Renesas R5F10ELDAFB#X0

Overview

R5F10ELDAFB#X0 from Renesas Electronics is a 64-pin LFQFP 16-bit RL78/G1A microcontroller with 32 KB flash, 4 KB data flash, 2 KB RAM, 28-channel 12-bit ADC, and ultra-low-power operation (66 µA/MHz active, 0.57 µA RTC+LVD). It integrates UART, I²C, SPI, LIN, RTC, PWM, and on-chip debug for industrial sensor nodes and battery-powered control systems.

For engineers reviewing the R5F10ELDAFB#X0 datasheet, R5F10ELDAFB#X0 pinout, R5F10ELDAFB#X0 application, or R5F10ELDAFB#X0 equivalent, key selection criteria include its 64-pin LFQFP package, −40°C to +85°C temperature grade, 32 MHz max CPU frequency, integrated 12-bit ADC with 3.375 µs conversion, and dual power domains (VDD/EVDD0) for noise-sensitive analog designs.

Technical Context

The R5F10ELDAFB#X0 implements the RL78 16-bit CISC core with 3-stage Harvard pipeline, delivering 41 DMIPS at 32 MHz. Its instruction set supports single-cycle 16×16 multiply and MAC operations, enabling efficient motor control and signal processing.

It features dual clock domains: high-speed on-chip oscillator (32 MHz ±1% over voltage/temperature) and subsystem crystal input (32.768 kHz), plus independent VDD/EVDD0 supplies for analog/digital isolation-critical for precision ADC and real-time communication in mixed-signal industrial applications.

Key Specifications

Pinout & Package

Package: 64-pin LFQFP (10 mm × 10 mm, 0.5 mm pitch), lead-free, RoHS-compliant.

Key Features

Applications

Equivalent & Alternatives

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

Compared with R5F10ELDAFB#X0, R5F10EGDAFB#X0 reduces package size and analog channel count while sacrificing dual-domain noise isolation, whereas R5F10ELCGFB#X0 maintains full feature parity but adds industrial temperature qualification-making it drop-in compatible for thermal-critical deployments.

Availability

R5F10ELDAFB#X0 is available at Aetrix Electronics and suitable for smart metering, industrial sensor nodes, home appliance control, and building HVAC systems requiring stable component supply, long-term lifecycle support, and RoHS-compliant sourcing.

Supply support for R5F10ELDAFB#X0 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, power, and SoC solutions for automotive, industrial, and IoT markets.

The RL78/G1A product line delivers ultra-low-power 16-bit MCUs optimized for cost-sensitive, battery-operated, and safety-critical industrial control applications-with emphasis on analog integration, functional safety, and seamless toolchain support.

FAQ

What is the maximum operating frequency and core performance of the R5F10ELDAFB#X0?

The R5F10ELDAFB#X0 operates at up to 32 MHz using its high-speed on-chip oscillator and delivers 41 DMIPS of processing performance. Its RL78 16-bit CISC core executes 86% of instructions in 1–2 clock cycles, with single-cycle 16×16 multiply and MAC operations-making the R5F10ELDAFB#X0 well-suited for real-time control loops and sensor data processing without external acceleration.

Does the R5F10ELDAFB#X0 support hardware-based functional safety features?

Yes, the R5F10ELDAFB#X0 includes multiple IEC 60730 Class B–compliant safety features: flash memory CRC calculation, RAM parity error detection, SFR write protection, illegal memory access detection, clock frequency monitoring, and ADC self-test. These capabilities allow the R5F10ELDAFB#X0 to be deployed in safety-critical industrial control applications with reduced external safety monitoring overhead.

How many analog input channels does the R5F10ELDAFB#X0 support, and what is its ADC resolution and speed?

The R5F10ELDAFB#X0 integrates a 28-channel, 12-bit successive approximation register (SAR) ADC with a minimum conversion time of 3.375 µs. It supports operation down to 1.6 V supply and includes an internal 1.45 V voltage reference and on-chip temperature sensor-enabling the R5F10ELDAFB#X0 to perform high-accuracy analog measurements in compact, low-power systems without external reference components.

What package type and pin count does the R5F10ELDAFB#X0 use, and is it RoHS-compliant?

The R5F10ELDAFB#X0 uses a 64-pin LFQFP (plastic low-profile quad flat package) with 10 mm × 10 mm body size and 0.5 mm pitch. It is lead-free and fully RoHS-compliant. The part number suffix "FB" explicitly denotes this LFQFP package, and "#X0" indicates embossed tape packaging-ensuring the R5F10ELDAFB#X0 meets modern environmental and automated assembly requirements.

Can the R5F10ELDAFB#X0 operate from a single 1.8 V supply, and what are its lowest-power operating modes?

Yes, the R5F10ELDAFB#X0 supports operation from 1.6 V to 3.6 V, including stable 1.8 V operation across its full temperature range. Its lowest-power modes include Halt (0.57 µA with RTC + LVD enabled), Stop (0.23 µA RAM-retained), and Snooze (0.6 mA for ADC-triggered wake-up). This makes the R5F10ELDAFB#X0 ideal for energy harvesting and coin-cell–powered applications where sustained ultra-low quiescent current is essential.