Renesas R5F104BEGFP#30

Overview

R5F104BEGFP#30 from Renesas is a 32-bit RL78/G14 microcontroller with 96 KB flash, 12 KB RAM, and 48-pin LFQFP (0.5 mm pitch) package, operating from 1.6–5.5 V at -40 to +105°C (industrial G-grade). It delivers 44 DMIPS at 32 MHz, features 10-bit ADC (16 channels), UART/SPI/I²C interfaces, RTC, and ultra-low-power HALT/STOP modes (0.60 μA RTC+LVD).

For engineers reviewing the R5F104BEGFP#30 datasheet, R5F104BEGFP#30 pinout, R5F104BEGFP#30 application, or R5F104BEGFP#30 equivalent, this device is selected for cost-sensitive industrial control nodes requiring integrated analog peripherals, deterministic real-time response, and long battery life in compact LQFP layouts.

Technical Context

The R5F104BEGFP#30 implements the RL78 CPU core with 3-stage pipeline, supporting instruction execution times from 0.03125 µs (32 MHz high-speed oscillator) to 30.5 µs (32.768 kHz subsystem clock). It integrates a Data Flash memory (8 KB) enabling background operation (BGO) and 1,000,000 write cycles, alongside on-chip debug and self-programming with boot swapping.

Peripheral integration includes an Event Link Controller (ELC) for hardware-triggered peripheral chaining, a Data Transfer Controller (DTC) supporting block/repeat transfers, and dual voltage detector (LVD) levels with interrupt/reset selection - all configured via dedicated registers without CPU intervention.

Key Specifications

Pinout & Package

Package: 48-pin LFQFP, 7 × 7 mm, 0.5 mm pitch, exposed pad recommended for thermal management. Pin count and I/O mapping align with RL78/G14 48-pin variant specifications.

Key Features

Applications

Equivalent & Alternatives

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

Compared with R5F104BEGFP#30, the R5F104GEGFP#30 provides headroom for feature-rich firmware growth within identical mechanical and thermal constraints, while the R5F104BEAFP#30 trades I/O and package size for lower assembly cost and smaller PCB footprint in less demanding applications.

Availability

R5F104BEGFP#30 is available at Aetrix Electronics and suitable for industrial motor control, smart energy metering, and automotive body electronics requiring stable component supply across extended temperature ranges and long production lifecycles.

Supply support for R5F104BEGFP#30 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 targets cost-sensitive, ultra-low-power general-purpose applications - delivering high integration, robustness, and toolchain maturity for rapid development of industrial and consumer control systems.

FAQ

What is the maximum operating frequency and corresponding performance of the R5F104BEGFP#30?

The R5F104BEGFP#30 operates at up to 32 MHz using its high-speed on-chip oscillator, delivering 44 DMIPS of processing performance. This enables real-time execution of control algorithms, communication stacks, and sensor data processing without external clock components.

Does the R5F104BEGFP#30 support in-system programming and secure firmware updates?

Yes, the R5F104BEGFP#30 supports self-programming with boot swapping and flash shield window protection. Its 8 KB data flash allows background rewriting during runtime, enabling secure over-the-air (OTA) updates without interrupting system operation.

What are the low-power capabilities of the R5F104BEGFP#30, and how are they implemented?

The R5F104BEGFP#30 achieves 0.60 μA in STOP mode with RTC and LVD active, and 66 μA/MHz in HALT mode. These states are entered via software-controlled register writes and supported by on-chip power gating, regulator control, and clock gating - no external circuitry required.

Which communication interfaces are integrated into the R5F104BEGFP#30, and what are their key configurations?

The R5F104BEGFP#30 integrates UART (with LIN support), simplified SPI (CSI), and I²C interfaces. It offers up to 4 UART channels, 3–8 CSI channels, and 4–10 I²C channels - all configurable via peripheral I/O redirection registers to optimize pin assignment.

How does the R5F104BEGFP#30 handle analog signal acquisition, and what is its ADC specification?

The R5F104BEGFP#30 includes a 10-bit successive-approximation ADC with 16 input channels, internal 1.45 V reference, and temperature sensor. It supports programmable sampling time and conversion triggers via ELC or timers - enabling synchronized multi-channel acquisition for motor current sensing.