Renesas R5F100MLGFB#30

Overview

R5F100MLGFB#30 from Renesas is an RL78/G13 80-pin, 512 KB flash, 32 KB RAM, 8 KB data flash microcontroller with ultra-low-power operation (66 μA/MHz active, 0.57 μA RTC+LVD), 1.6–5.5 V supply, and integrated 32 MHz high-accuracy on-chip oscillator. It serves as a general-purpose embedded controller in industrial sensor nodes, smart metering interfaces, and battery-powered HMI modules.

For engineers reviewing the R5F100MLGFB#30 datasheet, R5F100MLGFB#30 pinout, R5F100MLGFB#30 application, or R5F100MLGFB#30 equivalent, key selection criteria include its 80-pin LFQFP-0.5 mm package, -40°C to +105°C industrial temperature grade (G), integrated RTC with calendar/alarm, 26-channel 10-bit ADC, and support for background data flash rewriting (1M write cycles).

Technical Context

The R5F100MLGFB#30 implements the RL78 CPU core with CISC architecture, 3-stage pipeline, and configurable instruction timing (0.03125 μs @ 32 MHz to 30.5 μs @ 32.768 kHz). It integrates dual clock domains: high-speed main system clock (up to 32 MHz) and low-speed subsystem clock (32.768 kHz) for independent RTC and LVD operation.

Its peripheral set includes 16× 16-bit timers, 1× real-time clock with calendar and correction, 3× I²C/Simplified I²C channels, 4× UART/LIN channels, 2× CSI (SPI-compatible) interfaces, and DMA controller with 4 channels supporting 2-clock transfers between SFR and RAM.

Key Specifications

Pinout & Package

Package: 80-pin LFQFP (12 × 12 mm, 0.5 mm pitch), RoHS-compliant, moisture sensitivity level (MSL) 3.

Key Features

Applications

Equivalent & Alternatives

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

Compared with R5F100MLGFB#50, the #30 variant offers tray packaging optimized for manual prototyping and small-batch assembly; compared with R5F101MLGFB#30, the presence of 8 KB data flash enables robust field-upgradeability and long-term calibration storage - a decisive advantage in certified industrial equipment.

Availability

R5F100MLGFB#30 is available at Aetrix Electronics and suitable for industrial sensor nodes, smart metering interfaces, and factory HMI panels requiring stable component supply, long lifecycle support, and guaranteed traceability.

Supply support for R5F100MLGFB#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 automotive, industrial, and IoT markets.

The RL78/G13 product line delivers ultra-low-power, cost-optimized 16-bit MCUs targeting general-purpose embedded applications requiring high integration, extended temperature operation, and robust flash reliability.

FAQ

What is the maximum operating frequency and corresponding power consumption of the R5F100MLGFB#30?

The R5F100MLGFB#30 operates up to 32 MHz using its high-accuracy on-chip oscillator. At this frequency, active current consumption is 66 μA per MHz, resulting in approximately 2.1 mA total at full speed with typical peripheral enablement. In STOP mode with RTC and LVD active, it draws just 0.57 μA - verified per R01DS0131EJ0380 Rev.3.80 datasheet Section 1.1.

Does the R5F100MLGFB#30 support external crystal oscillators, or is it limited to the internal oscillator?

The R5F100MLGFB#30 supports both internal and external clock sources. Its high-accuracy on-chip oscillator provides selectable frequencies from 1 MHz to 32 MHz (±1.0% accuracy). Additionally, it accepts external crystals (1–20 MHz) or ceramic resonators on the X1/X2 pins, enabling precise timing for communication protocols like UART or USB bridge applications.

How many analog input channels does the R5F100MLGFB#30 support, and what is the ADC resolution?

The R5F100MLGFB#30 features a 10-bit successive-approximation ADC with up to 26 analog input channels. It supports internal reference (1.45 V) or external AVREFP/AVREFM inputs, and includes a built-in temperature sensor. The ADC operates across the full 1.6–5.5 V supply range, with conversion times configurable down to 1.5 μs per sample.

Is the R5F100MLGFB#30 pin-compatible with other RL78/G13 variants in the 80-pin LFQFP package?

Yes - all RL78/G13 80-pin LFQFP variants (e.g., R5F100MLAFB#30, R5F100MLGFB#30, R5F101MLGFB#30) share identical pinouts and package dimensions (PLQP0080KE-A). Differences lie solely in memory configuration (code flash, data flash, RAM) and temperature grade (G = -40°C to +105°C), allowing drop-in replacement where functional requirements align.

What debug and programming interfaces are supported by the R5F100MLGFB#30?

The R5F100MLGFB#30 supports on-chip debugging via the single-wire debug (SWD) interface using the dedicated TOOLx pins. It is compatible with Renesas E2 emulator and CS+ IDE. Flash programming is performed through the on-chip debug function or via user code using the flash self-programming library - no external programmer required for field updates.