Renesas R5F104GGANA#20

Overview

R5F104GGANA#20 from Renesas is a 48-pin HWQFN-packaged 16-bit RL78/G14 microcontroller with 96 KB flash, 12 KB RAM, and industrial-grade operation up to +105°C. It delivers 44 DMIPS at 32 MHz, features ultra-low power consumption (66 μA/MHz active, 0.60 μA RTC+LVD), and integrates 10-bit ADC (16 channels), UART/SPI/I²C interfaces, and real-time clock with calendar support - deployed in smart metering and industrial sensor nodes.

For engineers reviewing the R5F104GGANA#20 datasheet, R5F104GGANA#20 pinout, R5F104GGANA#20 application, or R5F104GGANA#20 equivalent, key selection criteria include its 48-pin HWQFN-0.5mm package, G-grade temperature rating (−40 to +105°C), 96 KB code flash with data flash shield, and integrated event link controller for deterministic peripheral triggering.

Technical Context

The R5F104GGANA#20 implements the RL78 CPU core with 3-stage pipeline CISC architecture, supporting instruction execution times from 0.03125 µs (32 MHz) to 30.5 µs (32.768 kHz). It embeds a Data Transfer Controller (DTC) with chain transfer and an Event Link Controller (ELC) enabling direct hardware-to-peripheral signal routing without CPU intervention.

Its mixed-signal subsystem includes a 10-bit A/D converter with internal 1.45 V reference and temperature sensor, dual-channel 8-bit D/A with real-time output, and two comparators configurable in high-speed, low-speed, or window mode - all operating across the full 1.6–5.5 V supply range.

Key Specifications

Pinout & Package

Package: 48-pin HWQFN (7 × 7 mm, 0.5 mm pitch), exposed die pad recommended to be connected to VSS.

Key Features

Applications

Equivalent & Alternatives

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

Compared with R5F104GHANA#20 and R5F104GGAFB#30, the R5F104GGANA#20 offers optimal balance of compact 48-pin HWQFN packaging, industrial temperature resilience, and sufficient memory for certified metering and sensor edge nodes - avoiding over-provisioning while maintaining upgrade path via pin-compatible flash variants.

Availability

R5F104GGANA#20 is available at Aetrix Electronics and suitable for smart metering, industrial motor control, and wireless sensor node designs requiring stable component supply and long-term industrial lifecycle support.

Supply support for R5F104GGANA#20 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 automotive, industrial, and IoT markets.

The RL78/G14 product line targets cost-sensitive, ultra-low-power general-purpose applications - designed specifically for smart meters, home appliances, and industrial sensors requiring robust operation across extended temperature ranges.

FAQ

What is the maximum operating frequency and corresponding performance of the R5F104GGANA#20?

The R5F104GGANA#20 operates at up to 32 MHz with a high-speed on-chip oscillator, delivering 44 DMIPS. Its minimum instruction execution time is 0.03125 µs at 32 MHz, and it supports dynamic clock scaling down to 32.768 kHz for ultra-low-power RTC operation. This dual-speed capability allows the R5F104GGANA#20 to balance computational throughput and energy efficiency in duty-cycled applications like sensor nodes.

Does the R5F104GGANA#20 support in-system programming and secure firmware updates?

Yes, the R5F104GGANA#20 supports self-programming of both code and data flash memory with boot swapping and flash shield window protection. It allows block-level erase prohibition and provides hardware-based security features to prevent unauthorized rewriting. These capabilities enable secure over-the-air (OTA) firmware updates and field calibration storage in safety-critical R5F104GGANA#20 deployments.

What are the analog peripheral capabilities of the R5F104GGANA#20?

The R5F104GGANA#20 integrates a 10-bit A/D converter with up to 16 input channels, an internal 1.45 V reference voltage, and an on-chip temperature sensor. It also includes two 8-bit D/A converters with real-time output capability and two analog comparators supporting high-speed, low-speed, and window modes. All analog functions operate across the full 1.6–5.5 V supply range, making the R5F104GGANA#20 suitable for precision measurement in varying power environments.

How does the Event Link Controller (ELC) enhance real-time responsiveness in the R5F104GGANA#20?

The ELC in the R5F104GGANA#20 enables direct hardware-level linking of 19–26 peripheral events (e.g., timer overflow, ADC completion) to target modules (e.g., PWM, DTC) without CPU involvement. This eliminates interrupt latency and software overhead, allowing deterministic sub-microsecond responses - critical for closed-loop motor control and synchronized sensor acquisition in the R5F104GGANA#20.

What package and thermal considerations apply to the R5F104GGANA#20?

The R5F104GGANA#20 uses a 48-pin HWQFN (7 × 7 mm, 0.5 mm pitch) package with an exposed die pad that Renesas recommends connecting to VSS for optimal thermal performance. The device is rated for −40°C to +105°C operation (G-grade), and REGC requires a 0.47–1 µF bypass capacitor to VSS. These characteristics make the R5F104GGANA#20 suitable for thermally constrained industrial enclosures and outdoor metering housings.