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Renesas R5F101LHAFA#X0
- Part No.:
- R5F101LHAFA#X0
- Manufacturer:
- Renesas
- Category:
- Microcontrollers
- Package:
- 64-LQFP
- Datasheet:
-
R5F101LHAFA#X0.pdf
- Description:
- IC MCU 16BIT 192KB FLASH 64LQFP
- Quantity:
- Payment:
- Shipping:
Inventory:4,731
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Product details
Overview
R5F101LHAFA#X0 from Renesas is a 64-pin LQFP-0.65mm microcontroller in the RL78/G13 family, featuring 128 KB flash memory, 12 KB RAM, and no data flash. It operates from 1.6 V to 5.5 V, delivers 41 DMIPS at 32 MHz, and supports ultra-low-power modes (0.57 μA in RTC+LVD mode), targeting battery-powered industrial sensors and smart metering interfaces.
For engineers reviewing the R5F101LHAFA#X0 datasheet, R5F101LHAFA#X0 pinout, R5F101LHAFA#X0 application, or R5F101LHAFA#X0 equivalent, key selection criteria include its 64-pin LQFP package, absence of on-chip data flash, -40°C to +85°C industrial temperature grade (D-grade), and integrated 10-bit 26-channel ADC with internal temperature sensor.
Technical Context
The R5F101LHAFA#X0 implements the RL78 CPU core with CISC architecture and 3-stage pipeline, supporting instruction execution times from 0.03125 μs (32 MHz) to 30.5 μs (32.768 kHz). It integrates a 12-bit interval timer, real-time clock with calendar/alarm, and watchdog timer with dedicated low-speed oscillator.
Peripheral integration includes up to 16 channels of 16-bit timers, 3–10 I²C/Simplified I²C channels, 2–4 UART/LIN channels, 2–8 CSI (SPI-compatible) channels, and DMA controller with 2/4 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 Clock Speed | 32 MHz - delivers 41 DMIPS for deterministic real-time control |
| Flash Memory | 128 KB code flash - supports block erase (1 KB), self-programming, and boot swap |
| RAM | 12 KB on-chip RAM - used for variables, stack, and flash library operations (start address FF300H) |
| ADC | 10-bit resolution, 26 analog inputs, internal 1.45 V reference and temperature sensor |
| Power Modes | HALT (66 μA/MHz), STOP (0.57 μA), SNOOZE - enables multi-year battery life in sensing nodes |
| Operating Temp | -40°C to +85°C (D-grade) - qualified for industrial ambient conditions without derating |
Pinout & Package
Package: 64-pin LQFP, 12 × 12 mm, 0.65 mm pitch, surface-mount (JEDEC MS-026).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| P10–P17 | General-purpose I/O / SCK00 / SCL00 | Configurable as GPIO or SPI/I²C clock; supports different-potential interface (1.8/2.5/3 V) |
| P11–P16 | General-purpose I/O / SI00 / RxD0 / TOOLRxD / SDA00 | Multi-function pins enabling debug communication (TOOLRxD) and I²C data (SDA00) |
| P20–P27 | Analog input / AVREFP / AVREFM | ADC channel inputs with dedicated analog reference voltage pins for precision measurement |
| P30–P37 | General-purpose I/O / INTP0–INTP7 | Support external interrupt triggering and key interrupt function for wake-up from STOP mode |
| VDD, VSS | Power supply / Ground | Single 1.6–5.5 V supply; multiple VDD/VSS pairs ensure noise immunity and stable core/peripheral operation |
Key Features
| Feature | Design Value |
|---|---|
| Ultra-low-power HALT/STOP/SNOOZE modes | Enables sub-μA system sleep states while retaining RTC and LVD functionality for event-triggered wake-up |
| On-chip high-accuracy oscillator | ±1.0% accuracy across 1.8–5.5 V and -20 to +85°C - eliminates need for external crystal in cost-sensitive designs |
| Background operation (BGO) | Not applicable - R5F101LHAFA#X0 has no data flash; BGO is only for data flash rewrite (not present) |
| Integrated temperature sensor | Calibrated 10-bit ADC channel usable for ambient or die temperature monitoring without external components |
| Multi-voltage I/O capability | GPIOs support direct interfacing with 1.8 V, 2.5 V, or 3 V logic devices - simplifies mixed-voltage system design |
Applications
| Smart Energy Metering Interface | Industrial Sensor Node Controller |
|---|---|
Use Scenario: Communicates with metrology ICs and displays via UART/LIN and I²C while logging data to external EEPROM. IC Role / Device Role / Timing Role: Primary MCU managing serial protocols, real-time timestamping, and low-power wake-up scheduling. Use Value: 128 KB flash stores firmware + calibration tables; RTC with alarm enables scheduled meter reads without host intervention. | Use Scenario: Reads temperature, humidity, and pressure sensors in factory-floor condition monitors. IC Role / Device Role / Timing Role: Signal acquisition and preprocessing unit with ADC oversampling and digital filtering before wireless transmission. Use Value: 26-channel 10-bit ADC with internal reference and temperature sensor reduces BOM count and improves measurement consistency. |
| Home Appliance Motor Control | Building Automation Panel |
Use Scenario: Controls BLDC fan motors using PWM outputs and monitors current/voltage feedback via ADC. IC Role / Device Role / Timing Role: Real-time motor commutation controller with precise timing from 16-bit timers and interrupt-driven current sampling. Use Value: 16× 16-bit timers provide independent PWM channels and dead-time insertion; 41 DMIPS ensures fast PID loop execution. | Use Scenario: Manages HVAC zone actuators, LED indicators, and push-button UI in wall-mounted controllers. IC Role / Device Role / Timing Role: System coordinator handling button debouncing, display refresh, and relay drive sequencing. Use Value: On-chip key interrupt and buzzer output controller reduce external logic; 64-pin LQFP allows full peripheral access without routing congestion. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| R5F100LHAFA#X0 | Includes 8 KB data flash and same 128 KB code flash, 12 KB RAM, identical pinout and peripherals | Required where firmware updates or parameter storage in on-chip nonvolatile memory is needed | Select when field-upgradable configuration or secure logging is mandatory |
| R5F101LHAFA#V0 | Identical electrical and functional specification; differs only in packaging (tray vs. embossed tape) | No functional difference - suitable for same PCB and firmware | Choose for manual or semi-automated assembly where tray packaging is preferred |
Compared with R5F100LHAFA#X0, the R5F101LHAFA#X0 omits data flash to reduce cost and simplify firmware update architecture; compared with R5F101LHAFA#V0, it offers tape-and-reel delivery optimized for high-volume SMT lines.
Availability
R5F101LHAFA#X0 is available at Aetrix Electronics and suitable for industrial sensor nodes, smart metering interfaces, and building automation panels requiring stable component supply across extended product lifecycles.
Supply support for R5F101LHAFA#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 performance for general-purpose embedded applications, emphasizing energy efficiency, integration, and ease of migration within the RL78 ecosystem.
FAQ
What is the flash memory configuration of the R5F101LHAFA#X0?
The R5F101LHAFA#X0 contains 128 KB of code flash memory and no on-chip data flash. This configuration targets applications where firmware storage is primary and parameter retention is handled externally or via backup SRAM with battery/capacitor support. The flash supports block erase (1 KB), self-programming, and boot swap functionality - all accessible through the standard RL78 flash library.
Does the R5F101LHAFA#X0 support real-time clock (RTC) functionality?
Yes, the R5F101LHAFA#X0 integrates a full-featured RTC with calendar support (99-year range), alarm interrupt, and clock correction function. It operates independently in STOP mode using the 32.768 kHz subsystem clock, consuming only 0.57 μA total system current - making it ideal for time-stamped logging and scheduled wake-up in battery-powered systems.
What is the operating temperature range for the R5F101LHAFA#X0?
The R5F101LHAFA#X0 is rated for industrial operation from -40°C to +85°C (D-grade). This qualification ensures reliable performance in factory automation, smart grid infrastructure, and outdoor equipment without thermal derating or additional cooling measures.
How many analog-to-digital converter (ADC) channels does the R5F101LHAFA#X0 provide?
The R5F101LHAFA#X0 features a 10-bit successive-approximation ADC with up to 26 analog input channels. It includes an internal 1.45 V reference voltage and a calibrated temperature sensor - enabling accurate environmental monitoring and sensor signal conditioning without external references or thermal sensors.
Is the R5F101LHAFA#X0 pin-compatible with other RL78/G13 variants in the 64-pin LQFP package?
Yes, the R5F101LHAFA#X0 shares identical pinout and electrical characteristics with all other RL78/G13 64-pin LQFP variants (e.g., R5F100LHAFA#X0, R5F101LHAFA#V0), including identical I/O mapping, power pin locations, and reset/debug interface placement - enabling hardware reuse across firmware variants and data-flash-enabled counterparts.
R5F101LHAFA#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:
- 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:
R5F101LHAFA#X0 FAQ
1.How can I place an order for R5F101LHAFA#X0 through Aetrix?
Please submit a Request for Quotation (RFQ) for R5F101LHAFA#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 R5F101LHAFA#X0 reliable?
The price and inventory of R5F101LHAFA#X0 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for R5F101LHAFA#X0 is usually 5 days.
3.What payment methods are accepted for R5F101LHAFA#X0?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for R5F101LHAFA#X0 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for R5F101LHAFA#X0?
R5F101LHAFA#X0 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your R5F101LHAFA#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 R5F101LHAFA#X0?
For technical support, including R5F101LHAFA#X0 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your R5F101LHAFA#X0 requirements.
6.How does Aetrix verify that R5F101LHAFA#X0 is sourced from the original manufacturer or authorized distributors?
All R5F101LHAFA#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 R5F101LHAFA#X0 meets industry standards.
7.What is the process for return or replacement of R5F101LHAFA#X0?
All R5F101LHAFA#X0 units undergo pre-shipment inspection (PSI). If there is an issue with R5F101LHAFA#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 R5F101LHAFA#X0 part is unused and in its original packaging.
Return procedure for R5F101LHAFA#X0:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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