTP1/CLKOUT | Port 14 / External Interrupt 1 / Clock Output | Configurable as interrupt input or buffered system clock output for timing verification |
| P20/ANI0/AVREFP | Port 20 / Analog Input 0 / ADC Reference Positive | Analog input channel 0 and selectable positive reference voltage source for A/D conversion |
| P21/ANI1/AVREFM | Port 21 / Analog Input 1 / ADC Reference Negative | Analog input channel 1 and selectable negative reference for differential A/D measurement |
| P22/ANI2 | Port 22 / Analog Input 2 | Dedicated analog input for sensor signal acquisition without reference sharing |
Key Features
| Feature | Design Value |
|---|---|
| Ultra-low-power STOP mode | 0.57 μA retention with RTC and LVD active - extends battery life in always-on sensing nodes |
| On-chip high-accuracy oscillator | +/-1.0% tolerance over 1.8–5.5 V and –20 to +85°C - eliminates need for external crystal in cost-sensitive designs |
| Background data flash rewrite | Not applicable - R5F101x series lacks data flash memory, simplifying firmware update logic |
| Multi-voltage I/O interface | Supports 1.8 V, 2.5 V, and 3 V logic levels - enables direct connection to mixed-voltage peripheral ICs |
| Integrated LIN physical layer support | UART hardware with automatic sync-break detection and checksum generation - reduces MCU overhead in automotive body electronics |
| Real-time clock with calendar | 99-year calendar, alarm, and clock correction - enables time-stamped logging without external RTC IC |
Applications
| Smart Thermostat Control | Industrial Sensor Node |
|---|---|
Use Scenario: Local temperature/humidity control with wireless reporting and user interface. IC Role / Device Role / Timing Role: Main system controller managing sensor reads, PID loop execution, display refresh, and sub-GHz RF transmission timing. Use Value: 64 KB flash accommodates full UI stack + sensor fusion algorithms; 0.57 μA STOP mode enables multi-year coin-cell operation between wake-ups. |
Use Scenario: Battery-powered vibration/temperature monitoring in factory equipment. IC Role / Device Role / Timing Role: Autonomous data acquisition unit performing scheduled ADC sampling, FFT preprocessing, and BLE packet formatting. Use Value: Integrated 10-bit A/D with 26-channel mux and internal temperature sensor eliminates external signal conditioning; RTC calendar enables timestamped maintenance logs. |
| Energy Meter Interface | Home Appliance Motor Control |
Use Scenario: Pulse counting and tariff switching in residential electricity meters. IC Role / Device Role / Timing Role: Isolated communication bridge between metrology ASIC and optical IR/RS-485 host interface. Use Value: UART/LIN and I²C interfaces support dual-protocol field communication; 1.6–5.5 V operation tolerates wide supply variance in meter power rails. |
Use Scenario: Fan speed regulation and fault monitoring in HVAC blowers and kitchen exhaust systems. IC Role / Device Role / Timing Role: Dedicated motor supervisor handling PWM generation, current sense ADC, thermal shutdown, and CAN/LIN command parsing. Use Value: 12-channel 16-bit timer array enables precise 3-phase commutation timing; built-in LVD prevents erratic behavior during brown-out conditions. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar 16-bit microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| R5F100LFDFA#V0 | Same package and pinout; includes 4 KB data flash for EEPROM emulation and firmware parameter storage | Suitable where field-upgradable calibration tables or secure boot keys must be retained independently of code flash | Select when nonvolatile parameter storage beyond code flash is required |
| RL78/G14 R5F11LFDFA#V0 | Enhanced RL78/G14 variant with larger 128 KB flash, 12 KB RAM, and additional 12-bit A/D channels | Better suited for complex HMI or multi-sensor fusion where memory headroom and analog channel count are limiting | Choose for future-proofing or when migrating from G13 to higher integration without PCB redesign |
Compared with R5F100LFDFA#V0, the R5F101LFDFA#V0 trades data flash for lower cost and simplified flash management, while the RL78/G14 alternative provides scalable memory and peripherals at the expense of higher BOM cost and power in minimal configurations.
Availability
R5F101LFDFA#V0 is available at Aetrix Electronics and suitable for industrial sensor nodes, smart HVAC controls, and energy metering interfaces requiring stable component supply across extended product lifecycles.
Supply support for R5F101LFDFA#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 delivers true low-power performance for general-purpose embedded control, targeting cost-sensitive, battery-operated, and industrial automation applications where reliability and long-term supply stability are critical.
FAQ
What is the maximum operating frequency and corresponding current consumption of the R5F101LFDFA#V0?
The R5F101LFDFA#V0 operates up to 32 MHz using its high-speed on-chip oscillator. At this frequency, typical active current is 66 μA per MHz - resulting in approximately 2.1 mA total at 32 MHz with all peripherals disabled. This value scales linearly with clock speed, enabling precise power budgeting across dynamic frequency scaling scenarios in the R5F101LFDFA#V0 design.
Does the R5F101LFDFA#V0 support in-system programming via standard interfaces?
Yes, the R5F101LFDFA#V0 supports in-system programming via its on-chip debug interface using Renesas E2 studio and E2 emulator. It does not support self-programming of code flash without external debugger intervention because it lacks data flash memory - unlike R5F100x variants. Firmware updates for the R5F101LFDFA#V0 require debug probe access or bootloader implementation via UART/I²C.
How many analog input channels are available on the R5F101LFDFA#V0, and what is their resolution?
The R5F101LFDFA#V0 features an 8/10-bit resolution A/D converter with up to 26 analog input channels, selectable via software configuration. The converter operates across the full 1.6–5.5 V supply range and includes an internal 1.45 V reference voltage and temperature sensor - both accessible through dedicated ANI pins. All 26 channels are usable simultaneously in scan mode within the R5F101LFDFA#V0's timing constraints.
Is the R5F101LFDFA#V0 pin-compatible with other RL78/G13 devices in the same package?
Yes, the R5F101LFDFA#V0 is fully pin-compatible with all other RL78/G13 64-pin LQFP variants (e.g., R5F100LFDFA#V0, R5F101LLDFA#V0) sharing the PLQP0064JA-A footprint and pin assignment. Signal mapping, power/ground pin locations, and debug interface pins are identical - enabling drop-in replacement for memory or feature upgrades without PCB modification in the R5F101LFDFA#V0 design context.
What industrial temperature grade does the R5F101LFDFA#V0 support, and how is it indicated in the part number?
The R5F101LFDFA#V0 supports the industrial temperature range of –40°C to +85°C, denoted by the "D" suffix in its RL78/G13 family part numbering convention. This grade is confirmed by the "D: Industrial applications, operating ambient temperature: –40°C to +85°C" specification in the official Renesas ordering guide - making the R5F101LFDFA#V0 suitable for deployment in factory automation, building controls, and outdoor metering environments.
R5F101LFDFA#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:
- 96KB (96K x 8)
- Program Memory Type:
- FLASH
- EEPROM Size:
- -
- RAM Size:
- 8K 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:
R5F101LFDFA#V0 FAQ
1.How can I place an order for R5F101LFDFA#V0 through Aetrix?
Please submit a Request for Quotation (RFQ) for R5F101LFDFA#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 R5F101LFDFA#V0 reliable?
The price and inventory of R5F101LFDFA#V0 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for R5F101LFDFA#V0 is usually 5 days.
3.What payment methods are accepted for R5F101LFDFA#V0?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for R5F101LFDFA#V0 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for R5F101LFDFA#V0?
R5F101LFDFA#V0 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your R5F101LFDFA#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 R5F101LFDFA#V0?
For technical support, including R5F101LFDFA#V0 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your R5F101LFDFA#V0 requirements.
6.How does Aetrix verify that R5F101LFDFA#V0 is sourced from the original manufacturer or authorized distributors?
All R5F101LFDFA#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 R5F101LFDFA#V0 meets industry standards.
7.What is the process for return or replacement of R5F101LFDFA#V0?
All R5F101LFDFA#V0 units undergo pre-shipment inspection (PSI). If there is an issue with R5F101LFDFA#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 R5F101LFDFA#V0 part is unused and in its original packaging.
Return procedure for R5F101LFDFA#V0:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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