Simulation Input/Output and ADC_DAC Applications in Keil5

# 1. I. Introduction

A. Overview of Keil5 Integrated Development Environment

B. The Importance of Analog Input/Output in Embedded Systems

In this opening chapter, we will introduce an overview of the Keil5 integrated development environment and the importance of analog input/output in embedded systems. Next, let's delve deeper together.

# 2. Analog Input/Output

Analog input/output plays a crucial role in embedded systems. In embedded systems, analog input/output is typically used for sensor acquisition, controlling actuators, and more, playing a vital role in system design. We will further explore the concept and principles of analog input/output, as well as the configuration methods in Keil5, and demonstrate how to implement analog input/output functionality with examples.

# 3. III. Overview of ADC (Analog-to-Digital Converter)

ADC (Analog-to-Digital Converter) is an electronic device that converts analog signals into digital signals. In embedded systems, ADCs play a significant role by transforming analog signals collected from external sensors into digital signals that the CPU can process.

#### A. Basic Working Principle of ADC

The basic working principle of ADC involves three processes: sampling, quantization, and encoding, to convert analog signals into digital signals. First, the ADC samples the analog signal, then it discretizes the continuous analog signal into a series of voltage or digital levels, and finally encodes and outputs the digital signal.

#### B. Usage of ADC in Keil5

In Keil5, analog signal sampling and conversion can be achieved by configuring the ADC registers. First, initialize the ADC by setting parameters such as sampling rate and reference voltage, then start the ADC conversion, and finally read the converted digital values.

#### C. ADC Configuration and Parameter Settings

ADC configuration mainly includes setting parameters such as sampling time, reference voltage, and channel selection. When using ADCs, it is necessary to set reasonable parameters based on specific hardware requirements and signal characteristics to ensure accurate and efficient analog signal conversion.

# 4. IV. Overview of DAC (Digital-to-Analog Converter)

DAC (Digital-to-Analog Co