Renesas R7F101GLE3CFA#AA1
- Part No.:
- R7F101GLE3CFA#AA1
- Manufacturer:
- Renesas
- Category:
- Microcontrollers
- Package:
- 64-LQFP
- Datasheet:
-
R7F101GLE3CFA#AA1.pdf
- Description:
- MCU:RL78
- Quantity:
- Payment:

- Shipping:

Inventory:4,769
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Product details
Overview
R7F101GLE3CFA#AA1 from Renesas is a 64-pin LQFP-64, 128 KB flash, 12 KB RAM RL78/G24 microcontroller with 48-MHz CPU, integrated DALI-2 and PMBus/SMBus interfaces, FAA accelerator, and 12-bit ADC for digital power supply and lighting control applications.
For engineers reviewing the R7F101GLE3CFA#AA1 datasheet, R7F101GLE3CFA#AA1 pinout, R7F101GLE3CFA#AA1 application, or R7F101GLE3CFA#AA1 equivalent, this MCU delivers ultra-low-power operation (50 µA/MHz), flexible timer resources (KB30–KB32 complementary PWM), and dual-voltage I/O support for industrial lighting and smart power systems.
Technical Context
The R7F101GLE3CFA#AA1 integrates an RL78 CPU core with 3-stage pipeline and configurable instruction timing (0.02083 µs min @ 48 MHz), plus a dedicated Flexible Application Accelerator (FAA) supporting 32-bit signed multiply/accumulate with 33-bit internal precision and shared 32-byte memory between CPU and FAA.
It features dual-domain clocking: high-speed on-chip oscillator (±1.0% accuracy, 48 MHz option), low-speed 32.768 kHz subsystem clock, and event-driven peripherals via Event Link Controller (ELC) with 34 configurable signal paths-enabling deterministic real-time response in motor and lighting control loops.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | RL78 CISC with 3-stage pipeline; supports 0.02083 µs min instruction time at 48 MHz |
| Flash / RAM | 128 KB code flash (2 KB blocks), 4 KB data flash (1M rewrite cycles), 12 KB on-chip RAM |
| Operating Voltage | 1.6 V to 5.5 V; supports mixed-voltage I/O (1.8/2.5/3.0 V compatible) |
| ADC | 12-bit resolution, up to 23 channels with dual sample-and-hold for simultaneous sampling |
| DALI & PMBus | Single dedicated DALI-2 interface + single I²C-based SM/PM bus interface for digital lighting control |
| Timers | KB30–KB32: 3× 16-bit complementary PWM timers with 651-ps average resolution (96 MHz dithered clock) |
| Power Modes | HALT, STOP (fast wakeup), SNOOZE; 50 µA/MHz active current at 48 MHz |
Pinout & Package
64-pin plastic LQFP (12 × 12 mm, 0.65-mm pitch), RoHS-compliant, industrial temperature grade (–40°C to +105°C).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| P00–P01 | Multi-function I/O with analog input (ANI29/ANI30), UART/DALI, TAU timer | Primary serial comms and analog sensing interface; supports DALI-2 physical layer signaling |
| P10–P15 | I²C/SPI/UART peripheral pins (SCK11/SDA11/SI20/RxD2/etc.) | Configurable communication hub for PMBus, DALI, and secondary I²C buses |
| P120–P147 | Analog inputs (ANI19–ANI18), comparator (IVCMP0–IVCMP3), PGA (PGAI0–PGAI3) | High-precision analog front-end for current/voltage sensing in closed-loop power control |
| P16–P17 | TAU timer outputs (TI01/TO01, TI02/TO02), TRDIOx for PWM gating | Direct drive of external gate drivers; supports interleaved PFC and smooth start in digital PSUs |
| RESET, REGC, VDD, VSS | Power management and reset control | REGC requires 0.47–1 µF capacitor to VSS; supports robust brown-out detection (LVD0/LVD1) |
Key Features
| Feature | Design Value |
|---|---|
| Flexible Application Accelerator (FAA) | Offloads 32-bit MAC operations from CPU; enables real-time digital power loop execution without CPU intervention |
| Dedicated DALI-2 Interface | Hardware-level DALI-2 compliance (IEC 62386-102); eliminates need for external transceiver or bit-banging firmware |
| Complementary PWM Timers (KB30–KB32) | 651-ps average resolution enables precise dead-time control and dithered switching for EMI reduction in LED drivers |
| Background Data Flash Rewrite | Enables field firmware updates and parameter storage while executing application code from program memory |
| Mixed-Voltage I/O Support | Direct interface to 1.8 V, 2.5 V, or 3.0 V logic without level shifters-reducing BOM count in multi-rail lighting systems |
Applications
| LED Street Lighting Control | Digital AC-DC Power Supply |
|---|---|
Use Scenario: Outdoor LED luminaire with adaptive dimming, thermal derating, and grid communication via DALI-2. IC Role / Device Role / Timing Role: Main system controller executing DALI-2 stack, PWM dimming, and analog sensor acquisition. Use Value: Integrated DALI-2 PHY and FAA enable full protocol stack execution with <5% CPU load, extending firmware update headroom. | Use Scenario: 100–300 W digitally controlled AC-DC converter with active PFC and LLC resonant stages. IC Role / Device Role / Timing Role: Primary digital power controller managing voltage/current loops, protection, and PMBus telemetry. Use Value: KB30–KB32 timers deliver 651-ps average PWM resolution for precise phase-shift control and dithered switching, reducing conducted EMI by >10 dBµV. |
| Smart Industrial Lighting Panel | Programmable DALI Gateway |
Use Scenario: Multi-zone office lighting panel with occupancy sensing, daylight harvesting, and local scheduling. IC Role / Device Role / Timing Role: Central lighting manager coordinating DALI subnets, analog ambient light sensing, and real-time clock scheduling. Use Value: Dual 12-bit ADC channels with simultaneous sampling allow concurrent lux and color temperature measurement without timing skew. | Use Scenario: DIN-rail mounted gateway bridging DALI-2 lighting networks to Ethernet/Modbus TCP or wireless protocols. IC Role / Device Role / Timing Role: Protocol translation engine with DALI-2 master interface and secondary UART/I²C host interface. Use Value: Dedicated DALI-2 hardware and 128 KB flash support full DALI-2 Part 102/207/309 compliance and secure firmware updates over PMBus. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| R7F101GLG3CFA | Same package and pinout; 64 KB flash, 12 KB RAM, identical peripheral set | Suitable where firmware size <64 KB and cost sensitivity outweighs future scalability | Select when BOM cost optimization is critical and no planned feature expansion beyond current firmware footprint |
| RL78/G23 R7F100GLG3CFB | 64-pin LQFP, 128 KB flash, but lacks DALI-2 interface and FAA core; lower max CPU speed (32 MHz) | Applicable only in non-DALI lighting or simpler power control where FAA acceleration is unnecessary | Choose only if DALI-2 and real-time digital power loop acceleration are not required |
Compared with R7F101GLG3CFA, the R7F101GLE3CFA#AA1 provides double flash capacity for complex lighting stacks and OTA updates; versus RL78/G23, it adds DALI-2 hardware and FAA-enabling certified digital lighting control without external components or CPU overhead.
Availability
R7F101GLE3CFA#AA1 is available at Aetrix Electronics and suitable for LED street lighting control, digital AC-DC power supplies, and smart industrial lighting panels requiring stable component supply across extended industrial temperature ranges.
Supply support for R7F101GLE3CFA#AA1 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 Corporation is a global semiconductor leader delivering trusted embedded solutions for automotive, industrial, infrastructure, and IoT markets.
The RL78/G24 product line targets digital power conversion and intelligent lighting systems, integrating specialized peripherals-including DALI-2, FAA, and high-resolution complementary PWM-to reduce system complexity and accelerate time-to-certification.
FAQ
What is the maximum operating frequency and power consumption of the R7F101GLE3CFA#AA1?
The R7F101GLE3CFA#AA1 operates at up to 48 MHz with a typical active current of 50 µA/MHz, achieving 2.4 mA total at full speed. Its HALT and STOP modes reduce current to sub-µA levels, and fast wakeup from STOP mode supports responsive real-time control in lighting and power applications where R7F101GLE3CFA#AA1 is deployed.
Does the R7F101GLE3CFA#AA1 include hardware support for DALI-2 communication?
Yes, the R7F101GLE3CFA#AA1 integrates a dedicated DALI-2 physical layer interface compliant with IEC 62386-102, eliminating the need for external transceivers. This hardware block handles signal timing, collision detection, and bus arbitration-enabling full DALI-2 master/slave functionality directly in firmware without bit-banging overhead on the R7F101GLE3CFA#AA1.
What analog capabilities does the R7F101GLE3CFA#AA1 provide for power supply feedback?
The R7F101GLE3CFA#AA1 includes a 12-bit ADC with up to 23 input channels, two independent sample-and-hold circuits for simultaneous voltage/current sampling, four comparators with selectable reference sources (including DAC output), and a programmable gain amplifier. These features enable precise, synchronized acquisition for digital power control loops on the R7F101GLE3CFA#AA1.
Can the R7F101GLE3CFA#AA1 execute firmware updates while running application code?
Yes, the R7F101GLE3CFA#AA1 supports background operation (BGO) for its 4 KB data flash memory, allowing firmware parameters or calibration data to be rewritten while the main application executes from code flash. This capability enables safe over-the-air updates and runtime configuration changes without halting control loops on the R7F101GLE3CFA#AA1.
What is the role of the Flexible Application Accelerator (FAA) in the R7F101GLE3CFA#AA1?
The FAA in the R7F101GLE3CFA#AA1 is a dedicated 32-bit arithmetic unit supporting multiply-accumulate, limit operations, and address pointer arithmetic with 33-bit internal precision. It offloads repetitive digital power calculations-such as PID loops or vector control-from the main CPU, enabling deterministic real-time performance and freeing the R7F101GLE3CFA#AA1 CPU for higher-layer tasks like communication and diagnostics.
R7F101GLE3CFA#AA1 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Renesas
- Package/Case:
- 64-LQFP
- Series:
- RL78/G24
- Packaging:
- Tray
- Product Status:
- Last Time Buy
- Programmable:
- -
- Core Processor:
- RL78
- Core Size:
- 16-Bit
- Speed:
- 48MHz
- Connectivity:
- CSI, I2C, LINbus, SPI, UART/USART
- Peripherals:
- LVD, POR, PWM, WDT
- Number of I/O:
- 54
- Program Memory Size:
- 64KB (64K x 8)
- Program Memory Type:
- FLASH
- EEPROM Size:
- 4K x 8
- RAM Size:
- 12K x 8
- Voltage - Supply (Vcc/Vdd):
- 1.6V ~ 5.5V
- Data Converters:
- A/D 23x8/10/12b; D/A 3x8/10b
- Oscillator Type:
- Internal
- Operating Temperature:
- -40°C ~ 105°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
R7F101GLE3CFA#AA1 FAQ
1.How can I place an order for R7F101GLE3CFA#AA1 through Aetrix?
Please submit a Request for Quotation (RFQ) for R7F101GLE3CFA#AA1 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 R7F101GLE3CFA#AA1 reliable?
The price and inventory of R7F101GLE3CFA#AA1 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for R7F101GLE3CFA#AA1 is usually 5 days.
3.What payment methods are accepted for R7F101GLE3CFA#AA1?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for R7F101GLE3CFA#AA1 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for R7F101GLE3CFA#AA1?
R7F101GLE3CFA#AA1 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your R7F101GLE3CFA#AA1 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 R7F101GLE3CFA#AA1?
For technical support, including R7F101GLE3CFA#AA1 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your R7F101GLE3CFA#AA1 requirements.
6.How does Aetrix verify that R7F101GLE3CFA#AA1 is sourced from the original manufacturer or authorized distributors?
All R7F101GLE3CFA#AA1 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 R7F101GLE3CFA#AA1 meets industry standards.
7.What is the process for return or replacement of R7F101GLE3CFA#AA1?
All R7F101GLE3CFA#AA1 units undergo pre-shipment inspection (PSI). If there is an issue with R7F101GLE3CFA#AA1, 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 R7F101GLE3CFA#AA1 part is unused and in its original packaging.
Return procedure for R7F101GLE3CFA#AA1:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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