Renesas R7F101G7E3CNP#AA1
- Part No.:
- R7F101G7E3CNP#AA1
- Manufacturer:
- Renesas
- Category:
- Microcontrollers
- Package:
- 24-WFQFN Exposed Pad
- Datasheet:
-
R7F101G7E3CNP#AA1.pdf
- Description:
- MCU:RL78
- Quantity:
- Payment:

- Shipping:

Inventory:1,664
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Product details
Overview
R7F101G7E3CNP#AA1 from Renesas is a 24-pin HWQFN-packaged RL78/G24 16-bit microcontroller with 64 KB code flash, 4 KB data flash, and 12 KB RAM, operating at up to 48 MHz with 50-µA/MHz active current. It integrates FAA for motor control acceleration, dual DACs, 12-bit ADC with 23 channels, DALI-2 interface, and KB30–KB32 complementary PWM timers-targeting digital power supplies and LED lighting systems.
For engineers reviewing the R7F101G7E3CNP#AA1 datasheet, R7F101G7E3CNP#AA1 pinout, R7F101G7E3CNP#AA1 application, or R7F101G7E3CNP#AA1 equivalent, key selection criteria include its 24-pin HWQFN (4 × 4 mm) footprint, –40 to +105°C industrial temperature grade, integrated DALI-2 transceiver capability, and hardware-accelerated PFC control via KB-series timers.
Technical Context
The R7F101G7E3CNP#AA1 implements the RL78 CPU core with CISC architecture and 3-stage pipeline, supporting instruction execution times from 0.02083 µs (48 MHz) to 30.5 µs (32.768 kHz). Its Flexible Application Accelerator (FAA) provides dedicated 32-bit signed multiply/accumulate and limit operations with 32-byte shared memory for RL78–FAA co-processing.
Peripheral integration includes two 12-bit DACs (0–VDD output), a 12-bit ADC with 23 input channels (two with independent sample-and-hold), four comparators with selectable reference sources, and three 16-bit complementary PWM timers (KB30–KB32) offering 651-ps average resolution in dithering mode at 96 MHz-enabling precise multi-phase PFC and lighting dimming control.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | RL78 16-bit CISC with 3-stage pipeline; supports 0.02083 µs min. instruction time at 48 MHz |
| Max Clock Speed | 48 MHz - enables real-time motor control loop execution within sub-10 µs latency |
| Flash Memory | 64 KB code flash + 4 KB data flash - supports BGO for concurrent code execution and firmware updates |
| RAM | 12 KB on-chip RAM - sufficient for dual-buffered ADC acquisition and FAA operand storage |
| ADC Resolution | 12-bit with 23 channels - allows simultaneous sampling of voltage/current feedback in digital PSUs |
| DAC Channels | Two 12-bit DACs - provide analog setpoints for LED current regulation and reference generation |
| Operating Temp | –40 to +105°C - certified for industrial-grade digital power supply and outdoor lighting environments |
| Package | HWQFN-24 (4 × 4 mm, 0.50-mm pitch) - compact thermal profile with exposed die pad for power dissipation |
Pinout & Package
Package: HWQFN-24 (4 × 4 mm, 0.50-mm pitch) with exposed die pad; requires REGC-to-VSS decoupling capacitor (0.47–1 µF).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| P00 | ADC Input / UART TX / DALI TX | Primary DALI-2 physical layer transmitter; also serves as high-speed UART and analog sensing input |
| P01 | ADC Input / UART RX / DALI RX | DALI-2 receiver input with internal pull-up; shares pin with UART and 12-bit ADC channel ANI30 |
| P120 | ADC Input / Comparator Input | Supports IVREF0-based current sensing and comparator-triggered PWM shutdown for overcurrent protection |
| P16 | ADC Input / Timer Input / Interrupt | Configurable as ANI26 analog input, TI01 timer capture, or INTP5 external interrupt for fault detection |
| P17 | Timer Output / Clock Output | Provides TO02 output and TRDCLK for synchronized peripheral timing; supports TxD0 for DALI bus arbitration |
| REGC | Regulator Decoupling | Must be connected to VSS via 0.47–1 µF capacitor to stabilize internal LDO for analog/ADC/DAC operation |
Key Features
| Feature | Design Value |
|---|---|
| DALI-2 Interface | Integrated single-wire DALI-2 transceiver (P00/P01) eliminates external line driver for lighting control compliance |
| KB-Series PWM Timers | Three 16-bit complementary PWM timers (KB30–KB32) with 651-ps dithering resolution enable precise PFC and phase-shifted LED dimming |
| Flexible Application Accelerator (FAA) | Dedicated hardware accelerator for 32-bit signed MAC and limit operations-offloads CPU during motor/power control loops |
| Background Data Flash Rewrite | Enables firmware updates without halting application code execution-critical for field-upgradable lighting systems |
| Ultra-Low Power Modes | HALT (0.23 µA), STOP (0.34 µA), and SNOOZE modes allow rapid wake-up while maintaining RTC and peripheral context |
| Hardware CRC Engine | On-chip CRC calculator accelerates firmware integrity checks and secure boot verification in safety-critical lighting applications |
Applications
| LED Lighting Control | Digital Power Supply |
|---|---|
Use Scenario: Programmable DALI-2 compliant LED driver with adaptive dimming and thermal derating. IC Role / Device Role / Timing Role: Primary controller executing DALI protocol stack, PWM dimming, and analog feedback loop closure via ADC/DAC. Use Value: Integrated DALI transceiver and KB-series timers eliminate external components; FAA accelerates current-loop calculations for flicker-free dimming. | Use Scenario: 100-W digital AC/DC adapter with active PFC and LLC resonant control. IC Role / Device Role / Timing Role: System-on-chip managing PFC stage (via KB30–KB32 complementary PWM), LLC gate drive, and communication via SMBus. Use Value: 651-ps PWM resolution enables fine-grained PFC timing control; 12-bit ADC ensures accurate voltage/current sensing across load range. |
| Industrial Motor Control | Smart Building Sensors |
Use Scenario: Fan speed controller with sensorless BLDC commutation and thermal monitoring. IC Role / Device Role / Timing Role: Real-time motor controller using FAA for rotor position estimation and KB timers for 6-step commutation gating. Use Value: FAA offloads trigonometric computations; 50-µA/MHz active current extends battery life in wireless fan modules. | Use Scenario: DALI-2 enabled occupancy/vacancy sensor node with ambient light and temperature measurement. IC Role / Device Role / Timing Role: Sensor fusion hub aggregating ADC inputs (light/temp), executing motion algorithm, and reporting via DALI bus. Use Value: Single-chip solution reduces BOM count; integrated temperature sensor and 12-bit ADC enable ±1°C accuracy without external ICs. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar 16-bit microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| R7F101G7G3CNP#AA1 | 128 KB code flash, same 24-pin HWQFN package and peripherals | Required for larger firmware images (e.g., DALI-2 extended command sets or OTA update stacks) | Select when >64 KB flash is needed without changing PCB layout |
| R7F101G6E3CNP#AA1 | 20-pin LSSOP package, 64 KB flash, reduced peripheral count (no DALI, fewer ADC channels) | Suitable for cost-sensitive lighting controls without DALI or advanced analog features | Choose for simplified designs where pin count and feature set can be reduced |
Compared with R7F101G7G3CNP#AA1, the R7F101G7E3CNP#AA1 trades flash capacity for lower unit cost and identical peripheral functionality; versus R7F101G6E3CNP#AA1, it adds DALI-2 support and 3 additional ADC channels-making it the minimal viable option for DALI-compliant lighting systems.
Availability
R7F101G7E3CNP#AA1 is available at Aetrix Electronics and suitable for industrial digital power supplies, DALI-2 LED drivers, and smart building sensor nodes requiring stable component supply across extended temperature ranges.
Supply support for R7F101G7E3CNP#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 specializing in microcontrollers, analog, and power management solutions for automotive, industrial, and IoT markets.
The RL78/G24 product line delivers ultra-low-power 16-bit MCUs with hardware accelerators and communications interfaces optimized for digital power conversion, lighting control, and motor drive applications.
FAQ
What is the maximum operating frequency of the R7F101G7E3CNP#AA1?
The R7F101G7E3CNP#AA1 operates at up to 48 MHz using its high-speed on-chip oscillator or PLL clock source. This frequency enables sub-10 µs interrupt response and real-time execution of motor control or DALI protocol stacks. The minimum instruction execution time is 0.02083 µs at this speed, confirmed in the RL78/G24 datasheet Rev.1.20 Section 1.1.
Does the R7F101G7E3CNP#AA1 support DALI-2 communication natively?
Yes, the R7F101G7E3CNP#AA1 includes a dedicated digital addressable lighting interface (DALI) peripheral. Pins P00 and P01 serve as DALITxD0 and DALIRxD0 respectively, enabling full DALI-2 protocol implementation without external transceivers. This is documented in Section 1.1 "Features" and Table 1-3 of the R01DS0432EJ0120 datasheet.
What are the key differences between R7F101G7E3CNP#AA1 and R7F101G7G3CNP#AA1?
The R7F101G7E3CNP#AA1 has 64 KB code flash, while R7F101G7G3CNP#AA1 offers 128 KB-same 24-pin HWQFN package, temperature grade (–40 to +105°C), and peripheral set. Both share identical DALI-2, ADC, DAC, and KB-series timer capabilities. The flash difference determines firmware scalability for complex lighting or power applications.
What is the purpose of the REGC pin on the R7F101G7E3CNP#AA1?
The REGC pin on the R7F101G7E3CNP#AA1 connects to an external 0.47–1 µF capacitor tied to VSS to stabilize the internal voltage regulator supplying analog circuits (ADC, DAC, comparators). Failure to populate this capacitor results in degraded analog performance or instability-explicitly required per datasheet Caution on Page 9.
Can the R7F101G7E3CNP#AA1 perform simultaneous sampling with its ADC?
Yes, the R7F101G7E3CNP#AA1's 12-bit ADC includes two analog input channels (ANI0 and ANI1) each connected to separate sample-and-hold circuits, enabling true simultaneous sampling. This capability is essential for vector-controlled motor drives and three-phase power metering, as specified in Section 1.1 "A/D converter" of the datasheet.
R7F101G7E3CNP#AA1 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Renesas
- Package/Case:
- 24-WFQFN Exposed Pad
- 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:
- 19
- 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 13x8/10b/12b; D/A 3x8/10b
- Oscillator Type:
- Internal
- Operating Temperature:
- -40°C ~ 105°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
R7F101G7E3CNP#AA1 FAQ
1.How can I place an order for R7F101G7E3CNP#AA1 through Aetrix?
Please submit a Request for Quotation (RFQ) for R7F101G7E3CNP#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 R7F101G7E3CNP#AA1 reliable?
The price and inventory of R7F101G7E3CNP#AA1 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for R7F101G7E3CNP#AA1 is usually 5 days.
3.What payment methods are accepted for R7F101G7E3CNP#AA1?
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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 R7F101G7E3CNP#AA1?
For technical support, including R7F101G7E3CNP#AA1 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your R7F101G7E3CNP#AA1 requirements.
6.How does Aetrix verify that R7F101G7E3CNP#AA1 is sourced from the original manufacturer or authorized distributors?
All R7F101G7E3CNP#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 R7F101G7E3CNP#AA1 meets industry standards.
7.What is the process for return or replacement of R7F101G7E3CNP#AA1?
All R7F101G7E3CNP#AA1 units undergo pre-shipment inspection (PSI). If there is an issue with R7F101G7E3CNP#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 R7F101G7E3CNP#AA1 part is unused and in its original packaging.
Return procedure for R7F101G7E3CNP#AA1:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
R7F101G7E3CNP#AA1 Tags

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