Xiaomi’s 3.9GHz Flagship Chip Caught in Controversy Over ‘Self-Development’ Claims

Xiaomi's 3.9GHz Flagship Chip Caught in Controversy Over 'Self-Development' Claims

Xiaomi’s latest 3nm flagship chip, the Xuanjie O1, has recently been embroiled in a “self-development” controversy. The Arm official website initially referred to it as a “custom chip,” raising questions among netizens about whether Xiaomi relies on Arm’s existing solutions. Xiaomi quickly refuted this, emphasizing that the chip is entirely self-developed, prompting Arm to revise … Read more

Shanghai Intensifies RISC-V Open Source Ecosystem, Achieving Autonomous Control of the Industrial Chain with the Launch of ‘RISC-V Ecological Block’ in Zhangjiang

Shanghai Intensifies RISC-V Open Source Ecosystem, Achieving Autonomous Control of the Industrial Chain with the Launch of 'RISC-V Ecological Block' in Zhangjiang

This year, domestic large models have attracted global attention due to their low cost and high performance advantages of open source. Meanwhile, RISC-V (Reduced Instruction Set Computing) chips, based on open source architecture, are seizing new development opportunities with the explosion of AI. The industry believes that with the combination of “open source large models … Read more

RISC-V: A Global Wave in the Semiconductor Industry

RISC-V: A Global Wave in the Semiconductor Industry

(Source: csis)The RISC-V architecture is an open international standard that specifies the interface between computer software and hardware. It serves as a shared language, setting parameters for communication and interoperability. The open standard provides a pathway for industry participants to collaborate and develop technological solutions, helping to accelerate innovation and limit the abuse of intellectual … Read more

The World’s First Dual-Core Cortex-M52 MCUDSP: Jihai G32R501 Disrupts the High-End Real-Time Control Chip Market

The World's First Dual-Core Cortex-M52 MCUDSP: Jihai G32R501 Disrupts the High-End Real-Time Control Chip Market

Click the blue text to follow us In the field of chip design, Zhuhai Jihai Semiconductor, which has been in operation for less than five years, has become a rising force in the industry. This technology company under the Nasda Group recently launched the G32R501 series of embedded control chips, enabling industrial robots to perform … Read more

Xiaomi’s Self-Developed SoC ‘Xuanjie O1’ Specifications Remain a Mystery, Successfully Taped Out 3nm Chip Last Year

Xiaomi's Self-Developed SoC 'Xuanjie O1' Specifications Remain a Mystery, Successfully Taped Out 3nm Chip Last Year

Recently, it was officially announced that Xiaomi’s self-developed mobile SoC chip has been named “Xuanjie O1” and will be released in late May. This sudden emergence of a self-developed chip has surprised many, and Lei Jun specifically emphasized that this chip is designed and developed independently by Xiaomi. Xiaomi has done an excellent job of … Read more

Top Ten Leading Stocks in Wafer Fabrication

Top Ten Leading Stocks in Wafer Fabrication

(Friends who are not interested in the technical background can skip directly to the practical content below) 1. Definition and Significance of Wafer Fabrication Wafer fabrication is the core process of semiconductor manufacturing, referring to the submission of chip design layout data to a wafer foundry for trial production. Through processes such as photolithography, etching, … Read more

Insights into the Development of China’s Semiconductor IP Industry

Insights into the Development of China's Semiconductor IP Industry

On December 12, the Shanghai headquarters of the China Economic Information Agency officially released the “Insights into the Development of China’s Semiconductor IP Industry” at the 2025 Semiconductor IP Industry Seminar. The report indicates that the global semiconductor IP industry has entered a rapid development phase. Although the localization exploration of China’s semiconductor IP started … Read more

NPU-AI PC: The “Heart of Computing Power”

NPU-AI PC: The "Heart of Computing Power"

1. Core Logic Overview Industry Trend: AI PCs are currently in a rapid penetration phase (currently <5%), with NPU computing power upgrading to 40TOPS+ becoming a key driving force, replacing traditional CPU/GPU solutions. Technical Barriers: NPU design capabilities (sparse computing/low-power architecture) and advanced processes (below 7nm) constitute core competitiveness. Market Space: It is expected that … Read more

Undergraduate Students Visit the PMIC Laboratory at the University of Science and Technology of China

Undergraduate Students Visit the PMIC Laboratory at the University of Science and Technology of China

Undergraduate Students Visit the PMIC Laboratory Recently, a group of undergraduate students from the 2023 cohort of the School of Microelectronics at the University of Science and Technology of China visited Professor Cheng Lin’s PMIC laboratory, where they were introduced to the basic situation of the laboratory. Visit to the PMIC Laboratory To further help … Read more

The Chip Code in the Core Boat: When Millennia of Precision Carve into Silicon Civilization

The Chip Code in the Core Boat: When Millennia of Precision Carve into Silicon Civilization

In a middle school eighth-grade Chinese textbook, there is an article about Wang Shuyuan, a craftsman from Jiangnan during the Ming Dynasty, who carved a painting of Su Dongpo’s night tour of Chibi on a jujube pit. The eight carved windows can be opened and closed, with inscriptions on the window frames reading “The mountain … Read more