Renesas R5F10ELDGBG#W0

Overview

R5F10ELDGBG#W0 from Renesas is a 64-pin VFBGA-packaged 16-bit RL78/G1A microcontroller with 48 KB flash, 4 KB data flash, 2 KB RAM, 28-channel 12-bit ADC, and industrial-grade −40°C to +105°C operation. It integrates UART, I²C, SPI, RTC, PWM, and ultra-low-power modes (0.57 µA in RTC+LVD halt) for battery-powered sensor nodes and industrial control.

For engineers reviewing the R5F10ELDGBG#W0 datasheet, R5F10ELDGBG#W0 pinout, R5F10ELDGBG#W0 application, or R5F10ELDGBG#W0 equivalent, key selection criteria include its 64-pin VFBGA (4 × 4 mm, 0.4 mm pitch), 32 MHz max CPU frequency delivering 41 DMIPS, 28 analog input channels, and support for LIN, I²C multi-master, and background data flash operations.

Technical Context

The R5F10ELDGBG#W0 implements the RL78 16-bit CISC Harvard architecture with 3-stage pipeline, enabling 86% of instructions in 1–2 clock cycles. Its dual-clock system combines a 32 MHz ±1% on-chip oscillator (1.8–3.6 V, −20°C to +85°C) and 32.768 kHz subsystem crystal input (XT1/XT2) for precise RTC operation.

It features two independent DMA channels supporting 8-/16-bit transfers, hardware CRC for flash integrity, RAM parity checking, and dedicated peripheral I/O redirection registers (PIOR) enabling flexible pin function assignment without PCB changes - critical for layout reuse across variants.

Key Specifications

Pinout & Package

VFBGA-64 package (4 × 4 mm, 0.4 mm pitch) with separate analog (AVDD/AVSS), core (VDD/VSS), and port (EVDD0/EVSS0) power domains. REGC requires 0.47–1 µF capacitor to VSS. Pin 1 is marked by index corner.

Key Features

Applications

Equivalent & Alternatives

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

Compared with R5F10ELDGBG#W0, the R5F10ELEGBG#W0 offers 16 KB more flash for complex firmware while maintaining identical power, timing, and I/O behavior; the R5F10ELCGFB#V0 provides identical functionality in a larger, more manufacturable QFP package - ideal for cost-sensitive or thermally demanding applications where VFBGA assembly is constrained.

Availability

R5F10ELDGBG#W0 is available at Aetrix Electronics and suitable for smart energy metering, industrial sensor nodes, home appliance control, and automotive body electronics requiring stable component supply across extended temperature ranges and long production lifecycles.

Supply support for R5F10ELDGBG#W0 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, 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 applications requiring high integration, robustness, and long-term supply stability.

FAQ

What is the maximum operating frequency and performance of the R5F10ELDGBG#W0?

The R5F10ELDGBG#W0 operates at up to 32 MHz using its high-speed on-chip oscillator, delivering 41 DMIPS of processing performance. Its RL78 16-bit CPU core executes 86% of instructions in just 1–2 clock cycles due to its 3-stage pipeline and CISC Harvard architecture - enabling responsive real-time control in applications like motor drives and sensor fusion without external clock sources.

Does the R5F10ELDGBG#W0 support true background data flash operations?

Yes, the R5F10ELDGBG#W0 includes 4 KB of dedicated data flash memory that supports background erase and programming - meaning the CPU can execute code from main flash while simultaneously writing calibration data or event logs to data flash. This capability eliminates interrupt latency during firmware updates and ensures deterministic real-time behavior in mission-critical systems.

How does the R5F10ELDGBG#W0 achieve ultra-low-power operation in industrial environments?

The R5F10ELDGBG#W0 achieves 0.57 µA halt-mode current with RTC and LVD active through integrated voltage regulation, clock gating, and deep-sleep state optimization. Its industrial −40°C to +105°C rating is validated across full voltage range (1.6–3.6 V), and separate EVDD0/EVSS0 domains isolate noisy digital I/O from precision analog circuits - ensuring reliable operation in harsh thermal and electrical conditions.

What packaging and thermal considerations apply to the R5F10ELDGBG#W0?

The R5F10ELDGBG#W0 uses a 64-pin VFBGA package (4 × 4 mm, 0.4 mm pitch) with exposed die pad recommendations for thermal dissipation. Critical layout requirements include connecting REGC to AVSS with a 0.47–1 µF capacitor, matching EVSS0 potential to VSS, and maintaining EVDD0 at a potential higher than EVSS0 but lower than VDD - all specified in the official Renesas datasheet R01DS0151EJ0230.

Can the R5F10ELDGBG#W0 replace older RL78/G13 or G14 devices in existing designs?

The R5F10ELDGBG#W0 is not a direct drop-in replacement for RL78/G13 or G14 devices due to differences in peripheral register mapping, interrupt vector tables, and pin function assignments - even when package and pin count match. Migration requires firmware adaptation and validation; however, its RL78/G1A family compatibility simplifies porting within the same generation, especially when leveraging PIOR for I/O flexibility.