Renesas R7F101GBG3CNP#AA1

Overview

R7F101GBG3CNP#AA1 from Renesas is a 32-pin HWQFN-packaged RL78/G24 16-bit microcontroller featuring a 48-MHz CPU, 128 KB code flash, 4 KB data flash, and 12 KB RAM, with integrated FAA accelerator, DALI-2 interface, and motor-control timers for industrial lighting and digital power applications.

For engineers reviewing the R7F101GBG3CNP#AA1 datasheet, R7F101GBG3CNP#AA1 pinout, R7F101GBG3CNP#AA1 application, or R7F101GBG3CNP#AA1 equivalent, this page delivers verified technical context, package mapping, real-world use cases, and validated alternative options aligned to industrial temperature (–40°C to +105°C) and HWQFN-32 requirements.

Technical Context

The R7F101GBG3CNP#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), plus a dedicated Flexible Application Accelerator (FAA) for 32-bit signed arithmetic and limit operations with 33-bit internal precision.

It integrates dual 16-bit timer arrays (TAU), KB30–KB32 complementary PWM timers with 651-ps average resolution, a 32-bit interval timer, RTC, four-channel comparator, 12-bit ADC with simultaneous sampling on two channels, and hardware DALI-2 and PMBus/SMBus interfaces - all operating across 1.6–5.5 V and –40°C to +105°C.

Key Specifications

Pinout & Package

HWQFN-32 (5 × 5 mm, 0.50-mm pitch) with exposed die pad; requires REGC-to-VSS decoupling capacitor (0.47–1 µF). Pin functions support multiplexed analog, timer, communication, and HMI roles via peripheral I/O redirection registers (PIORx).

Key Features

Applications

Equivalent & Alternatives

The following parts are listed as comparable options for similar microcontroller applications.

Compared with R7F101GBE3CNP#AA1, the R7F101GBG3CNP#AA1 provides double the code flash for feature-rich DALI-2 stacks and safety-certified firmware; versus R7F101GLG3CFB#AA1, it offers identical processing capability in a space-constrained 5×5 mm HWQFN footprint ideal for compact LED drivers.

Availability

R7F101GBG3CNP#AA1 is available at Aetrix Electronics and suitable for industrial lighting control, digital power supply design, and motor-inverter applications requiring stable component supply, extended temperature operation, and long-term lifecycle support.

Supply support for R7F101GBG3CNP#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 microcontrollers, analog, power, and SoC solutions for automotive, industrial, and IoT markets.

The RL78/G24 product line targets high-efficiency, low-power industrial control applications - specifically optimized for digital lighting, motor control, and digital power conversion with integrated analog peripherals and communications accelerators.

FAQ

What is the maximum operating frequency and core architecture of the R7F101GBG3CNP#AA1?

The R7F101GBG3CNP#AA1 features a 16-bit RL78 CPU core with CISC architecture and 3-stage pipeline, operating at up to 48 MHz with a minimum instruction execution time of 0.02083 µs. It supports dynamic clock scaling from 48 MHz down to 32.768 kHz, enabling ultra-low-power operation while maintaining deterministic real-time response - critical for DALI-2 timing compliance and motor control loop stability in the R7F101GBG3CNP#AA1.

Does the R7F101GBG3CNP#AA1 include hardware support for DALI-2 communication?

Yes, the R7F101GBG3CNP#AA1 integrates dedicated DALI-2 hardware including Manchester encoder/decoder, collision detection, and frame timing logic on pins P00 (DALITxD0) and P01 (DALIRxD0). This eliminates the need for an external DALI transceiver, reduces system BOM cost, and ensures strict adherence to IEC 62386-102 timing requirements - a key differentiator of the R7F101GBG3CNP#AA1 in lighting control designs.

What are the key analog features of the R7F101GBG3CNP#AA1 relevant to power conversion?

The R7F101GBG3CNP#AA1 includes a 12-bit ADC with up to 23 input channels and two independent sample-and-hold circuits for simultaneous voltage/current acquisition, four comparators (with selectable D/A or external reference), a programmable gain amplifier, and three 16-bit complementary PWM timers (KB30–KB32) with 651-ps average resolution. These features directly support PFC and LLC control loops, overcurrent protection, and thermal monitoring in digital power applications using the R7F101GBG3CNP#AA1.

What is the temperature grade and package type of the R7F101GBG3CNP#AA1?

The R7F101GBG3CNP#AA1 is rated for industrial operation from –40°C to +105°C (3C grade) and housed in a 32-pin HWQFN package (5 × 5 mm, 0.50-mm pitch) with exposed die pad. The package supports high-density PCB layouts and efficient thermal dissipation - essential for compact LED drivers and enclosed digital power modules where the R7F101GBG3CNP#AA1 is commonly deployed.

How does the Flexible Application Accelerator (FAA) in the R7F101GBG3CNP#AA1 improve motor control performance?

The FAA in the R7F101GBG3CNP#AA1 executes 32-bit signed multiply, add, subtract, and limit operations with 33-bit internal precision and configurable bit-shifting - all in hardware. This offloads computationally intensive tasks like Clarke/Park transforms, PI loop calculations, and duty-cycle limiting from the main CPU, reducing control loop latency by >70% and enabling faster sampling rates for field-oriented motor control implemented on the R7F101GBG3CNP#AA1.