These animated diagrams displaying signal waveforms in electronic systems help us understand the mechanisms of transmission. 1 SPI Transmission ▲ Figure 1 SPI Data Transmission ▲ Figure 1.2 SPI Data Transmission (2) ▲ Figure 1.3 SPI Timing Signal 2 I²C Transmission ▲ Figure 1.2.1 I2C Bus and Addressing Method 3 UART Transmission ▲ Figure 1.3.1 … Read more
I have seen these very cheap logic analyzers for sale for a long time,17 yuan, and it comes with a USB cable and Dupont wires. I was curious about how they managed to do this, so I bought a set to disassemble. There are10 pin headers, with a total of8 channels, plus one CLK and … Read more
In the complex world of electronic circuits, various circuit module devices need to communicate with each other to work together. The I2C interface acts as a communication bridge between these circuit module devices. Today, let’s delve into it. 1. Starting with a Physical Example The image below shows an I2C module I created. On this … Read more
✦ ✦ ✦ ✦ PMIC DIO8018 Jiangsu Dioo Microelectronics has recently launched the PMIC DIO8018, which integrates 7 channels of high-performance LDOs, specifically designed to provide power supply solutions for applications with multiple cameras, such as smartphones, tablets, and XR devices. In a camera module, the CMOS image sensor typically requires three power supplies (Core, … Read more
Buses, buses, they always get you tangled up. In this world, signals may be the same, but there are thousands of buses, which can be quite a headache. In general, there are three types of buses: internal buses, system buses, and external buses. Internal buses are used for interconnections between peripheral chips and processors within … Read more
Unveiling I2C Pull-Up Resistor Value Techniques: 5 Key Design Points and Practical Cases Introduction: Why Must I2C Be Equipped with Pull-Up Resistors? In the communication between the main control chip and other modules (such as cameras, sensors, etc.) in embedded systems, the I2C bus is widely used due to its simplicity, reliability, and low cost. … Read more
For more exciting content, please click the blue text above to follow me! ————————————— Research Journey With a firm understanding of cutting-edge technology, I reminisce about my deep research during my spare time. I often write articles on my computer, ensuring to publish one every day. As the months pass, my passion grows stronger, and … Read more
I2C Bus (Inter-Integrated Circuit）is a two-wire serial bus developed by PHILIPS for connecting microcontrollers and their peripherals. It is a widely adopted bus standard in the field of microelectronics control. It is a special form of synchronous communication, characterized by fewer interfaces, simple control methods, fewer device packaging forms, and high communication rates. The I2C … Read more
I2C (Inter-Integrated Circuit) is a serial communication protocol used for short-distance communication, typically for data transmission between microcontrollers and various peripheral devices (such as sensors, displays, memory, etc.). Characteristics of the I2C Protocol The I2C protocol has several notable features: Two-wire Communication: The I2C protocol uses only two signal lines: SDA (data line) and SCL … Read more
The I2C bus is one of the most commonly used communication protocols in embedded systems, serving as a “dedicated highway” between microcontrollers and various sensors and memory devices. Today, let’s discuss how this protocol works and how to use it to read data from temperature and humidity sensors. I2C Protocol Basics The I2C protocol uses … Read more