Renesas R5F104BAGFP#30

Overview

R5F104BAGFP#30 from Renesas is a 32-pin LQFP-packaged RL78/G14 16-bit microcontroller with 96 KB flash, 12 KB RAM, and industrial-grade -40°C to +105°C operation (G-grade). It delivers 44 DMIPS at 32 MHz, features ultra-low power consumption (66 μA/MHz active, 0.60 μA RTC+LVD), and integrates UART, I²C, SPI, 16-bit timers, 10-bit ADC (12 channels), and on-chip RTC for embedded control in HVAC, motor drives, and industrial sensors.

For engineers reviewing the R5F104BAGFP#30 datasheet, R5F104BAGFP#30 pinout, R5F104BAGFP#30 application, or R5F104BAGFP#30 equivalent, key selection criteria include its G-grade temperature rating, 32-pin LQFP-0.8 mm pitch package, 96 KB code flash with data flash, integrated event link controller (ELC), and support for background data flash rewriting (BGO).

Technical Context

The R5F104BAGFP#30 implements the RL78 CPU core with CISC architecture, 3-stage pipeline, and configurable instruction timing (0.03125 µs min @ 32 MHz to 30.5 µs @ 32.768 kHz). It uses a dedicated low-speed on-chip oscillator for watchdog timer operation and supports HALT/STOP/SNOOZE low-power modes.

Its peripheral set includes an Event Link Controller (ELC) enabling hardware-triggered peripheral chaining without CPU intervention, Data Transfer Controller (DTC) supporting block/repeat transfers activated by interrupts, and a Real-Time Clock with calendar, alarm, and clock correction functions - all operating independently during STOP mode.

Key Specifications

Pinout & Package

Package: 32-pin plastic LQFP (7 × 7 mm, 0.8 mm pitch), RoHS-compliant, lead-free.

Key Features

Applications

Equivalent & Alternatives

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

Compared with R5F104BCGFP#30 and R5F104BGFP#30, the R5F104BAGFP#30 uniquely provides 96 KB flash with 4 KB data flash, enabling robust firmware updates and persistent configuration storage - essential for field-upgradable industrial devices requiring long-term data integrity.

Availability

R5F104BAGFP#30 is available at Aetrix Electronics and suitable for industrial motor control, smart HVAC sensor nodes, and programmable logic relays requiring stable component supply, long lifecycle assurance, and G-grade temperature compliance.

Supply support for R5F104BAGFP#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/G14 product line delivers true low-power 16-bit MCUs optimized for cost-sensitive industrial and consumer applications requiring extended battery life, robust peripheral integration, and seamless toolchain support with CS+ and e2 studio.

FAQ

What is the maximum operating frequency and performance of the R5F104BAGFP#30?

The R5F104BAGFP#30 operates at up to 32 MHz with a peak performance of 44 DMIPS. Its high-speed on-chip oscillator supports frequencies from 1 MHz to 64 MHz with ±1.0% accuracy across the full industrial temperature range (-40°C to +105°C), and the RL78 CPU core achieves minimum instruction execution times of 0.03125 µs at 32 MHz. This makes the R5F104BAGFP#30 suitable for real-time control tasks demanding deterministic timing and moderate computational throughput.

Does the R5F104BAGFP#30 support in-system programming and secure firmware updates?

Yes, the R5F104BAGFP#30 supports secure in-system programming via its on-chip debug function and self-programming capability with boot swapping. The flash memory includes security features such as block erase/write prohibition and flash shield window protection. These mechanisms prevent unauthorized access to firmware and enable safe field updates by maintaining a validated backup image during reprogramming - a critical requirement for deployed R5F104BAGFP#30-based industrial controllers.

What low-power modes are available on the R5F104BAGFP#30, and what is the lowest achievable current?

The R5F104BAGFP#30 offers HALT, STOP, and SNOOZE low-power modes. In STOP mode with only the real-time clock (RTC) and low-voltage detector (LVD) active, it draws just 0.60 μA - verified at VDD = 1.8–5.5 V and TA = -40°C to +105°C. This ultra-low quiescent current enables multi-year battery operation in sensor nodes and energy-harvesting applications where the R5F104BAGFP#30 serves as the primary system controller.

How many serial interfaces does the R5F104BAGFP#30 integrate, and are they configurable?

The R5F104BAGFP#30 integrates three UART/LIN channels, four I²C channels, and three CSI (SPI-compatible) channels. All serial peripherals support flexible pin assignment through the Peripheral I/O Redirection Registers (PIOR0/1), allowing engineers to map functions like SDA, SCL, MOSI, or MISO to multiple physical pins. This configurability simplifies PCB layout and enables reuse of the same R5F104BAGFP#30 design across variants with differing connector placements or signal routing constraints.

What is the analog capability of the R5F104BAGFP#30, and does it include internal references?

The R5F104BAGFP#30 features a 10-bit successive-approximation ADC with 12 analog input channels, internal 1.45 V reference voltage, and an integrated temperature sensor. It supports single-ended and differential input modes, programmable sample-and-hold timing, and conversion triggers from timers or external events. The presence of both AVREFP and AVREFM pins allows for precise ratiometric measurements, and the internal reference ensures accurate ADC operation without external components - a key advantage for compact R5F104BAGFP#30-based measurement systems.