Renesas R5F101LHDFA#V0
- Part No.:
- R5F101LHDFA#V0
- Manufacturer:
- Renesas
- Category:
- Microcontrollers
- Package:
- 64-LQFP
- Datasheet:
-
R5F101LHDFA#V0.pdf
- Description:
- IC MCU 16BIT 192KB FLASH 64LQFP
- Quantity:
- Payment:

- Shipping:

Inventory:3,670
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Product details
Overview
R5F101LHDFA#V0 from Renesas is a 64-pin LQFP-0.65mm, 128 KB flash, 8 KB RAM, RL78/G13 16-bit microcontroller with ultra-low power consumption (66 μA/MHz), real-time clock, 10-bit ADC (26 channels), and integrated UART/I²C/CSI interfaces - deployed in industrial sensor nodes and battery-powered control modules.
For engineers reviewing the R5F101LHDFA#V0 datasheet, R5F101LHDFA#V0 pinout, R5F101LHDFA#V0 application, or R5F101LHDFA#V0 equivalent, key selection criteria include its 128 KB code flash without data flash, -40°C to +85°C industrial temperature grade (D), 64-pin LQFP package, and support for SNOOZE mode operation with RTC+LVD active at 0.57 μA.
Technical Context
The R5F101LHDFA#V0 implements the RL78 CPU core with CISC architecture and 3-stage pipeline, enabling instruction execution times from 0.03125 μs (32 MHz high-speed mode) to 30.5 μs (32.768 kHz ultra-low-speed mode). It integrates a 12-bit interval timer, calendar-based real-time clock with alarm and correction, and on-chip voltage detector with 14 selectable LVD levels.
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 channel DMA controller (2-clock transfer latency), and serial interfaces: CSI (SPI-compatible), UART/LIN, and I²C - all configurable via dedicated SFRs and interrupt vectors.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core Architecture | RL78 16-bit CISC with 3-stage pipeline and 1 MB address space |
| Max Operating Frequency | 32 MHz (41 DMIPS), with selectable high-speed on-chip oscillator (±1.0% accuracy) |
| Flash Memory | 128 KB code flash only; no data flash (R5F101x series designation) |
| RAM Size | 8 KB on-chip RAM for variables, stack, and firmware execution |
| Power Consumption | 66 μA/MHz active; 0.57 μA in STOP mode with RTC + LVD enabled |
| Analog Peripherals | 10-bit ADC with 26 input channels, internal 1.45 V reference, and integrated temperature sensor |
| Operating Temperature | -40°C to +85°C (industrial-grade D suffix) |
Pinout & Package
Package: 64-pin LQFP (12 × 12 mm, 0.65-mm pitch), RoHS-compliant, JEDEC MS-026AC standard.
| 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 single-supply operation |
| P00–P07 | Port 0 general-purpose I/O | 8-bit bidirectional port with N-ch open-drain option, TTL input buffer, and programmable pull-up resistors |
| P10–P17 | Port 1 with serial interface functions | Configurable as SCK00/SCL00, SI00/RxD0, SO00/TxD0, or tool interface pins (TOOLRxD/TOOLTxD) |
| P20–P27 | Analog input / reference pins | Supports ANI0–ANI7, AVREFP/AVREFM, and internal temperature sensor connection |
| RESET | Active-low reset input | Accepts external reset signal; internally tied to on-chip POR and LVD circuits |
| CLKP/CLKM | External crystal oscillator inputs | Supports 32.768 kHz crystal for RTC or high-frequency crystals up to 20 MHz |
Key Features
| Feature | Design Value |
|---|---|
| Ultra-low-power STOP mode | 0.57 μA current draw with RTC and LVD active - enables multi-year battery life in metering applications |
| Self-programmable flash | Code flash supports in-application reprogramming with boot swap and flash shield window protection |
| Hardware DMA controller | 4-channel DMA with 2-clock latency for memory-to-peripheral transfers, reducing CPU overhead in data-intensive tasks |
| Integrated LIN-capable UART | UART module supports LIN 2.2 protocol with automatic sync-break detection and checksum generation |
| Real-time clock with calendar | RTC provides full BCD calendar (year/month/day/hour/min/sec), alarm, and ±1 ppm clock correction via software calibration |
Applications
| Smart Energy Metering | Industrial Sensor Hub |
|---|---|
Use Scenario: Standalone electricity/water/gas meter with tamper detection, pulse counting, and wireless reporting. IC Role / Device Role / Timing Role: Main system controller executing metrology algorithms, managing EEPROM-less parameter storage in flash, and driving optical/RF communication interfaces. Use Value: 128 KB flash accommodates dual-firmware images for field updates; RTC maintains accurate billing timestamps across power cycles. | Use Scenario: Multi-sensor node aggregating temperature, humidity, pressure, and vibration data for predictive maintenance. IC Role / Device Role / Timing Role: Central acquisition engine synchronizing ADC sampling, processing sensor fusion, and buffering data before transmission via UART or I²C to gateway MCU. Use Value: 26-channel 10-bit ADC enables simultaneous analog reads; SNOOZE mode allows periodic wake-up for low-duty-cycle sensing. |
| Home Appliance Control | Building Automation Panel |
Use Scenario: Washing machine main board controlling motor drivers, water valves, display, and user interface. IC Role / Device Role / Timing Role: Real-time task scheduler managing PWM motor control, touch-key scanning, buzzer output, and fault monitoring. Use Value: On-chip key interrupt and buzzer output controller eliminate external components; 8 KB RAM supports RTOS and UI state management. | Use Scenario: HVAC zone controller interfacing with thermostats, dampers, and CO₂ sensors via RS-485 and I²C. IC Role / Device Role / Timing Role: Protocol bridge translating Modbus RTU commands into local actuator control and sensor polling. Use Value: UART with LIN support simplifies integration with legacy building networks; -40°C to +85°C rating ensures reliability in unconditioned mechanical rooms. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| R5F101LHDFA#X0 | Identical electrical and functional specification; differs only in packaging (embossed tape vs. tray) | No change in circuit design or firmware; suitable for automated SMT assembly requiring tape-and-reel feed | Select #X0 for high-volume pick-and-place production; #V0 preferred for prototyping and small-batch builds |
| R5F101LHDFA#10 | Same die, same package, same temperature grade; differs only in packaging specification (tray, alternate moisture sensitivity level) | No impact on PCB layout, thermal performance, or runtime behavior; identical qualification and reliability data | Choose #10 when moisture sensitivity requirements mandate MSL-3 handling per J-STD-020 |
Compared with R5F101LHDFA#X0 and R5F101LHDFA#10, the R5F101LHDFA#V0 offers identical core functionality and pinout but is optimized for manual handling and evaluation use via tray packaging - eliminating tape-related feeding complexity while maintaining full compatibility in design-in and validation phases.
Availability
R5F101LHDFA#V0 is available at Aetrix Electronics and suitable for industrial sensor hubs, smart energy metering, and building automation panels requiring stable component supply and long-term lifecycle assurance.
Supply support for R5F101LHDFA#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 ultra-low-power 16-bit MCUs targeting cost-sensitive, battery-operated, and industrial control applications where energy efficiency, integration, and qualification rigor are critical.
FAQ
What is the flash memory configuration of the R5F101LHDFA#V0?
The R5F101LHDFA#V0 contains 128 KB of code flash memory and no data flash memory - consistent with the "101" series designation in the RL78/G13 family. This configuration supports firmware storage and self-programming with boot swap capability, but requires external non-volatile memory or flash emulation techniques for parameter logging.
Does the R5F101LHDFA#V0 support real-time clock functionality with calendar mode?
Yes, the R5F101LHDFA#V0 integrates a full-featured real-time clock with calendar support (year/month/day/hour/minute/second), alarm interrupt, and software-adjustable clock correction. It operates independently in STOP mode with only 0.57 μA current draw, enabling precise timekeeping during ultra-low-power states.
What is the operating temperature range certified for the R5F101LHDFA#V0?
The R5F101LHDFA#V0 is rated for industrial operation from -40°C to +85°C, indicated by the "D" suffix in its part number. This qualifies it for deployment in harsh environments such as factory floors, utility meter enclosures, and outdoor building automation equipment.
How many analog input channels does the R5F101LHDFA#V0 support?
The R5F101LHDFA#V0 supports up to 26 analog input channels on its 10-bit ADC, with dedicated pins including P20–P27 and additional multiplexed ANIx functions on other ports. Internal reference voltage (1.45 V) and temperature sensor are accessible via the same ADC subsystem.
Is the R5F101LHDFA#V0 pin-compatible with other RL78/G13 64-pin variants?
Yes, the R5F101LHDFA#V0 shares identical pinout and package dimensions (64-pin LQFP, 0.65-mm pitch) with all other RL78/G13 devices in the same pin-count group - including R5F100x and R5F101x variants - enabling hardware reuse across flash/RAM configurations and data-flash presence options.
R5F101LHDFA#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:
- 192KB (192K x 8)
- Program Memory Type:
- FLASH
- EEPROM Size:
- -
- RAM Size:
- 16K 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:
R5F101LHDFA#V0 FAQ
1.How can I place an order for R5F101LHDFA#V0 through Aetrix?
Please submit a Request for Quotation (RFQ) for R5F101LHDFA#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 R5F101LHDFA#V0 reliable?
The price and inventory of R5F101LHDFA#V0 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for R5F101LHDFA#V0 is usually 5 days.
3.What payment methods are accepted for R5F101LHDFA#V0?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for R5F101LHDFA#V0 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for R5F101LHDFA#V0?
R5F101LHDFA#V0 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your R5F101LHDFA#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 R5F101LHDFA#V0?
For technical support, including R5F101LHDFA#V0 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your R5F101LHDFA#V0 requirements.
6.How does Aetrix verify that R5F101LHDFA#V0 is sourced from the original manufacturer or authorized distributors?
All R5F101LHDFA#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 R5F101LHDFA#V0 meets industry standards.
7.What is the process for return or replacement of R5F101LHDFA#V0?
All R5F101LHDFA#V0 units undergo pre-shipment inspection (PSI). If there is an issue with R5F101LHDFA#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 R5F101LHDFA#V0 part is unused and in its original packaging.
Return procedure for R5F101LHDFA#V0:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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