Renesas R5F100GEAFB#30

Overview

R5F100GEAFB#30 from Renesas is a 48-pin LFQFP-0.5mm-pitch 16-bit RL78/G13 microcontroller with 64 KB flash, 4 KB data flash, 4 KB RAM, 10-bit ADC (12-channel), and real-time clock - designed for ultra-low-power industrial control applications operating from 1.6 V to 5.5 V across –40°C to +105°C.

For engineers reviewing the R5F100GEAFB#30 datasheet, R5F100GEAFB#30 pinout, R5F100GEAFB#30 application, or R5F100GEAFB#30 equivalent, key selection criteria include its industrial-grade temperature range (–40°C to +105°C), integrated RTC with calendar/alarm, background data flash rewrite capability, and support for LIN-bus UART communication in compact 7 mm × 7 mm LFQFP packaging.

Technical Context

The R5F100GEAFB#30 implements the RL78 CPU core with 3-stage pipeline CISC architecture, enabling 41 DMIPS at 32 MHz while maintaining ultra-low active current (66 μA/MHz) and sub-μA standby (0.57 μA in RTC+LVD mode). It integrates dual-clock domains: high-speed on-chip oscillator (selectable 1–32 MHz, ±1.0% accuracy) and low-speed subsystem clock (32.768 kHz).

Its peripheral set includes up to 16× 16-bit timers, 3× I²C/Simplified I²C channels, 2× UART/LIN interfaces, 2× CSI/SPI channels, DMA controller (4 channels), and hardware multiplier/divider - all optimized for deterministic real-time response in resource-constrained embedded systems.

Key Specifications

Pinout & Package

Package: 48-pin LFQFP (7 mm × 7 mm, 0.5 mm pitch), RoHS-compliant, moisture sensitivity level 3.

Key Features

Applications

Equivalent & Alternatives

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

Compared with R5F100GEAFB#30, R5F101GEAFB#30 removes data flash but retains full pin and code compatibility for cost-sensitive designs, while RL78/G14 R5F104GCAFB#30 adds USB and larger memory at the expense of higher power and cost - making R5F100GEAFB#30 optimal for industrial control nodes requiring robust data logging within tight thermal and budget constraints.

Availability

R5F100GEAFB#30 is available at Aetrix Electronics and suitable for industrial motor controllers, smart sensor nodes, programmable relays, and energy meter front-ends requiring stable component supply across extended temperature ranges and long product lifecycles.

Supply support for R5F100GEAFB#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 delivering trusted embedded solutions for automotive, industrial, infrastructure, and IoT markets.

The RL78/G13 product line delivers true low-power 16-bit MCUs targeting cost-sensitive industrial and consumer applications requiring extended battery life, high reliability, and rich analog/mixed-signal integration - with emphasis on ease of migration from legacy 8-bit platforms.

FAQ

What is the maximum operating frequency and corresponding performance of the R5F100GEAFB#30?

The R5F100GEAFB#30 operates at up to 32 MHz using its high-speed on-chip oscillator, delivering 41 DMIPS of processing performance. Its RL78 CPU core features a 3-stage pipeline and supports instruction execution times ranging from 0.03125 μs (at 32 MHz) to 30.5 μs (at 32.768 kHz), enabling flexible trade-offs between speed and ultra-low-power operation. This makes the R5F100GEAFB#30 well-suited for deterministic real-time tasks in battery-powered and thermally constrained environments.

Does the R5F100GEAFB#30 support LIN bus communication, and how is it implemented?

Yes, the R5F100GEAFB#30 supports LIN 2.2 bus communication through its UART peripherals - specifically UART0 and UART1, which include built-in LIN break detection, sync field handling, and checksum calculation. The R5F100GEAFB#30 does not require external transceivers for basic LIN node functionality; however, an external LIN transceiver (e.g., TLE7259) is needed for physical layer compliance. This integrated support reduces component count and simplifies design for automotive body electronics and industrial sub-networks.

How much data flash is available on the R5F100GEAFB#30, and what are its key usage characteristics?

The R5F100GEAFB#30 includes 4 KB of on-chip data flash memory rated for 1,000,000 write/erase cycles (typical) and operable across the full VDD range of 1.8 V to 5.5 V. It supports background operation (BGO), allowing the R5F100GEAFB#30 to execute application code from main flash while simultaneously rewriting data flash - essential for safe firmware parameter updates and event logging without system interruption.

What industrial temperature grade does the R5F100GEAFB#30 support, and how is this reflected in its part number?

The R5F100GEAFB#30 is rated for industrial operation from –40°C to +105°C, indicated by the "G" suffix in its part number (R5F100GExxx). This G-grade qualification ensures guaranteed functionality and parametric performance across the full extended temperature range, making the R5F100GEAFB#30 suitable for demanding applications such as motor drives, factory automation I/O modules, and outdoor energy infrastructure where ambient conditions exceed commercial-grade limits.

Can the R5F100GEAFB#30 operate from a single 1.8 V supply, and what peripherals remain functional at that voltage?

Yes, the R5F100GEAFB#30 supports operation down to 1.6 V, so 1.8 V is fully within its specified VDD range. At 1.8 V, all core functions remain active including the 10-bit ADC (with internal 1.45 V reference), RTC, 16-bit timers, UART/LIN, I²C, and DMA - though maximum operating frequency is reduced to 16 MHz. The R5F100GEAFB#30's ability to run at low voltage while retaining analog and timing peripherals enables direct interfacing with 1.8 V sensors and logic, reducing need for level shifters in ultra-low-power designs.