Renesas R5F104GEDFB#V0

Overview

R5F104GEDFB#V0 from Renesas is a 48-pin LFQFP, 0.5 mm pitch, industrial-grade (G) 16-bit RL78/G14 microcontroller with 96 KB flash, 12 KB RAM, and 8 KB data flash. It delivers 44 DMIPS at 32 MHz, operates from 1.6–5.5 V, and supports ultra-low-power modes (0.60 μA in RTC+LVD mode). It targets battery-powered industrial sensors and smart metering interfaces requiring integrated analog peripherals and secure firmware updates.

For engineers reviewing the R5F104GEDFB#V0 datasheet, R5F104GEDFB#V0 pinout, R5F104GEDFB#V0 application, or R5F104GEDFB#V0 equivalent, key selection criteria include its 48-pin LFQFP-0.5 mm package, 96 KB/8 KB/12 KB memory configuration, -40 to +105°C industrial temperature rating, and support for BGO data flash rewriting and hardware CRC.

Technical Context

The R5F104GEDFB#V0 implements the RL78 CPU core with 3-stage pipeline CISC architecture, supporting instruction execution times from 0.03125 μs (32 MHz) to 30.5 μs (32.768 kHz). It integrates a 12-bit interval timer, real-time clock with calendar and alarm, and up to 20-channel 8/10-bit A/D converter with internal 1.45 V reference and temperature sensor.

Peripheral subsystems include 3–4 UART/LIN channels, 4–10 I²C interfaces, 3–8 CSI channels, and an Event Link Controller (ELC) enabling direct peripheral-to-peripheral event triggering without CPU intervention-reducing latency and power in deterministic control loops.

Key Specifications

Pinout & Package

Package: 48-pin LFQFP (7 × 7 mm, 0.5 mm pitch), lead-free, RoHS-compliant, industrial temperature grade (G).

Key Features

Applications

Equivalent & Alternatives

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

Compared with R5F104GEDFB#V0, R5F104GEGFB#V0 offers identical functionality with improved reliability margins, while R5F104LEDFB#V0 trades pin compatibility for significantly expanded memory-making it ideal for feature-rich upgrades without PCB redesign.

Availability

R5F104GEDFB#V0 is available at Aetrix Electronics and suitable for industrial sensor nodes, smart metering interfaces, and PLC I/O modules requiring stable component supply across extended temperature ranges and long production lifecycles.

Supply support for R5F104GEDFB#V0 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 industrial, automotive, and IoT markets.

The RL78/G14 product line delivers true low-power performance (66 μA/MHz, 0.60 μA STOP) with rich analog integration and security features-designed specifically for cost-sensitive, battery-operated, and industrial control applications.

FAQ

What is the maximum operating frequency and corresponding DMIPS rating for the R5F104GEDFB#V0?

The R5F104GEDFB#V0 operates at up to 32 MHz and delivers 44 DMIPS. This performance level is achieved using the RL78 CPU core's 3-stage pipeline and high-speed on-chip oscillator, enabling efficient execution of control algorithms and communication stacks without external clock sources. The R5F104GEDFB#V0 maintains this rating across its full industrial temperature range (−40 to +105°C).

Does the R5F104GEDFB#V0 support background data flash rewriting while executing application code?

Yes, the R5F104GEDFB#V0 supports Background Operation (BGO) for data flash. It can execute instructions from program memory while simultaneously rewriting the 8 KB data flash-enabling non-disruptive parameter updates, logging, or firmware patching. This capability is implemented in hardware and requires no CPU intervention, preserving real-time responsiveness in the R5F104GEDFB#V0.

What analog peripherals are integrated into the R5F104GEDFB#V0, and what are their key specifications?

The R5F104GEDFB#V0 integrates an 8/10-bit A/D converter with up to 20 input channels, two 8-bit D/A converters (0 V to VDD output), and up to two comparators with selectable internal/external reference. It includes an internal 1.45 V reference voltage and a calibrated temperature sensor. These peripherals operate across the full 1.6–5.5 V supply range, allowing direct use in mixed-voltage systems without external signal conditioning for the R5F104GEDFB#V0.

What is the industrial temperature rating and package type of the R5F104GEDFB#V0?

The R5F104GEDFB#V0 is rated for −40 to +105°C operation (G-grade) and housed in a 48-pin LFQFP package with 7 × 7 mm body size and 0.5 mm pin pitch. This package meets JEDEC standards for industrial reflow profiles and provides reliable thermal dissipation in enclosed enclosures. The R5F104GEDFB#V0's G-grade qualification ensures stable timing, flash retention, and analog accuracy across the full extended temperature range.

How does the Event Link Controller (ELC) enhance real-time performance in the R5F104GEDFB#V0?

The Event Link Controller (ELC) in the R5F104GEDFB#V0 enables direct hardware-level linking of up to 26 peripheral events-such as timer overflows, ADC completions, or external interrupts-to target peripherals like timers, DACs, or communication modules-without CPU involvement. This eliminates interrupt latency and ISR overhead, ensuring sub-microsecond deterministic response in time-critical control loops. The ELC is fully configurable via dedicated registers in the R5F104GEDFB#V0.