5G SoC

The Rise of China’s Chip Power: Breakthroughs in Domestic SoC Chips

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The Rise of China's Chip Power: Breakthroughs in Domestic SoC Chips

Cutting-edge Technology Chip Semiconductors With the continuous innovation and application of emerging technologies, SoC (System on Chip), as a chip system that integrates multiple functions, is demonstrating strong potential and competitiveness. Domestic SoCs, as important achievements of China’s technological self-innovation, are not only continuously breaking through in hardware performance but also achieving significant progress in … Read more

Latest Smartphone SoC Processor Rankings for April 2025: Comprehensive Performance Ladder for CPU and GPU

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Latest Smartphone SoC Processor Rankings for April 2025: Comprehensive Performance Ladder for CPU and GPU

Updated smartphone SoC processor rankings as of April 22, 2025, with a reasonable distribution of CPU and GPU performance scores, combined with the latest version of the system, and appropriate adjustments made to some smartphone SoC rankings, continuously optimizing the performance ladder. The April update features the Snapdragon 8s Gen4, manufactured using TSMC’s second-generation 4nm … Read more

SoC Sector Q1 Performance Surges: Can High Growth Continue? In-Depth Analysis of Yearly Layout Logic

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SoC Sector Q1 Performance Surges: Can High Growth Continue? In-Depth Analysis of Yearly Layout Logic

As 2025 begins, the most remarkable segment in the semiconductor industry is undoubtedly the SoC track. A performance report from Rockchip has ignited market enthusiasm: Q1 net profit reached 200-225 million yuan, a year-on-year increase of 196%-233%. The non-recurring net profit is even closer to 100% of the main contribution, completely dispelling market doubts about … Read more

SoC Security Design and Modeling

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SoC Security Design and Modeling

[Image]SoC Security Design and Modeling⊙Integrated Circuits ⊙Security ⊙Modeling Protecting System Security[Image]In modern computing systems, the hardware and software stack coordinate with each other to achieve system functionality. Previous research has primarily focused on the security issues of the hardware itself, without addressing another important aspect of hardware security, which is providing the infrastructure for secure … Read more

Debugging SOCs Should Not Rely Solely on Serial Ports

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Debugging SOCs Should Not Rely Solely on Serial Ports

Using serial ports to print debugging information is a common debugging method, known for its simplicity and ease of use, but it also has significant limitations:– It does not support advanced features such as breakpoints, single-step tracing, and memory read/write.– Excessive printed debugging information can impact performance, while too little information may be insufficient to … Read more

SoC vs. Modules: Understanding the Technical Trade-offs in IoT Applications

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SoC vs. Modules: Understanding the Technical Trade-offs in IoT Applications

The Internet of Things (IoT) continues to transform various industries, making design decisions around wireless connectivity components increasingly complex. Engineers often face a dilemma when selecting components for their IoT applications, having to choose between IC and wireless modules. Both options have unique advantages and trade-offs that impact design complexity, cost, scalability, and time to … Read more

Open Source Harmony Advances Further: Alibaba Tsinghua Unigroup’s RISC-V Chip Successfully Adapted

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Open Source Harmony Advances Further: Alibaba Tsinghua Unigroup's RISC-V Chip Successfully Adapted

According to Lian Zhian, head of the OpenHarmony Loongson architecture team, Alibaba’s Tsinghua Unigroup RISC-V chip has been successfully adapted to the open-source Harmony OpenHarmony. Lian Zhian recently released a demonstration video showing a development board equipped with the Tsinghua Unigroup Yiying 1520 running the OpenHarmony 3.2 Release version, which is capable of normal touch … Read more

Writing a Book on Linux Kernel Principles is No Easy Task

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Writing a Book on Linux Kernel Principles is No Easy Task

Hello everyone, I am Bug Jun~ In most people’s impression, writing a technical book is just about organizing what you know. However, when the subject is the Linux kernel, it becomes like performing ballet on a tightrope — one of the most complex open-source software in the world, a giant system composed of 28 million … Read more

Semiconductor Listed Companies | Integrated Circuit/Design Companies: Zhuhai Allwinner Technology Co., Ltd. (300458)

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Semiconductor Listed Companies | Integrated Circuit/Design Companies: Zhuhai Allwinner Technology Co., Ltd. (300458)

1. Overview/Basic Information Allwinner Technology (全志科技) was established in 2007. It is an outstanding designer of intelligent application processorsSoC, high-performance analog devices, and wireless interconnect chips. The company is headquartered in Zhuhai, China, with R&D centers or branches in Shenzhen, Hong Kong, Xi’an, Beijing, and Shanghai. In 2015, it was listed on the Shenzhen Stock … Read more

JTAG Debugging – TAP Controller

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JTAG Debugging - TAP Controller

Implementing the TAP controller within the SoC, interfacing with the JTAG chip in the JTAG hardware box to receive and process JTAG sequences. Its main structure is as follows:As can be seen, there is a state machine, an Instruction Register (IR), several Data Registers (DR), a Bypass Register, etc.The state machine is controlled by TMS, … Read more