Renesas R5F100ECGNA#U0

Overview

R5F100ECGNA#U0 from Renesas is a 40-pin HWQFN-packaged 16-bit RL78/G13 microcontroller with 64 KB flash, 4 KB data flash, and 4 KB RAM, operating from 1.6 V to 5.5 V at up to 32 MHz (41 DMIPS), featuring ultra-low-power HALT/STOP/SNOOZE modes (0.57 μA RTC+LVD), integrated 10-bit ADC (26 channels), real-time clock, and UART/I²C/CSI interfaces - deployed in battery-powered industrial sensors and smart metering endpoints.

For engineers reviewing the R5F100ECGNA#U0 datasheet, R5F100ECGNA#U0 pinout, R5F100ECGNA#U0 application, or R5F100ECGNA#U0 equivalent, key selection criteria include its 40-pin HWQFN-0.5 mm pitch package, 64 KB code flash with self-programming and flash shield window, 10-bit ADC with internal 1.45 V reference, and industrial-grade -40°C to +105°C operation under G-grade qualification.

Technical Context

The R5F100ECGNA#U0 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 a high-accuracy ±1.0% on-chip oscillator (selectable 1–32 MHz) and supports background operation for data flash rewriting while executing code from program memory.

Power management includes on-chip POR and LVD with 14 selectable voltage detection levels, DMA controller (4 channels), 16×16-bit multiplier/32-bit divider, and peripheral functions including 16-bit timers (12 channels), real-time clock with calendar/alarm, watchdog timer, and simplified SPI (CSI), UART/LIN, and I²C interfaces - all optimized for deterministic low-power embedded control.

Key Specifications

Pinout & Package

Package: 40-pin HWQFN (6 × 6 mm, 0.5 mm pitch), exposed thermal pad, 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 R5F100ECGNA#U0, R5F100EGGNA#U0 provides scalable memory headroom for feature-rich firmware, while R5F101ECGNA#U0 reduces BOM cost by removing redundant data flash - both retain identical timing, power, and interface behavior for seamless design migration.

Availability

R5F100ECGNA#U0 is available at Aetrix Electronics and suitable for smart metering, industrial sensor nodes, home appliance control, and building automation panels requiring stable component supply across long production lifecycles.

Supply support for R5F100ECGNA#U0 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, and power solutions for industrial, automotive, and IoT markets.

The RL78/G13 family delivers true low-power embedded control with integrated peripherals and robust flash technology - designed specifically for cost-sensitive, battery-operated, and industrial-grade applications demanding long-term reliability.

FAQ

What is the maximum operating frequency and performance of the R5F100ECGNA#U0?

The R5F100ECGNA#U0 operates at up to 32 MHz with 41 DMIPS performance, enabled by its RL78 CPU core and high-accuracy ±1.0% on-chip oscillator. This speed is fully supported across its entire 1.6 V to 5.5 V supply range and -40°C to +105°C temperature envelope, making R5F100ECGNA#U0 suitable for real-time control tasks in demanding environments without external clock components.

Does the R5F100ECGNA#U0 include data flash memory, and what is its endurance?

Yes, the R5F100ECGNA#U0 integrates 4 KB of data flash memory rated for 1,000,000 write/erase cycles (typical) at VDD = 1.8 V to 5.5 V. It supports background operation (BGO), allowing code execution from program memory while rewriting data flash - a key capability for R5F100ECGNA#U0 in applications requiring persistent event logging or configuration storage.

What low-power modes does the R5F100ECGNA#U0 support, and what is its lowest active current?

The R5F100ECGNA#U0 supports HALT (66 μA/MHz), STOP (0.57 μA with RTC and LVD active), and SNOOZE modes. Its lowest active current is achieved in STOP mode, where only the real-time clock and low-voltage detector remain powered - enabling multi-year battery life in R5F100ECGNA#U0-based sensor endpoints without compromising timekeeping or safety monitoring.

Is the R5F100ECGNA#U0 qualified for industrial temperature operation?

Yes, the R5F100ECGNA#U0 carries the 'G' suffix indicating industrial temperature qualification: -40°C to +105°C ambient operating range. This rating is guaranteed per Renesas specification and applies to all electrical parameters, timing, and peripheral functionality - confirming R5F100ECGNA#U0 suitability for deployment in harsh environments such as factory floors or outdoor utility enclosures.

What package type and pin count does the R5F100ECGNA#U0 use?

The R5F100ECGNA#U0 uses a 40-pin HWQFN package (6 × 6 mm, 0.5 mm pitch) with an exposed thermal pad, identified by the '#U0' suffix denoting tray packaging for HWQFN devices. This compact, thermally efficient package supports high-density PCB layouts and is compatible with standard reflow processes - a defining physical characteristic of the R5F100ECGNA#U0 in system design.