The R5F104MFA04 is a microcontroller (MCU) from Renesas Electronics, belonging to the RL78/G14 family. It is a low-power, general-purpose microcontroller designed for a wide range of applications, including consumer electronics, industrial control, and IoT devices. The RL78/G14 family is known for its balance of low power consumption, performance, and integrated peripherals, making it suitable for cost-sensitive and battery-powered applications.

Applications

• Consumer Electronics: Used in remote controls, small appliances, and personal healthcare devices.
• Industrial Control: Employed in sensor interfaces, motor control, and lighting control systems.
• IoT Devices: Integrated into smart sensors, wearable devices, and connected home appliances.
• Metering Systems: Used in smart meters for energy, water, and gas.
• Automotive Subsystems: Found in low-power automotive applications such as body control modules and sensor interfaces.

Features

• RL78 CPU Core: Based on the Renesas RL78 CPU core, offering a balance of performance and low power consumption.
• Flash Memory: Integrated flash memory for program storage, allowing for easy firmware updates.
• RAM: Includes static RAM (SRAM) for data storage.
• Timers: Integrates multiple timers, including general-purpose timers and real-time clock (RTC) functionality.
• Communication Interfaces: Supports various communication interfaces such as UART, SPI, and I2C.
• Analog-to-Digital Converter (ADC): Features an ADC for converting analog signals to digital data.
• Low Power Consumption: Optimized for ultra-low power operation, extending battery life in portable devices and enabling energy-efficient applications.

Benefits

• Long Battery Life: Low power consumption extends battery life in battery-powered applications.
• Flexible Functionality: Integrated peripherals and communication interfaces support a wide range of application requirements.
• Cost-Effective Solution: Provides a cost-effective solution for embedded control applications.
• Easy Development: Supported by a comprehensive suite of development tools, including compilers, debuggers, and emulators.

Technical Specifications

The R5F104MFA04 typically features a flash memory capacity of around 16KB or 32KB and a RAM capacity of approximately 2KB. It operates at a clock frequency of up to 20 MHz or 32 MHz. The operating voltage range is typically between 1.6V and 5.5V. It includes a 10-bit or 12-bit ADC with multiple input channels. Communication interfaces often include UART, CSI/SPI, and I2C. The available package options usually include QFP (Quad Flat Package) and LQFP (Low Profile Quad Flat Package). The interrupt controller is configurable with priority levels. The on-chip debug interface allows for easy programming and debugging. The power-on reset (POR) and low-voltage detection (LVD) circuits ensure reliable operation under varying power conditions. The code flash memory allows for self-programming and in-system programming. Renesas provides extensive documentation and sample code to support developers using the RL78 family.

The R5F104MFA04 microcontroller provides a versatile and energy-efficient solution for various embedded applications. Its low power consumption, integrated peripherals, and comprehensive development support make it a strong choice for developers seeking a reliable and cost-effective MCU.