Analysis of the development status of semiconductor MCU chip

Development and status of semiconductor MCU chip The top three chips in the domestic household appliance chip market are MCU, analog chip and power chip, accounting for 20.4%, 19.6% and 10.6% of the market respectively. The world’s high-end household appliance chips have been basically monopolized by Renesas, NXP, STMicroelectronics, Texas Instruments, Infineon and other companies. […]

Read More

The second phase of the big fund is launched by nastar Electronics Co., Ltd

Nastar announced on the evening of December 7 that EPQ microelectronics, a wholly-owned electronics company, plans to introduce strategic investors by way of capital increase and share expansion and nastar’s transfer of EPQ microelectronics equity. The strategic investors introduced by the company are led by the National IC industry investment fund phase II Co., Ltd., […]

Read More

Selection, design and debugging of DCS system

DCS is a distributed control system, which is also called distributed control system in domestic automatic control industry. It is a multi-level computer system composed of process control level and process monitoring level, which is connected by communication network. It integrates computer, communication, CRT and control technologies. Its basic idea is decentralized control, centralized operation, […]

Read More

Ax25 risc-v CPU core adopted by SK Telecom

Hsinchu, Taiwan – February 2, 2021 – crystal core announced its 64 bit Andes core ™ Ax25risc-v processor was adopted by sktelecom (hereinafter referred to as SKT), a leading information and communication technology company in South Korea, and will be used to develop artificial intelligence products. Crystal core technology is the leading supplier of risc-vcpu […]

Read More

Intel CPU ushers in new technology and increases speed by 8 times

USB-A game player often uses Tucao to make complaints about the plug and play, but it has to be said that USB interface is almost the most important interface in 20 years. It is really convenient. Especially after the USB-C interface came out, the slot of USB interface is almost gone. Is there anything better […]

Read More

Can opencpu structure solve MCU dilemma?

Due to the impact of covid-19 virus on the global economy, the global MCU market has suffered a huge impact, the imbalance between supply and demand, and the delivery date of MCU products has been seriously delayed. The normal delivery time of MCU is about 8 weeks, but recently, the delivery time of international MCU […]

Read More

Configuration of TCP communication between Siemens s7-1500 CPU

The Ethernet communication between Siemens s7-1500 and s7-1500 can be realized by TCP or isoontcp protocol. The communication instruction used is to call T-block (tsend) on both CPUs_ C,TRCV_ C. TCON, tdiscon, Tsen, trcv) instructions. The communication mode is bilateral communication, so tsend and trcv must appear in pairs. 1、 Configuration preparation of TCP communication […]

Read More

Siemens 400cpu cannot be started after power failure

In the 400H system, the two backup batteries on the CPU are out of power and give an alarm. After the external power supply is suddenly cut off, a pair of CPU and CP are all powered down and stop running. After the power failure, the CPU restarts, the run light flashes a few times, […]

Read More