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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

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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

Detailed Requirements for High-Speed Signal PCB Routing: eMMC/USB/MIPI/LVDS/RGMII

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Detailed Requirements for High-Speed Signal PCB Routing: eMMC/USB/MIPI/LVDS/RGMII

01 eMMC Signal Impedance and Routing It is recommended to use ground wrapping for CLK and STRB signals, with a ground via every ≤500 mil. During overall layout,eMMC should be placed as close to the SOC as possible to minimize routing length. The reference layer for all eMMC signals must be a complete ground plane … Read more

Precautions for Connecting Mitsubishi Electric Programmable Controllers or GOT to a Computer via RS-232/USB Interface

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Precautions for Connecting Mitsubishi Electric Programmable Controllers or GOT to a Computer via RS-232/USB Interface

Related Models MELSEC MX Controllers, MELSEC Programmable Controllers, GOT-A900/GOT1000/GOT2000 Series 1 Operating Precautions When connecting a module with RS-232/USB interface*1 to a computer, please follow the operating instructions of the computer while adhering to the precautions below. *1 For specific target models, please refer to the content below. 2 Target Models 1.1 When Using the … Read more

Why Choose MIPI Cameras Over USB Cameras?

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Why Choose MIPI Cameras Over USB Cameras?

We must first understand the basic differences and application scenarios of these two protocols. MIPI is typically used for internal communication between components in mobile devices, such as cameras and displays, while USB is more for connecting external devices like USB drives and peripherals. 1. MIPI interface cameras support high resolutions and high frame rates, … Read more

MCU Network Communication: Is One USB Cable Enough?

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MCU Network Communication: Is One USB Cable Enough?

1. Introduction The previous article “Unlocking the Potential of LwIP: Easily Implementing Multi-NIC for MCU” mainly introduced how to utilize the high-speed USB 2.0 480Mbps interface of the Xianji Semiconductor high-performance MCU as a USB Host to connect USB 4G modules or USB network cards, and combined with the Ethernet PHY interface to achieve multi-NIC … Read more

USB & I2S Digital Audio Application Solution Based on Renesas RA8D1 MCU

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USB & I2S Digital Audio Application Solution Based on Renesas RA8D1 MCU

Author: DuHao Today, I would like to introduce the USB & I2S digital audio application solution based on the Renesas RA8D1 MCU developed by Shanghai Juexin Intelligent Technology Co., Ltd. The RA8D1 MCU series is the industry’s first 32-bit graphics microcontroller (MCU) based on the Arm®Cortex®-M85 (CM85) core, achieving groundbreaking performance with over 3000 CoreMark … Read more