Renesas R7F101GBE3CNP#AA1

Overview

R7F101GBE3CNP#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 accelerator, dual DACs, 12-bit ADC (23 channels), four comparators, programmable gain amplifier, DALI-2 interface, and KB30–KB32 complementary PWM timers for digital power and motor control.

For engineers reviewing the R7F101GBE3CNP#AA1 datasheet, R7F101GBE3CNP#AA1 pinout, R7F101GBE3CNP#AA1 application, or R7F101GBE3CNP#AA1 equivalent, key selection criteria include its 32-pin HWQFN (5 × 5 mm, 0.50-mm pitch) package, –40 to +105°C industrial temperature grade, 64 KB flash/12 KB RAM memory configuration, integrated DALI-2 and PMBus/SMBus support, and hardware-accelerated motor control peripherals.

Technical Context

The R7F101GBE3CNP#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, add/subtract, and limit operations with 33-bit internal precision and 32-byte shared memory with the main CPU.

Peripheral integration includes two 16-bit timer arrays (TAU), KB30–KB32 complementary PWM timers with 651-ps average resolution, 12-bit ADC with simultaneous sampling on two channels, dual 8-/10-bit DACs, and a single DALI-2 transceiver compliant with IEC 62386-102. Clocking supports high-accuracy ±1.0% on-chip oscillators from 1 to 64 MHz.

Key Specifications

Pinout & Package

Package: HWQFN-32 (5 × 5 mm, 0.50-mm pitch) with exposed die pad; requires soldering to non-electrical PCB copper area per Renesas recommendation.

Key Features

Applications

Equivalent & Alternatives

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

Compared with R7F101GBE3CNP#AA1, R7F101GBG3CNP#AA1 offers double flash capacity without altering pin compatibility or peripheral functionality, while R7F101GAE3CNP#AA1 removes FAA and complementary PWM hardware - reducing cost but eliminating support for real-time digital power and motor control algorithms.

Availability

R7F101GBE3CNP#AA1 is available at Aetrix Electronics and suitable for digital power supplies, smart LED lighting systems, industrial motor drives, and home appliance control units requiring stable component supply and long-term industrial-grade availability.

Supply support for R7F101GBE3CNP#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 design innovation for automotive, industrial, infrastructure, and IoT applications.

The RL78/G24 product line targets high-efficiency, low-power motor control and digital power conversion, integrating specialized peripherals like FAA, KB-series timers, and DALI-2 to reduce system BOM and accelerate time-to-market.

FAQ

What is the maximum operating frequency and core type of the R7F101GBE3CNP#AA1?

The R7F101GBE3CNP#AA1 features a 16-bit RL78 CPU core with CISC architecture and operates at up to 48 MHz. Its minimum instruction execution time is 0.02083 µs at full speed using the high-speed on-chip oscillator or PLL clock. This performance level supports real-time motor control loops and digital power regulation with tight timing constraints.

Does the R7F101GBE3CNP#AA1 include integrated DALI-2 communication capability?

Yes, the R7F101GBE3CNP#AA1 includes a single integrated digital addressable lighting interface (DALI) compliant with IEC 62386-102. Pins P00 and P01 serve as DALITxD0 and DALIRxD0 respectively, enabling direct connection to DALI bus without external transceiver components. This reduces bill-of-materials and simplifies PCB layout for smart lighting applications.

What are the memory resources available on the R7F101GBE3CNP#AA1?

The R7F101GBE3CNP#AA1 provides 64 KB of code flash memory, 4 KB of data flash memory with background operation (BGO) and 1,000,000 write cycles, and 12 KB of on-chip RAM. The data flash supports concurrent execution from program memory during rewrites, enabling robust firmware updates and parameter storage in field-deployed systems.

How does the Flexible Application Accelerator (FAA) enhance real-time performance in the R7F101GBE3CNP#AA1?

The FAA in the R7F101GBE3CNP#AA1 accelerates arithmetic-intensive tasks including 32-bit signed multiplication, addition, subtraction, and limit operations with 33-bit internal precision. It shares 32 bytes of memory with the RL78 CPU and operates independently, reducing CPU load by up to 40% during PFC or FOC calculations - enabling higher control loop frequencies without increasing clock speed.

What package type and thermal considerations apply to the R7F101GBE3CNP#AA1?

The R7F101GBE3CNP#AA1 uses a 32-pin HWQFN package (5 × 5 mm, 0.50-mm pitch) with an exposed die pad. Renesas recommends soldering this pad to a non-electrical plated PCB area for optimal thermal dissipation. Additionally, the REGC pin must be decoupled to VSS with a 0.47–1 µF capacitor to ensure stable internal LDO regulation under dynamic load conditions.