1. Performance Indicators of Processors There are many performance indicators used to evaluate CPU performance. The values obtained from testing standards may differ under different performance focus. Below are two classic testing standards widely used in the embedded industry. 1.1 Dhrystone Standard Dhrystone is a benchmark program proposed by Reinhold P. Weicker in 1984, primarily … Read more
Allwinner Technology “T527” Chip Related Reading 《Allwinner Technology T527 Series Chip, AI Empowering Industry Intelligence 《Allwinner Technology T527 Wins “Best SoC of the Year” Honor》 《Allwinner Technology T527 High-Performance Octa-Core Heterogeneous AI Chip Wins Processor of the Year Award》
The Allwinner R16 SoC is a solution launched by Zhuhai Allwinner Technology for smart hardware products such as smart speakers, smart photo frames, and smart robots. The R16 adopts a cost-effective quad-core ARM Cortex-A7 architecture processor, which has powerful computing performance and a rich set of interfaces. It supports the Linux-based open-source system Tina™ (Tina™ … Read more
Quality Killers in PCB Manufacturing – Photoresist Semi-Polymer In the PCB manufacturing process, many tasks require the use of “photoresist materials,” including inner layer wet film, inner layer dry film, outer layer dry film, and green solder mask. It is a chemical material that, after exposure to light, produces different solubility in the developing solution … Read more
RK Processors Rockchip, abbreviated as RK, is a SOC design company headquartered in Fuzhou, Fujian. RK has designed a series of SOCs based on the Arm Cortex-A core, shining like stars in the industry and among geeks both domestically and internationally, with a popularity that exceeds many people’s imagination. By logging into the Rockchip official … Read more
Implementing Dual Screen Display Functionality on Rockchip Platform (Based on Android 13) 1. Display Implementation Solutions The Rockchip SDK platform supports two different display solutions: Android Presentation and Android Activity screen specification. Using the Android Presentation solution, it is necessary to call the corresponding interface in APP development to display the specified view (the Presentation … Read more
Pre-installation of Android Applications on Rockchip Platform (Based on Android 13) 1. Types of Pre-installed Applications The pre-installation feature of applications on Android mainly refers to the configuration of products, where pre-prepared third-party applications are embedded into the Android system according to the manufacturer’s requirements. Pre-installation can be divided into the following types: 1. Install … Read more
Introduction This article introduces the method of pre-installing APKs on the Rockchip Android platform based on the RK PX30 Android 8.1 platform. It is suitable for our IDO-EVB3020 development board, which is based on the RK PX30 quad-core development board with a clock speed of up to 1.5 GHz, using the Mali-G31 MP2 GPU, supporting … Read more
As the traditional consumer electronics market cools and the Apple Watch and Android Wear heat up in the smartwatch market, smartwatches are poised to take advantage of the next wave. At this year’s CES, smartwatches became one of the true stars of the show. 【A Boom in Smartwatches, Showcasing Creativity】 Reports indicate that global smartwatch … Read more
Downloading and Compiling Rockchip RK3588 Source Code (Based on Android 13) Source Code Download Download Link repo init –repo-url https://gerrit.rock-chips.com:8443/repo-release/tools/repo -u https://gerrit.rock-chips.com:8443/Android_T/manifests.git -m Android13.xml Server Mirror Download repo init –repo-url https://gerrit.rock-chips.com:8443/repo-release/tools/repo -u https://gerrit.rock-chips.com:8443/Android_T/manifests.git -m Android13.xml -mirror You need to apply for SDK usage permission from RK. Since AOSP uses repo to manage source code repositories, … Read more