Year: 2025

In-Depth Comparison of Three Mainstream Quad-Core Cortex-A53 Processors: TI AM6254, i.MX8M Mini, and RK3562J

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In-Depth Comparison of Three Mainstream Quad-Core Cortex-A53 Processors: TI AM6254, i.MX8M Mini, and RK3562J

Click to follow Beryllium Technology Beryllium Technology’s ARMxy series ARM industrial computers cover these commonly used Cortex A53 processor models, where the BL350 uses the TI AM6254, the BL360 series uses the i.MX8M Mini processor, and the BL370 uses the RK3562J processor. Below is a detailed comparison of the three classic quad-core Cortex-A53 processors: TI … Read more

Holtek Launches Cost-Effective HT32F49041 USB OTG Arm® Cortex® -M4 32-bit Microcontroller

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Holtek Launches Cost-Effective HT32F49041 USB OTG Arm® Cortex® -M4 32-bit Microcontroller

Holtek has launched a new Arm® Cortex®-M4 32-bit USB OTG microcontroller HT32F49041, designed for high-performance computing and USB application scenarios. It features an efficient Cortex®-M4 core, providing a single-precision floating-point unit (FPU) that supports all Arm® single-precision data processing instructions and data types. This core implements a complete set of DSP instructions and a memory … Read more

Discussing the ‘Modular Revolution’ in Smartphone Imaging and Industry Insights from Xiaomi’s External Camera

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Discussing the 'Modular Revolution' in Smartphone Imaging and Industry Insights from Xiaomi's External Camera

On March 2, 2025, Xiaomi founder Lei Jun showcased the magnetic external camera for the Xiaomi 15 series during a live broadcast. This seemingly simple accessory quickly became a hot topic in the tech community due to its M43 sensor, F1.4 aperture, and 35mm fixed focal length lens hardware configuration, as well as its magnetic … Read more

Complete Guide to Using the OV5647 Camera Module with Raspberry Pi 3B+ via CSI Interface

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Complete Guide to Using the OV5647 Camera Module with Raspberry Pi 3B+ via CSI Interface

Introduction The Raspberry Pi, as a classic microcomputer, is a star product in the Internet of Things and embedded development due to its powerful GPIO and rich expansion interfaces. Among various peripherals, the OV5647 camera module, with its 5-megapixel resolution and support for 1080P video recording, has become a popular choice for Raspberry Pi vision … Read more

Weir Shares: Core Module CIS Chip Provider for Cameras

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Weir Shares: Core Module CIS Chip Provider for Cameras

1. What is the core product CIS of Weir Shares? CIS, short for Cmos Image Sensor, is the core component of camera modules, accounting for 30-50% of the total cost of the camera module. Its role in the camera module is to convert optical signals into electrical signals, transforming photons into electrons. As a core … Read more

Camera Module ISP Processing Workflow

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Camera Module ISP Processing Workflow

The ISP (Image Signal Processor) processing workflow of the camera module is a systematic optimization process for the raw signals output by the image sensor, mainly divided into the following key steps and corresponding functional modules: 1 Energy Perception Raw Signal Input and Preprocessing ‌Sensor Signal Capture‌CMOS/CCD sensors convert light signals into analog electrical signals … Read more

How Does the Raspberry Pi 5 Compare to Previous Models? Real-World Test Data Speaks!

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How Does the Raspberry Pi 5 Compare to Previous Models? Real-World Test Data Speaks!

Author: DigiKey Editor Keywords: Development Board, Open Source Hardware, Evaluation Abstract This article is a comparative evaluation of the Raspberry Pi 5 and its predecessors. It details the key hardware specifications of four Raspberry Pi models and compares their performance in CPU, memory, network, NGINX server performance, and TF card read/write speeds through practical testing, … Read more

Peripheral Driver Implementation for ARM Cortex-M4 Using HAL Library

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Peripheral Driver Implementation for ARM Cortex-M4 Using HAL Library

1. Memory Mapping In the memory mapping diagram of the STM32F429 chip, it can be seen that the peripherals are allocated 512M of space; however, the actual peripherals do not utilize the entire 512M of memory. When operating peripherals, it is sufficient to manipulate their corresponding memory addresses. For more detailed peripheral memory addresses, refer … Read more