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Why Do Cameras Use MIPI Interfaces Instead of Convenient USB? A Detailed Explanation of the Differences Between MIPI and USB Interfaces

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Why Do Cameras Use MIPI Interfaces Instead of Convenient USB? A Detailed Explanation of the Differences Between MIPI and USB Interfaces

The USB interface, with its plug-and-play versatility and strong compatibility, has almost become the connection bridge for all electronic devices, from keyboards and mice to external hard drives and webcams. However, almost all high-resolution cameras use the MIPI interface instead of the convenient USB. Wouldn’t it be easier to connect all peripherals through a HUB … Read more

Comprehensive Analysis of High-Speed Interfaces in STM32 Microcontrollers

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Comprehensive Analysis of High-Speed Interfaces in STM32 Microcontrollers

As a “jack of all trades” in the embedded field, the configuration of high-speed interfaces in STM32 directly determines the data throughput capability of devices. From USB 3.0 to Gigabit Ethernet, what high-speed communication features are hidden in different series and models? This article gets to the core, listing key interfaces and technical parameters. USB … Read more

Introduction to Embedded USB Development: Essential Knowledge You Must Know

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Introduction to Embedded USB Development: Essential Knowledge You Must Know

USB, short for <span>Universal Serial Bus</span>, has long been an indispensable technology in our daily lives. From connecting keyboards and mice to PCs to enabling communication between embedded devices and hosts, USB has revolutionized peripheral connectivity with its simplicity and robust compatibility. The Birth of USB Let’s take a look at the PC usage scenario … Read more

FPGA Hardware Design (Part 7) – USB to JTAG Circuit

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FPGA Hardware Design (Part 7) - USB to JTAG Circuit

Introduction: JTAG stands for Joint Test Action Group, which is commonly referred to in the IEEE standard 1149.1 as the Standard Test Access Port and Boundary Scan Architecture. Its functionality is powerful, but for engineers engaged in embedded development, the most frequently used feature is programming chips, which typically requires a dedicated emulator. This article … Read more

Overview: Common PCB Hardware Interface Design Requirements!

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Overview: Common PCB Hardware Interface Design Requirements!

When designing PCBs, the design requirements for common hardware interfaces are crucial for ensuring circuit performance and stability. Below are some common hardware interface PCB design requirements: 1. USB Interface Design Requirements ① Total length control: Keep it within 1800 mils as much as possible. ② Differential pair characteristic impedance: 90Ω. ③ Power pin trace … Read more

Core Board Support for Connecting USB 2.0 and 3.0 Devices Based on MTK MediaTek/Unisoc Platforms and Their Transfer Rates

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Core Board Support for Connecting USB 2.0 and 3.0 Devices Based on MTK MediaTek/Unisoc Platforms and Their Transfer Rates

MTK MediaTek Platform 4G Android Core Board: XY6739CW (Based on MT6739):SupportsUSB 2.0High-Speed Mode; Supports USB OTG XY8766(Based on MT8766):SupportsUSB 2.0High-Speed Mode; Supports USB OTG XY6762(Based on MT6762/Helio P22):SupportsUSB 2.0High-Speed Mode; Supports USB OTG XY8768(Based on MT8768):SupportsUSB 2.0High-Speed Mode; Supports USB OTG XY6765CA(Based on MT6765/Helio P35):SupportsUSB 2.0High-Speed Mode; Supports USB OTG XY6771CZ(Based on MT6765/Helio P60):SupportsUSB 2.0High-Speed … Read more

Learning STM32 USB

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Learning STM32 USB

•Official Documentation These two official documents provide a detailed description of the protocol and hardware features, along with some code explanations. “USB Training_Part1_Protocol.pdf”, “USB CDC Class Introduction Training.pdf” Reference website:https://www.usbzh.com/ •Library ExamplesUser-related files usbd_desc.c: This file provides the USBD descriptors and string formatting method. usbd_conf.c: This file implements the USB Device library callbacks and MSP. … Read more

Essential Knowledge for Embedded Development! In-Depth Analysis and Practical Guide to 10 Core Interface Protocols

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Essential Knowledge for Embedded Development! In-Depth Analysis and Practical Guide to 10 Core Interface Protocols

Table of Contents Introduction: Interface Protocols – The “Digital Language” of Embedded Systems 1. Low-Speed Communication Interfaces: Efficient Solutions for Simple Scenarios 2. High-Speed Communication Interfaces: The Backbone of Large Data Transmission 3. Specialized Domain Interfaces: “Specialists” for Specific Scenarios 4. Practical Applications and Selection Guide for Interface Protocols 5. Interactive Poll: Which Embedded Interface … Read more

FT4232HL-REEL Chip: The Multi-Protocol Translator in the Hardware World

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FT4232HL-REEL Chip: The Multi-Protocol Translator in the Hardware World

FT4232HL-REEL Chip: The Multi-Protocol Translator in the Hardware World When Engineers Need Devices to “Speak” USB Language In industrial workshops, PLC controllers and computers are separated by high walls of communication protocols; the massive data collected by medical devices is stuck at transmission bottlenecks; even the smart home remote control in your hand may hide … Read more

Relationship Between USB Transfer Rates and RS-232/RS-485 Serial Protocol Rates

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Relationship Between USB Transfer Rates and RS-232/RS-485 Serial Protocol Rates

1. Technical Background RS-232: Traditional serial port standard, typical rate 115.2 kbps (maximum about 1 Mbps). RS-485: Industrial serial port standard, typical rate 10 Mbps (theoretical maximum can reach 50 Mbps). USB: There are significant differences between different versions, for example: USB 2.0:480 Mbps USB 3.0:5 Gbps (about 5120 Mbps) USB 4.0:40 Gbps 2. Comparison … Read more