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Renesas R5F101LLAFA#30
- Part No.:
- R5F101LLAFA#30
- Manufacturer:
- Renesas
- Category:
- Microcontrollers
- Package:
- 64-LQFP
- Datasheet:
-
R5F101LLAFA#30.pdf
- Description:
- IC MCU 16BIT 512KB FLASH 64LQFP
- Quantity:
- Payment:
- Shipping:
Inventory:4,251
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Product details
Overview
R5F101LLAFA#30 from Renesas is a 64-pin LQFP-0.65mm, 16-bit RL78/G13 microcontroller with 512 KB flash, 32 KB RAM, and no data flash memory, operating from 1.6 V to 5.5 V at up to 32 MHz (41 DMIPS), optimized for ultra-low-power industrial control applications requiring RTC, LVD, and multi-protocol serial interfaces.
For engineers reviewing the R5F101LLAFA#30 datasheet, R5F101LLAFA#30 pinout, R5F101LLAFA#30 application, or R5F101LLAFA#30 equivalent, this page delivers verified electrical specs, package mapping, real-world use cases, and validated alternative options for embedded system design, BOM optimization, and long-term supply continuity.
Technical Context
The R5F101LLAFA#30 implements the RL78 CPU core with 3-stage pipeline CISC architecture, supporting instruction execution times from 0.03125 μs (32 MHz high-speed mode) to 30.5 μs (32.768 kHz subsystem clock), and features a unified 1 MB address space with four register banks of eight 8-bit registers each.
It integrates 16-bit timers (16 channels), a calendar-capable real-time clock with alarm and correction, 10-bit A/D converter (26-channel), and three serial interface types - CSI (SPI-compatible), UART/LIN (4 channels), and I²C (10 channels) - all configurable without external components.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core Architecture | RL78 16-bit CISC with 3-stage pipeline, 1 MB address space, 4 register banks |
| Max Operating Frequency | 32 MHz (41 DMIPS), with selectable high-speed on-chip oscillator (±1.0% accuracy) |
| Memory Configuration | 512 KB code flash, 32 KB RAM, 0 KB data flash - supports self-programming with boot swap |
| Power Consumption | 66 μA/MHz active; 0.57 μA in STOP mode with RTC + LVD enabled |
| Analog Peripherals | 10-bit A/D converter with 26 input channels, internal 1.45 V reference, and temperature sensor |
| Serial Interfaces | CSI (SPI-like, 8 channels), UART/LIN (4 channels), I²C (10 channels) - all on-chip, no external transceivers needed |
| Operating Temperature | –40°C to +85°C (Industrial-grade 'A' variant per part number suffix) |
Pinout & Package
Package: 64-pin LQFP, 12 × 12 mm, 0.65-mm pitch (JEDEC MS-026AC), RoHS-compliant, moisture sensitivity level 3.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDD, VSS | Power supply and ground | Dual power domains support mixed-voltage I/O (1.8/2.5/3.3 V interface capability) |
| P00–P07, P10–P17, P20–P27, P30–P37, P40–P47, P50–P57, P60–P67, P70–P77 | General-purpose I/O ports | Up to 64 programmable pins with N-ch open-drain, TTL input buffer, and on-chip pull-up options |
| P10/SCK00/SCL00 | Serial clock input/output | Shared CSI0 clock or I²C SCL; enables dual-protocol reuse of same pin |
| P11/SI00/RxD0/TOOLRxD/SDA00 | Multi-function serial data pin | Supports CSI0 input, UART0 receive, debug tool interface, or I²C SDA - software-selectable |
| RTCCLK, RTCOUT | Real-time clock oscillator terminals | Connects to 32.768 kHz crystal; enables calendar mode with alarm and auto-correction |
Key Features
| Feature | Design Value |
|---|---|
| Ultra-low-power STOP mode | 0.57 μA retention with RTC + LVD active - enables battery-backed operation for >10 years on CR2032 |
| On-chip debug & self-programming | Full on-chip debug via single-wire interface; flash shield window prevents unauthorized reprogramming |
| Background data flash rewrite | Not applicable - R5F101xx series lacks data flash memory; code flash only |
| Multi-protocol serial flexibility | Single pin (e.g., P11) serves CSI, UART, I²C, and debug functions - reduces PCB routing complexity |
| Hardware DMA controller | 4-channel DMA with 2-clock transfer between SFR and RAM - offloads CPU during sensor/data streaming |
Applications
| Smart Energy Metering | Industrial Sensor Node |
|---|---|
Use Scenario: Standalone electricity meter with tamper detection, pulse counting, and RS-485 communication. IC Role / Device Role / Timing Role: Main controller executing metrology algorithms, managing EEPROM-less calibration storage in flash, and driving isolated UART for DLMS/COSEM protocol. Use Value: Ultra-low STOP-mode current extends battery life during mains failure; integrated LIN-capable UART simplifies HAN interface without external transceiver. |
Use Scenario: Wireless vibration/temperature node with local edge processing before LoRaWAN transmission. IC Role / Device Role / Timing Role: Sensor hub aggregating analog (thermistor, accelerometer) and digital (I²C humidity) inputs; schedules wake-up via RTC alarm. Use Value: 26-channel 10-bit ADC captures multi-sensor data simultaneously; 32 KB RAM buffers time-series samples for FFT preprocessing prior to radio burst. |
| Home Appliance Control | Building Automation Panel |
Use Scenario: Washing machine main board managing motor drive, water valves, display, and user interface. IC Role / Device Role / Timing Role: Real-time task scheduler coordinating PWM motor control, touch-key scanning, buzzer output, and fault logging. Use Value: On-chip buzzer controller eliminates external driver; key interrupt function detects button press during deep sleep with zero wake latency. |
Use Scenario: HVAC zone controller interfacing with thermostats, dampers, and Modbus RTU gateway. IC Role / Device Role / Timing Role: Protocol bridge translating local I²C sensor reads into Modbus frames over RS-485 using UART+transceiver. Use Value: 4 UART channels allow concurrent Modbus master/slave, debug console, and service port; 512 KB flash hosts field-upgradable firmware and configuration tables. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| R5F101LLAFA#50 | Identical silicon; differs only in packaging - embossed tape vs. tray (JEDec #V0 → #50) | No functional difference; selected for automated SMT line compatibility | Preferred for high-volume pick-and-place assembly; same footprint, timing, and qualification |
| R5F100LLAFA#30 | Same package and pinout, but includes 8 KB data flash memory and reduced code flash (128 KB) | Suitable where background data logging or parameter storage is required without external EEPROM | Choose when nonvolatile parameter retention across resets is critical; trade-off is lower program memory capacity |
Compared with R5F101LLAFA#30, the #50 variant offers identical functionality in tape-and-reel format for production scalability, while R5F100LLAFA#30 adds data flash at the cost of 384 KB code memory - enabling field-upgradeable calibration without external memory but limiting application code size.
Availability
R5F101LLAFA#30 is available at Aetrix Electronics and suitable for industrial automation, smart metering, and building control systems requiring stable component supply, long-lifecycle assurance, and automotive-qualified traceability.
Supply support for R5F101LLAFA#30 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 targets cost-sensitive, ultra-low-power general-purpose embedded applications - balancing performance, energy efficiency, and integration to replace legacy 8/16-bit MCUs in industrial controls and consumer appliances.
FAQ
What is the maximum operating frequency and corresponding DMIPS rating for R5F101LLAFA#30?
The R5F101LLAFA#30 achieves a maximum operating frequency of 32 MHz with a measured performance of 41 DMIPS. This is enabled by its RL78 CPU core's 3-stage pipeline and high-speed on-chip oscillator, which maintains ±1.0% accuracy across 1.8–5.5 V and –40°C to +85°C. The R5F101LLAFA#30 delivers deterministic real-time response for time-critical control loops without external clock sources.
Does R5F101LLAFA#30 include data flash memory, and how does that affect firmware updates?
No, the R5F101LLAFA#30 does not include data flash memory - it contains 512 KB of code flash and 32 KB of RAM only. Firmware updates are performed directly to code flash using the on-chip self-programming function with boot swap capability. This eliminates need for external EEPROM but requires careful partitioning of flash sectors to maintain safe dual-bank update logic in the R5F101LLAFA#30 application.
Which serial communication protocols are supported natively on R5F101LLAFA#30 without external transceivers?
The R5F101LLAFA#30 supports CSI (SPI-compatible), UART/LIN, and I²C protocols natively on-chip. All three operate directly from GPIO pins - for example, P10 and P11 can be configured as SCK00/SI00 for CSI, RxD0/TxD0 for UART, or SCL00/SDA00 for I²C. No external level shifters or transceivers are required for basic point-to-point communication within the same voltage domain.
What low-power modes are available on R5F101LLAFA#30, and what peripherals remain active in STOP mode?
The R5F101LLAFA#30 supports HALT, STOP, and SNOOZE low-power modes. In STOP mode, the CPU and most peripherals halt, but the real-time clock (RTC) and low-voltage detector (LVD) remain fully operational at 0.57 μA typical. Wake-up is possible via RTC alarm, LVD threshold breach, or external interrupt - enabling precise time-triggered operations with minimal energy overhead in the R5F101LLAFA#30 design.
Is R5F101LLAFA#30 pin-compatible with other RL78/G13 variants in the 64-pin LQFP package?
Yes, all RL78/G13 64-pin LQFP variants - including R5F100LLAFA#30 and R5F101LLAFA#30 - share identical pinouts and package dimensions (PLQP0064JA-A). Differences are limited to internal memory configuration and data flash presence. Hardware designs targeting R5F101LLAFA#30 can be reused for R5F100LLAFA#30 with only firmware and linker script adjustments - no PCB change required.
R5F101LLAFA#30 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Renesas
- Package/Case:
- 64-LQFP
- Series:
- RL78/G13
- Packaging:
- Tray
- Product Status:
- Last Time Buy
- 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:
- 512KB (512K x 8)
- Program Memory Type:
- FLASH
- EEPROM Size:
- -
- RAM Size:
- 32K 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:
R5F101LLAFA#30 FAQ
1.How can I place an order for R5F101LLAFA#30 through Aetrix?
Please submit a Request for Quotation (RFQ) for R5F101LLAFA#30 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 R5F101LLAFA#30 reliable?
The price and inventory of R5F101LLAFA#30 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for R5F101LLAFA#30 is usually 5 days.
3.What payment methods are accepted for R5F101LLAFA#30?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for R5F101LLAFA#30 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for R5F101LLAFA#30?
R5F101LLAFA#30 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your R5F101LLAFA#30 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 R5F101LLAFA#30?
For technical support, including R5F101LLAFA#30 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your R5F101LLAFA#30 requirements.
6.How does Aetrix verify that R5F101LLAFA#30 is sourced from the original manufacturer or authorized distributors?
All R5F101LLAFA#30 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 R5F101LLAFA#30 meets industry standards.
7.What is the process for return or replacement of R5F101LLAFA#30?
All R5F101LLAFA#30 units undergo pre-shipment inspection (PSI). If there is an issue with R5F101LLAFA#30, 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 R5F101LLAFA#30 part is unused and in its original packaging.
Return procedure for R5F101LLAFA#30:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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