Manufacturer Part Number

R5F104GGDFB#10

Description

Renesas R5F104GGDFB#10 is a low-power microcontroller from the RL78/G14 series. It has a 16-bit RL78 core, runs up to 32MHz, and includes 128KB Flash memory and 16KB RAM. The device is housed in a 48-lead LQFP package (7x7mm), suitable for compact PCB designs. It supports multiple serial communications and offers various industrial-grade peripherals.

Specifications

Series: RL78/G14

Core Processor: RL78, 16-bit

Frequency: 32MHz

Program Memory: 128KB Flash

RAM: 16KB

EEPROM: 8KB

I/O Pins: 34

Data Converters: 10-channel 8/10-bit A/D, 2-channel 8-bit D/A

Peripherals: DMA, LVD, POR, PWM, WDT

Connectivity: CSI, I2C, LINbus, UART/USART

Operating Voltage: 1.6 to 5.5V

Operating Temperature: -40°C to +85°C

Packaging: 48-LQFP (7x7mm), MSL 3 (168hrs)

RoHS: Compliant (RoHS3)

REACH: Unaffected

Device Structure

Uses a high-efficiency RL78 16-bit core. Includes embedded Flash, RAM, and EEPROM memory blocks within the chip. Integrates peripherals such as timers, communication blocks, and data converters. Multiple dedicated analog and digital function pins; all resources are accessible through 48 surface-mount leads. Internal RC oscillator minimizes need for external clock.

Performance Characteristics

Low active and standby power consumption, good for battery and energy-saving applications

Fast execution up to 32MHz

Industrial temperature range, reliable over -40°C to +85°C

Multiple on-chip data converters and high integration level support mixed-signal processing

High communication flexibility with support for I2C, LIN, UART/USART, and CSI interfaces

Flash, RAM, EEPROM combination enables data logging and program flexibility

Application Environments

Home appliances (air conditioner, washing machine main boards)

Industrial control (sensors, robotics, process automation)

Automotive systems (body control, dashboard clusters, LIN communication nodes)

Consumer electronics and energy monitoring

IoT edge devices needing low-power MCU with strong peripheral set

Selection Guidelines

Choose if your design needs a reliable, medium-spec microcontroller with up to 34 I/Os, mixed-signal capabilities, and 128KB Flash for code/data storage

Well-suited if your power supply ranges from 1.6V to 5.5V

Recommended for surface-mount designs requiring a 7x7mm package and industrial temperature support

Useful if you need strong multi-protocol serial communication support

If you need high-level integration and cost efficiency in medium-complexity embedded applications, this MCU fits well

Usage Considerations

Respect MSL 3 moisture sensitivity; reflow within 168 hours after package opening

Operate strictly within -40°C to +85°C to ensure reliability

Double-check pin assignments to avoid I/O resource conflict

Use internal oscillator to reduce part count, though accuracy limitations may exist

Thorough ESD/EMC design recommendations should be checked in industrial and automotive applications

Ensure firmware memory usage fits allocated Flash and RAM

Potential Equivalent/Replacement Models

This RL78/G14 part has alternatives for similar applications. Current equivalent or alternative part numbers include:

R5F104GGAFB#10

R5F104GGAFB#30

If these do not suit your requirements, or you need direct drop-in replacements, please contact the Ariat-Tech sales team for expert recommendations and cross-referencing to match your specific needs.

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