Renesas R5F100GAAFB#30

Overview

R5F100GAAFB#30 from Renesas is a 48-pin LFQFP-packaged 16-bit RL78/G13 microcontroller with 128 KB flash, 8 KB data flash, 12 KB RAM, 32 MHz max CPU speed, and industrial-grade -40°C to +105°C operation. It integrates RTC, 10-bit ADC (24 channels), UART/SPI/I²C interfaces, and ultra-low-power modes (0.57 μA in STOP with RTC+LVD) for battery-powered sensor nodes and motor control.

For engineers reviewing the R5F100GAAFB#30 datasheet, R5F100GAAFB#30 pinout, R5F100GAAFB#30 application, or R5F100GAAFB#30 equivalent, key selection criteria include its 48-pin LFQFP-0.5mm-pitch package, integrated data flash with 1M rewrite cycles, real-time clock with calendar/alarm, and support for LIN-bus via UART - all critical for cost-sensitive industrial control and smart appliance designs.

Technical Context

The R5F100GAAFB#30 implements the RL78 CPU core with 3-stage pipeline CISC architecture, supporting instruction execution times from 0.03125 μs (32 MHz HS mode) to 30.5 μs (32.768 kHz subsystem clock). It features dual-clock domains: high-speed on-chip oscillator (±1.0% accuracy, 1–32 MHz selectable) and dedicated low-speed oscillator for watchdog and RTC.

Its peripheral set includes up to 16× 16-bit timers, 1× 12-bit interval timer, 1× real-time clock with calendar and clock correction, and serial interfaces with hardware LIN support. DMA controller (4 channels) enables zero-cycle memory-to-peripheral transfers, while multiplier/divider unit supports signed/unsigned 16×16→32-bit and 32÷32→32-bit operations.

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 R5F100GAAFB#30, R5F100GCAFB#30 reduces thermal qualification cost without sacrificing peripheral or memory capability, while R5F100GKAFB#30 provides scalable headroom for future firmware expansion - both maintain identical pinout and software compatibility within the RL78/G13 family.

Availability

R5F100GAAFB#30 is available at Aetrix Electronics and suitable for industrial motor control, smart thermostats, and energy monitoring sensors requiring stable component supply across extended temperature ranges and long production lifecycles.

Supply support for R5F100GAAFB#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 infrastructure markets.

The RL78/G13 product line delivers true low-power performance (66 μA/MHz) with rich analog and communication peripherals, targeting cost-sensitive embedded systems where energy efficiency, integration, and reliability are essential.

FAQ

What is the maximum operating frequency of the R5F100GAAFB#30?

The R5F100GAAFB#30 supports a maximum CPU clock frequency of 32 MHz using the high-speed on-chip oscillator, delivering 41 DMIPS performance. Its minimum instruction execution time is 0.03125 μs under this condition, and it also supports ultra-low-speed operation down to 32.768 kHz for RTC and low-power wake-up functions. The oscillator accuracy is ±1.0% across VDD = 1.8–5.5 V and TA = -20 to +85°C.

Does the R5F100GAAFB#30 include an integrated real-time clock (RTC)?

Yes, the R5F100GAAFB#30 includes a dedicated real-time clock with full calendar functionality (99-year range), alarm interrupt, and clock correction capability. It operates independently in STOP mode with only 0.57 μA current draw when powered by VDD, and supports external 32.768 kHz crystal or internal sub-system clock. This eliminates the need for external RTC ICs in time-critical applications like data loggers and smart meters.

How much data flash memory does the R5F100GAAFB#30 provide, and what is its endurance?

The R5F100GAAFB#30 provides 8 KB of on-chip data flash memory with 1,000,000 write/erase cycles (typical) and background operation (BGO) support. This allows the R5F100GAAFB#30 to execute code from main flash while simultaneously rewriting data flash - ideal for storing calibration data, device configuration, or usage logs without interrupting real-time operation.

What package type and pin count does the R5F100GAAFB#30 use?

The R5F100GAAFB#30 uses a 48-pin LFQFP package (7 mm × 7 mm, 0.5 mm pitch), identified by the "FB" suffix in the part number per Renesas' ordering convention. It is supplied in tray packaging (#30 designation), and shares pin compatibility with other RL78/G13 variants in the same 48-pin LFQFP footprint, enabling scalable design reuse across memory and feature variants.

Which communication interfaces are supported by the R5F100GAAFB#30?

The R5F100GAAFB#30 supports multiple serial interfaces: up to 8 channels of CSI (SPI-compatible), 4 channels of UART/LIN, and up to 10 channels of I²C/Simplified I²C. One UART channel includes hardware LIN bus support (break detection, sync field generation), making the R5F100GAAFB#30 suitable for automotive body electronics and industrial networks requiring standardized serial communication.