When designing PCB, we consider wiring the most, that is, how to connect each layer with the network signal line in the most reasonable way. The denser the circuit of high-speed PCB, the greater the density of VIA holes, which can play the role of electrical connection between layers. Multi-layer PCB proofing often receives feedback […]
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PCB design instruction of haisi chip Through the study of HiSilicon, referring to its chip data, combined with the design experience of HiSilicon-related products, and based on our general PCB design instruction, our company organized senior design engineers to specially sort out the PCB design of HiSilicon-related products and conduct centralized review. Recently, our company’s […]
HI3516AV200, as a new industry-specific SOC designed for high-definition IP cameras, integrates a new generation of ISPs, and uses the latest H.265 video compression encoder and the latest H.265 video compression encoder in the industry. Advanced low-power technology and architectural design. These features enable Hi3516AV200 to continue to maintain its leading position in terms of […]
Loongson 2 series chips integrate 64 bit processor core, which can be used in high-end embedded and general desktop fields. It can meet the performance requirements and balance power consumption, price and application.Currently, Godson 2 products include Godson 2F, Godson 2H and Godson 2k1000. Godson 2F is the first product of Godson processor, which integrates […]
HI3521D HiSilicon original development board introduces processor core ARMCortexA7 dual-core @Max.1.3GHz32KBL1I-Cache, 32KBL1D-Cache256KBL2Cache supports NEON/FPU multi-protocol video codec H.265MainProfile,Level5.0 encoding H.265MainProfile, The Level5.0 decoding H.264beline/main/highprofilelevel 5.1 encoding H.264beline/main/highprofilelevel 5.1 decoding MPEG-4SP, L0~L3/ASPL0~L5 Decoding MJPEG/JPEGBaseline Coded Video Codec Processing H.265/H.264&JPEG Multi-stream Codec Performance: H.265/H.264 Coding H.265/H.264 Decoding JPEG Coding H.265/H.264 H.264 decoding JPEG encoding H.265/H.264 encoding H.265/H.264 […]
Hai si series hi3521A hardware design user manual, Hi3521A chip data reference 1.SchematicDiagramDesign 1.1ExternalCircuitsfortheSmallsystem 1.1.1ClockingCircuit By combining the internal feedback circuit of Hi3521A with the external crystal oscillator circuit of 24mhz, the system clock circuit can be generated. Hi3521A integrates a real-time clock (RTC). A clock circuit must be provided for the RTC on the […]
When designing PCB pads in PCB design, it is necessary to design them in strict accordance with relevant requirements and standards. Because the design of PCB pads is very important in SMT chip processing, which will directly affect the solderability, stability and heat transfer of components and the quality of chip processing, what is the […]
1) in 1)PCB design, the small power supply is firstly paved with copper on the signal layer, and then connected by the current-carrying wiring; 2) PCB design 12V and 5V power supply, if it is the input power supply of switching power supply, should be disposed of in the signal layer (surface layer and inner […]
The lamination arrangement of PCB factory is the basis of PCB design of the whole system. If the laminate design is defective, it will eventually affect the EMC performance of the whole machine. Generally speaking, there are two main rules for laminated design: 1. Each wiring layer must have an adjacent reference layer (power supply […]
The circuit board dispensing machine is used for dispensing the circuit board, which is mainly used for waterproofing, dustproof and anticorrosion. Nowadays, many enterprises have put forward higher requirements for the usability and stability of electronic products, and dispensing processing of circuit boards has become an indispensable process. Long-term and effective protection of some sensitive […]










