R5F212L4

series introduction

# Introduction to the R5F212L4 Product Series

## 1. Overview
The R5F212L4 product series is a cutting - edge line of microcontrollers developed by Renesas Electronics, designed to meet the diverse and demanding requirements of modern embedded systems. These microcontrollers offer a perfect blend of high performance, low power consumption, and rich functionality, making them suitable for a wide range of applications across various industries.

## 2. Key Features

### 2.1 CPU Core
- **High - Performance Architecture**: The R5F212L4 series is based on the Renesas RX CPU core. This core provides a high - speed processing capability with a maximum operating frequency of [X] MHz. It features a 32 - bit architecture, which enables efficient execution of complex algorithms and multitasking operations.
- **Enhanced Instruction Set**: The RX core comes with an extensive instruction set that includes single - cycle multiply and accumulate (MAC) operations. This is particularly beneficial for applications such as digital signal processing (DSP), where fast arithmetic operations are crucial.

### 2.2 Memory
- **Flash Memory**: These microcontrollers are equipped with a large - capacity flash memory, ranging from [X] KB to [Y] KB. The flash memory is non - volatile, allowing for the storage of program code even when the power is turned off. It also supports in - system programming (ISP), which enables easy firmware updates without the need to remove the microcontroller from the circuit.
- **RAM**: The R5F212L4 series offers a sufficient amount of on - chip RAM, typically [X] KB. The RAM provides fast access for data storage during program execution, reducing the need for external memory and improving overall system performance.

### 2.3 Peripherals
- **Communication Interfaces**:
- **UART**: Multiple universal asynchronous receiver - transmitter (UART) interfaces are available, which are commonly used for serial communication with other devices such as sensors, displays, and communication modules. The UART interfaces support various baud rates, allowing for flexible communication configurations.
- **SPI**: Serial peripheral interface (SPI) ports are provided for high - speed serial communication between the microcontroller and external devices. SPI is often used for communicating with flash memories, ADCs, and other high - speed peripherals.
- **I²C**: The inter - integrated circuit (I²C) interface enables easy connection to a wide range of I²C - compatible devices, such as sensors, EEPROMs, and real - time clocks. It supports both master and slave modes, providing flexibility in system design.
- **Timers**:
- **General - Purpose Timers**: The microcontrollers are equipped with multiple general - purpose timers, which can be used for tasks such as generating PWM signals, measuring time intervals, and implementing delay functions. These timers offer a high degree of flexibility in terms of counting modes and prescaler settings.
- **Watchdog Timer**: A watchdog timer is included to enhance system reliability. It monitors the operation of the microcontroller and can reset the system if it detects a software malfunction or a hang condition.
- **Analog - to - Digital Converter (ADC)**:
- The R5F212L4 series features a high - resolution ADC with [X] - bit precision. The ADC can sample multiple analog input channels, allowing for the measurement of various analog signals such as temperature, voltage, and current. It also supports fast conversion speeds, enabling real - time data acquisition.

### 2.4 Power Management
- **Low - Power Modes**: These microcontrollers offer multiple low - power modes, including standby mode, sleep mode, and power - down mode. In standby mode, the microcontroller can quickly wake

Images for reference

32-LQFP

Image Preview

Datasheets

• R8C/2K,2L Group
• PDF 2

Partlist