Category Archives: Uncategorized

At present, high-definition network video surveillance has already entered the real high-definition period. At present, there are many brands in the market, and there are also a variety of high-definition chip schemes. How to actually choose them makes customers confused. In the same industry, it is often discussed which product is better at this stage […]

Basic uses of copper clad laminate Copper clad laminate (CCL) is a kind of board made of wood pulp paper or glass fiber cloth as reinforcing material, soaked in resin, covered with copper foil on one side or both sides, and hot pressed. Copper clad laminate (CCL) is the basic material of electronic industry. It […]

There are several treatment processes for the surface of LED circuit board: smooth board (without any treatment on the surface), rosin board, OSP (organic solder protective agent, slightly better than rosin), tin spraying (lead-tin and lead-free tin), gold-plated board, gold-deposited board, etc. These are more noticeable. Difference between gold deposition process and gold plating process […]

Loongson Zhongke released ——2K1000, the smallest industrial system solution produced in China, which is suitable for application scenarios such as Internet of Things and independent controllable industrial security system. In this scheme, the domestic Godson 2K1000 processor is adopted, the surface-mounted DDR3 2GB domestic memory is used, the maximum surface-mounted 2GB NAND FLASH is stored, […]

The introduction of Loongson 3A2000 processor, which is “Loongson 3A3000/3B3000 is the latest upgraded product of Loongson 3 series processors. Based on the design of Loongson 3A2000, Loongson 3A3000 has made a few structural improvements, such as increasing the number of key queue entries of processor cores, expanding on-chip private/shared cache capacity, etc., which is […]

There are two kinds of SRAM in Loongson chip: one is CPUSRAM； which is closely related to microprocessor (data, code memory); The other is HDCSRAM used for hard disk control, which can’t be read directly by microcontroller, and is a dual-port SRAM. Both of them choose different testing strategies. Test strategy of CPUSRAM Like the […]

The chips designed by HiSilicon cover a wide range, including wifi networks, fixed networks, digital media and other fields, but the most concerned and highly concerned ones are processor chips, including mobile phone processor SoC, server chips and its AI chips. On the technical level and threshold, the mobile phone with processor is obviously the […]

Loongson 2H core board is an electronic device computer motherboard that packs the core functions of MINIPC. Most of the core boards are integrated with CPU, storage devices and pins, which are connected with the base plate of supporting facilities according to the pins to complete a system chip in a certain field. People often […]

Hai Hi2115NB-IOT chip: Hi2115 is a system-on-a-chip (SoC) that works at cellular frequency. It uses an on-chip application processor with integrated memory to support small-footprint IoT applications, and can also communicate with external MCU through various digital interfaces. Hi2115 can work in the frequency range of 698~960MHz and 1695~2180MHz, and the system bandwidth is 200kHz. […]

The domestic operating system UOS was officially released not long ago, while the domestic new generation processor was officially released in December 2019. Recently, the official document introduced its product features and new features. As one of the representatives of “China Core”, Loongson released a new generation of general-purpose processors (CPUs) independently developed, which greatly […]