Renesas R7F101GBE3CFP#AA1

Overview

R7F101GBE3CFP#AA1 from Renesas is a 32-pin LQFP-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 ultra-low-power efficiency. It integrates FAA for motor control acceleration, dual DACs, 23-channel 12-bit ADC, four comparators, and DALI-2 interface - deployed in digital power supplies and lighting controllers.

For engineers reviewing the R7F101GBE3CFP#AA1 datasheet, R7F101GBE3CFP#AA1 pinout, R7F101GBE3CFP#AA1 application, or R7F101GBE3CFP#AA1 equivalent, key selection criteria include its 32-pin LQFP-0.8 mm pitch package, –40°C to +105°C industrial temperature grade, integrated DALI-2 transceiver support, and FAA-accelerated PFC timing resolution of 651 ps.

Technical Context

The R7F101GBE3CFP#AA1 implements a CISC-based RL78 CPU core with 3-stage pipeline and configurable instruction timing (0.02083 µs min @ 48 MHz), paired with a dedicated Flexible Application Accelerator (FAA) core supporting 32-bit signed multiply-accumulate and limit operations. Its timer subsystem includes KB30–KB32 complementary PWM timers with dithering and 651-ps average resolution for precision power factor correction.

It features dual I²C/SMBus interfaces (one configured as PMBus), a single DALI-2 physical layer interface, and hardware event linking via ELC to synchronize peripherals without CPU intervention - enabling deterministic real-time response in lighting and power conversion systems.

Key Specifications

Pinout & Package

Package: 32-pin LQFP (7 × 7 mm, 0.80-mm pitch), lead-free, RoHS-compliant, industrial temperature grade (–40°C to +105°C).

Key Features

Applications

Equivalent & Alternatives

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

Compared with R7F101GBG3CFP#AA1 and R7F101GAE3CFP#AA1, the R7F101GBE3CFP#AA1 uniquely balances 64 KB flash, full FAA capability, and industrial-temp 32-pin LQFP packaging - making it optimal for mid-tier digital power and smart lighting controllers requiring both DALI-2 and precision timing without over-provisioning memory.

Availability

R7F101GBE3CFP#AA1 is available at Aetrix Electronics and suitable for digital power supplies, smart LED lighting systems, and industrial motor drives requiring stable component supply across extended temperature ranges and long production lifecycles.

Supply support for R7F101GBE3CFP#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 solutions for automotive, industrial, and IoT markets.

The RL78/G24 product line targets high-efficiency digital power conversion and intelligent lighting control, integrating specialized peripherals like DALI-2 PHY, FAA, and KB-series timers to replace discrete timing and communication components.

FAQ

What is the maximum operating frequency and power consumption of the R7F101GBE3CFP#AA1?

The R7F101GBE3CFP#AA1 operates at up to 48 MHz with a typical active current of 50 µA/MHz. At full speed, this equates to ~2.4 mA core current (excluding peripherals), and it supports HALT, STOP, and SNOOZE low-power modes - achieving sub-µA retention in STOP mode with RTC active. These values are measured at VDD = 3.3 V and TA = 25°C per R01DS0432EJ0120 Rev.1.20.

Does the R7F101GBE3CFP#AA1 include native DALI-2 physical layer support?

Yes, the R7F101GBE3CFP#AA1 integrates dedicated DALI-2 transmitter and receiver circuitry on pins P00 (DALITxD0) and P01 (DALIRxD0), including programmable current sink/source drivers and built-in noise filtering. No external transceiver IC is required to meet IEC 62386-102 compliance, as confirmed in Section 1.1 and Table 1-6 of the RL78/G24 datasheet.

What timer resources does the R7F101GBE3CFP#AA1 provide for digital power control?

The R7F101GBE3CFP#AA1 includes three 16-bit KB-series timers (KB30, KB31, KB32) with complementary PWM outputs, dithering, and 651-ps average resolution at 96 MHz. These timers support interleaved PFC, fixed-off control, and fast forced-stop triggered by comparators - directly enabling high-efficiency AC-DC and DC-DC converter designs without external timing ICs.

How much on-chip memory does the R7F101GBE3CFP#AA1 have, and what types are supported?

The R7F101GBE3CFP#AA1 contains 64 KB of code flash memory (2-KB block size, secure erase protection), 4 KB of data flash memory (1M-cycle endurance, background rewrite capable), and 12 KB of general-purpose RAM. Additionally, it provides 4 KB of FAA code RAM and 2 KB of FAA data RAM - all accessible concurrently with CPU execution per Section 1.1 of the datasheet.

Is the R7F101GBE3CFP#AA1 pin-compatible with other RL78/G24 variants in 32-pin LQFP packages?

Yes, the R7F101GBE3CFP#AA1 shares identical pinout and electrical characteristics with all other 32-pin LQFP RL78/G24 variants (e.g., R7F101GBG3CFP#AA1, R7F101GAE3CFP#AA1), as defined in Table 1-6 and Figure 1-10 of R01DS0432EJ0120. This allows drop-in replacement within the same memory/peripheral configuration family.