Renesas R7F101GBE4CNP#AA1

Overview

R7F101GBE4CNP#AA1 from Renesas is a 32-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 12-bit ADCs (23 channels), DALI-2 interface, and KB30/KB31/KB32 complementary PWM timers-targeting digital power supplies and lighting systems.

For engineers reviewing the R7F101GBE4CNP#AA1 datasheet, R7F101GBE4CNP#AA1 pinout, R7F101GBE4CNP#AA1 application, or R7F101GBE4CNP#AA1 equivalent, key selection criteria include its 32-pin HWQFN (5 × 5 mm, 0.50-mm pitch) package, industrial-grade –40°C to +125°C operation, integrated DALI-2 transceiver, and 651-ps PWM resolution via KB-series timers.

Technical Context

The RL78/G24 core implements a 3-stage CISC pipeline with configurable instruction timing (0.02083 µs min @ 48 MHz or 30.5 µs @ 32.768 kHz), supporting multiply/divide/accumulate operations and 1 Mbyte address space. Its Flexible Application Accelerator (FAA) provides dedicated 32-bit signed arithmetic with 33-bit internal precision and shared 32-byte memory with the CPU.

Peripheral integration includes six I²C/Simplified I²C interfaces, two UART/LIN channels, one DALI interface, one PMBus/SMBus-capable I²C port, and KB30–KB32 timers delivering complementary PWM outputs with dithering, forced stop triggering, and 651-ps average resolution at 96 MHz-optimized for PFC and multi-phase motor control.

Key Specifications

Pinout & Package

Package: HWQFN-32 (5 × 5 mm, 0.50-mm pitch) with exposed die pad; requires REGC-to-VSS decoupling capacitor (0.47–1 µF).

Key Features

Applications

Equivalent & Alternatives

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

Compared with R7F101GBE4CNP#AA1, R7F101GBG4CNP#AA1 offers double code flash for feature-rich DALI implementations, while R7F101GBE3CNP#AA1 reduces thermal qualification cost without altering functionality-enabling tiered product variants across temperature grades and memory needs.

Availability

R7F101GBE4CNP#AA1 is available at Aetrix Electronics and suitable for LED driver control, digital power supply design, and smart lighting node development requiring stable component supply and long-term industrial lifecycle support.

Supply support for R7F101GBE4CNP#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 is a global semiconductor leader specializing in microcontrollers, analog, and power solutions for automotive, industrial, and IoT markets.

The RL78/G24 product line targets energy-efficient embedded control in lighting, motor, and digital power applications-with integrated DALI-2, FAA, and high-resolution PWM timers designed specifically for Class D amplifiers and programmable LED drivers.

FAQ

What is the operating temperature range for R7F101GBE4CNP#AA1?

R7F101GBE4CNP#AA1 is qualified for industrial operation from –40°C to +125°C (4C grade), making it suitable for enclosed LED drivers and high-temperature power supply environments where thermal management is critical. This rating is confirmed in the RL78/G24 datasheet Rev.1.20, Table 1-1, and applies specifically to the #AA1 packaging variant with HWQFN-32 package.

Does R7F101GBE4CNP#AA1 support DALI-2 communication natively?

Yes, R7F101GBE4CNP#AA1 includes a dedicated DALI-2 physical layer interface compliant with IEC 62386-102, implemented on pins P50 (DALIRxD0) and P51 (DALITxD0). No external transceiver or level-shifting circuitry is required, and the integrated peripheral supports both master and slave modes per the RL78/G24 datasheet Section 1.1 and Figure 1-1.

What PWM resolution does R7F101GBE4CNP#AA1 achieve with its KB-series timers?

R7F101GBE4CNP#AA1 achieves 651-ps average PWM resolution using its KB30/KB31/KB32 timers when operating at 96 MHz with dithering enabled. This specification is explicitly documented in the RL78/G24 datasheet Rev.1.20, Section 1.1 "Timers", and enables high-fidelity dimming control and precise PFC timing in digital power applications.

How much data flash endurance does R7F101GBE4CNP#AA1 provide?

R7F101GBE4CNP#AA1 provides 4 KB of data flash memory rated for 1,000,000 write/erase cycles (typ.), supporting robust non-volatile storage for DALI scene data, calibration coefficients, or firmware update staging. This endurance value is specified in the RL78/G24 datasheet Rev.1.20, Section 1.1 "Data flash memory", and applies directly to the R7F101GBE4CNP#AA1 variant.

Is the R7F101GBE4CNP#AA1 pinout compatible with other RL78/G24 32-pin variants?

Yes, R7F101GBE4CNP#AA1 shares identical pin assignment and electrical characteristics with all RL78/G24 32-pin HWQFN variants (e.g., R7F101GBG4CNP#AA1, R7F101GBE3CNP#AA1), as defined in Table 1-6 of the RL78/G24 datasheet Rev.1.20. This ensures PCB layout reuse across memory and temperature-grade variants within the same package type.