Renesas R7F101G8E2DLA#AC1
- Part No.:
- R7F101G8E2DLA#AC1
- Manufacturer:
- Renesas
- Category:
- Microcontrollers
- Package:
- 25-WFLGA
- Datasheet:
-
R7F101G8E2DLA#AC1.pdf
- Description:
- MCU:RL78
- Quantity:
- Payment:

- Shipping:

Inventory:1,485
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Product details
Overview
R7F101G8E2DLA#AC1 from Renesas is a 25-pin WFLGA-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 - deployed in digital power supplies and LED lighting controllers.
For engineers reviewing the R7F101G8E2DLA#AC1 datasheet, R7F101G8E2DLA#AC1 pinout, R7F101G8E2DLA#AC1 application, or R7F101G8E2DLA#AC1 equivalent, key selection criteria include its 25-pin WFLGA (3 × 3 mm) footprint, –40°C to +85°C industrial temperature grade, 64 KB flash/12 KB RAM memory configuration, and integrated DALI-2 and PMBus/SMBus support for lighting and power management systems.
Technical Context
The R7F101G8E2DLA#AC1 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 32-bit signed multiply-accumulate operations with 33-bit internal precision and dedicated 32-byte shared memory for RL78–FAA co-processing.
Peripheral integration includes two 8-/10-bit DACs (0 V to VDD output), a 12-bit ADC with 23 analog inputs (two with independent sample-and-hold), four comparators with selectable D/A or external reference, and three 16-bit complementary PWM timers (KB30–KB32) supporting PFC control, dithering, and 651-ps average resolution at 96 MHz.
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 Operating Frequency | 48 MHz - enables real-time motor control loop execution within sub-µs timing budgets |
| Flash Memory | 64 KB code flash with 2 KB block size; supports boot swapping and flash shield window for secure firmware updates |
| RAM | 12 KB on-chip RAM + 4 KB FAA code RAM + 2 KB FAA data RAM - sufficient for dual-threaded control + signal processing |
| Analog Peripherals | 12-bit ADC (23 ch, 2 S/H), dual 8-/10-bit DACs (0–VDD), 4 comparators, 1 PGA - enables closed-loop analog sensing and actuation |
| Communication Interfaces | DALI-2 master interface, I²C (SM/PM bus), up to 6 CSI/SPI, up to 3 UART/LIN - meets lighting control and digital power protocol requirements |
| Timers | TAU (4-ch), RD2 (2-ch PWMOPA), RG2/RX/RJ, RTC, watchdog, and KB30–KB32 (6-output complementary PWM) - supports multi-phase PFC and smooth LED dimming |
Pinout & Package
Package: WFLGA-25 (3 × 3 mm, 0.50-mm pitch), exposed die pad recommended for thermal relief; rated for –40°C to +85°C ambient operation.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| A1 P17 | Controlled current drive / Timer / UART | CCD01 port with TI02/TO02 timer functions and TxD0 capability - used for auxiliary serial communication or PWM output |
| A3 P121 | Crystal oscillator input | X1/XT1 connection for external 32.768 kHz crystal - enables high-accuracy RTC and low-power STOP mode operation |
| A4 P122 | Crystal oscillator output / External clock input | X2/XT2 or EXCLKS input - supports precise timing reference or external clock synchronization |
| A5 P40 | Debug interface | TOOL0 pin for on-chip debugging and programming - essential for firmware development and field updates |
| B1 P16 | Controlled current drive / Analog reference / Timer | CCD00 port with IVREF0 reference voltage source and TI01/TO01 timer - supports analog sensor biasing and timing-critical I/O |
| C1 P120 | Analog input / Comparator / PGA | ANI19 input with IVCMP0 comparator and PGAI0 programmable gain amplifier - used for precision current/voltage sensing |
| D1 P15 | Buzzer output / DAC / Timer | PCLBUZ1 with VCOUT1 DAC output and TI01/TO01 timer - enables audible alerts and analog waveform generation |
| E2 P13 | Analog input / Timer / Communication | ANI23 input with TRDIOA1/SDA20 functionality - supports analog monitoring and I²C slave interface on same pin |
Key Features
| Feature | Design Value |
|---|---|
| Flexible Application Accelerator (FAA) | 32-bit signed MAC with 33-bit internal precision and 32-byte shared memory - accelerates motor FOC and digital power control loops without CPU overhead |
| DALI-2 Master Interface | Integrated DALI-2 physical layer and protocol engine - eliminates external transceiver for smart LED lighting control systems |
| Complementary PWM Timers KB30–KB32 | Three 16-bit timers with up to six outputs, 651-ps average resolution, and forced stop via comparator trigger - enables high-fidelity PFC and multi-channel LED dimming |
| Low-Power Operation | 50-µA/MHz active current, STOP mode with fast wakeup, and SNOOZE mode - extends battery life in portable lighting and sensor nodes |
| Secure Flash Management | Block-level erase/write prohibition, flash shield window, and background data flash rewriting (BGO) - ensures firmware integrity and runtime parameter updates |
Applications
| LED Lighting Control System | Digital Power Supply Controller |
|---|---|
Use Scenario: DALI-2 compliant smart LED driver with multi-channel dimming and thermal derating. IC Role / Device Role / Timing Role: Primary controller executing DALI-2 stack, PWM generation for LED channels, and ADC-based thermal/current feedback sampling. Use Value: Integrated DALI-2 interface and KB30–KB32 complementary PWM eliminate external transceivers and gate drivers, reducing BOM count by ≥3 components. | Use Scenario: 300-W AC/DC power supply with active PFC and LLC resonant control. IC Role / Device Role / Timing Role: Real-time PFC controller using KB30–KB32 timers for interleaved switching and ADC-sampled line voltage/current feedback. Use Value: 651-ps average PWM resolution and hardware-accelerated FAA enable <1% THD and >96% efficiency across universal input range. |
| Industrial Motor Drive Module | Smart Sensor Node with PMBus |
Use Scenario: Fan/pump inverter with sensorless FOC, overcurrent protection, and status reporting. IC Role / Device Role / Timing Role: FAA-accelerated FOC computation, 12-bit ADC for phase current sampling, and KB32-triggered forced stop on fault detection. Use Value: On-chip FAA reduces FOC loop latency to <2 µs, enabling 30-kHz switching frequency while maintaining torque ripple <3%. | Use Scenario: Temperature/humidity sensor node with PMBus-compliant telemetry and local regulation. IC Role / Device Role / Timing Role: PMBus/SMBus master managing multiple DC-DC converters, reading sensor data via ADC, and reporting via I²C. Use Value: Integrated SM/PM bus interface and 12-bit ADC with internal 1.48-V reference allow ±0.5°C temperature accuracy without external precision references. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| R7F101G8G3CLA#AC1 | 128 KB code flash, same 25-pin WFLGA package and peripheral set | Required for larger firmware images (e.g., full DALI-2 stack + OTA update handler) | Select when >64 KB flash is needed; identical pinout and thermal profile enable drop-in upgrade |
| R7F101G7E3CNP#AA1 | 24-pin HWQFN package, 64 KB flash, no DALI-2 interface, reduced ADC channels (12) | Suitable for cost-sensitive motor control where DALI is unused and PCB space allows QFN | Choose for compact non-lighting applications; requires PCB redesign due to different pin count and package |
Compared with R7F101G8G3CLA#AC1, the R7F101G8E2DLA#AC1 offers identical peripherals in a smaller memory configuration - ideal for DALI-2 lighting firmware under 64 KB. Against R7F101G7E3CNP#AA1, it adds DALI-2 and 11 extra ADC channels at the cost of one pin and slightly larger footprint, making it optimal for lighting-specific designs.
Availability
R7F101G8E2DLA#AC1 is available at Aetrix Electronics and suitable for LED lighting control systems, digital power supplies, industrial motor drives, and smart sensor nodes requiring stable component supply and long-term industrial-grade availability.
Supply support for R7F101G8E2DLA#AC1 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 solutions for automotive, industrial, and IoT markets.
The RL78/G24 product line targets high-efficiency, low-power embedded control in digital power conversion, motor control, and intelligent lighting - combining ultra-low active current with application-specific accelerators and communication interfaces.
FAQ
What is the maximum operating frequency and core architecture of the R7F101G8E2DLA#AC1?
The R7F101G8E2DLA#AC1 features a 16-bit RL78 CPU core with CISC architecture and 3-stage pipeline, operating at up to 48 MHz. Its minimum instruction execution time is 0.02083 µs at 48 MHz using the high-speed on-chip oscillator or PLL clock. This performance enables deterministic real-time control in motor and power applications while maintaining ultra-low power consumption of 50 µA/MHz.
Does the R7F101G8E2DLA#AC1 support DALI-2 communication, and how is it implemented?
Yes, the R7F101G8E2DLA#AC1 includes a dedicated digital addressable lighting interface (DALI) peripheral supporting DALI-2 master functionality. It integrates the physical layer and protocol timing logic, eliminating the need for an external DALI transceiver. The interface uses pins P00 (DALITxD0) and P01 (DALIRxD0) and supports standard DALI-2 commands including group addressing, scene storage, and fade time control - confirmed in Section 1.1 Features and Table 1-4 of the R01DS0432EJ0120 datasheet.
What are the memory resources available on the R7F101G8E2DLA#AC1?
The R7F101G8E2DLA#AC1 provides 64 KB of code flash memory (2 KB block size), 4 KB of data flash memory supporting background operation (BGO) and 1,000,000 write cycles, and 12 KB of on-chip RAM. Additionally, it includes 4 KB of FAA code RAM and 2 KB of FAA data RAM. These resources are specified in Section 1.1 Features and Table 1-4 of the R01DS0432EJ0120 datasheet and support complex lighting control stacks and real-time signal processing.
Which package type and pin count does the R7F101G8E2DLA#AC1 use?
The R7F101G8E2DLA#AC1 uses a 25-pin plastic WFLGA package (3 × 3 mm, 0.50-mm pitch) with an exposed die pad. This is confirmed in Table 1-2 of the R01DS0432EJ0120 datasheet under "25-pin plastic WFLGA" and ordering code decoding: 'LA' = WFLGA, '2' = 25-pin variant. The device operates from –40°C to +85°C and is qualified for industrial applications.
What analog peripherals are integrated into the R7F101G8E2DLA#AC1?
The R7F101G8E2DLA#AC1 integrates a 12-bit A/D converter with up to 23 analog input channels (including two with independent sample-and-hold), dual 8-/10-bit D/A converters (0 V to VDD output), four comparators with selectable D/A or external reference, one programmable gain amplifier (PGA), and internal 1.48-V reference voltage and temperature sensor. These capabilities are documented in Section 1.1 Features and Table 1-4 of the R01DS0432EJ0120 datasheet.
R7F101G8E2DLA#AC1 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Renesas
- Package/Case:
- 25-WFLGA
- 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 16x8/10b/12b; D/A 3x8/10b
- Oscillator Type:
- Internal
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
R7F101G8E2DLA#AC1 FAQ
1.How can I place an order for R7F101G8E2DLA#AC1 through Aetrix?
Please submit a Request for Quotation (RFQ) for R7F101G8E2DLA#AC1 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 R7F101G8E2DLA#AC1 reliable?
The price and inventory of R7F101G8E2DLA#AC1 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for R7F101G8E2DLA#AC1 is usually 5 days.
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5.How can I obtain technical support or documentation for R7F101G8E2DLA#AC1?
For technical support, including R7F101G8E2DLA#AC1 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your R7F101G8E2DLA#AC1 requirements.
6.How does Aetrix verify that R7F101G8E2DLA#AC1 is sourced from the original manufacturer or authorized distributors?
All R7F101G8E2DLA#AC1 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 R7F101G8E2DLA#AC1 meets industry standards.
7.What is the process for return or replacement of R7F101G8E2DLA#AC1?
All R7F101G8E2DLA#AC1 units undergo pre-shipment inspection (PSI). If there is an issue with R7F101G8E2DLA#AC1, 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 R7F101G8E2DLA#AC1 part is unused and in its original packaging.
Return procedure for R7F101G8E2DLA#AC1:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
R7F101G8E2DLA#AC1 Tags

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