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Core motherboard PCB surface mount assembly

Product Details

Core motherboard PCB surface mount assembly

Number of SMT lines: 7high-speed SMT patch supporting production lines

SMT daily production capacity: more than 15 million points

Testing Equipment: X-RAY Tester, First Piece Tester, AOI Automatic Optical Tester, ICT Tester, BGA Rework Station

Placement speed: CHIP component placement speed (at best conditions) 0.036 S/piece

The smallest package that can be attached: 0201, the accuracy can reach ±0.04mm

Minimum device accuracy: PLCC, QFP, BGA, CSP and other devices can be mounted, with a pin pitch of ±0.04mm

IC type patch accuracy: It has a high level for mounting ultra-thin PCB boards, flexible PCB boards, gold fingers, etc. It can be mounted/inserted/mixed with TFT display driver boards, mobile phone

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The core board is an electronic motherboard that packages and encapsulates the core functions of the MINI PC. Most of the core boards integrate CPU, storage devices and pins, which are connected with the supporting baseboard through the pins to realize a system chip in a certain field. People often refer to such a system as a single-chip microcomputer, or an embedded development platform. Because the core board integrates the common functions of the core, it has the versatility that one core board can customize various bottom boards, which greatly improves the development efficiency of the single-chip microcomputer. Because the core board is separated as an independent module, it also reduces the difficulty of development and increases the stability and maintainability of the system. Core motherboard PCBA control board is one of the very important cores of electronic products.



The CPU is the most important part of the core board and consists of a computing unit and a controller. If a computer is compared to a person, then the CPU is his heart, and its important role can be seen from this. No matter what kind of CPU, its internal structure can be divided into three parts: control unit, logic unit and storage unit. These three parts cooperate with each other to analyze, judge, calculate and control the coordination of various parts of the computer.


The memory is a component used to store programs and data. For a computer, only with memory can it have a memory function and ensure normal operation. There are many types of memory, which can be divided into main memory and auxiliary memory according to their use. The main memory is also called internal memory (referred to as memory), and the auxiliary memory is also called external memory (abbreviated as external memory). External storage is usually magnetic media or optical discs, such as hard disks, floppy disks, tapes, CDs, etc., which can store information for a long time and do not rely on electricity to store information, but driven by mechanical components, the speed is much slower than that of the CPU. Memory refers to the storage component on the motherboard, which is the component that the CPU directly communicates with and uses to store data, and stores the data and programs currently in use (that is, in execution). Its physical essence is one or more groups with An integrated circuit with data input and output and data storage functions. The memory is only used to temporarily store programs and data. Once the power is turned off or a power failure occurs, the programs and data in it will be lost.

Platform type

The core board is divided by platform type, mainly by CPU chip type. The popular mainstream platforms are ARM, Samsung, and INTEL. And KFEMS Technology Co., Ltd. can support PCBA assembly produce core motherboard PCBA control boards with excellent performance.

     ARM platform

     The three major characteristics of the ARM processor are: low power consumption, strong function, 16-bit/32-bit dual instruction set and many partners. Small size, low power consumption, low cost, high performance; support Thumb (16-bit)/ARM (32-bit) dual instruction set, and can be well compatible with 8-bit/16-bit devices; a large number of registers are used, and the instruction execution speed is faster ;Most data operations are completed in registers; the addressing mode is flexible and simple, and the execution efficiency is high; the instruction length is fixed. See Mattel’s Armboard series products have played these advantages of the ARM platform very well.

     Samsung platform

The representative chip on the Samsung platform is S5PV210, also known as “Hummingbird”, which is an application processor for smartphones and tablet computers and other multimedia devices launched by Samsung. S5PV210 uses ARM CortexTM-A8 core, ARM V7 instruction set, main frequency Up to 1GHZ, 64/32-bit internal bus structure, 32/32KB data/instruction level-1 cache, 512KB level-2 cache, can achieve 2000DMIPS (200 million instruction sets per second) high-performance computing capability.

      INTEL platform

      The INTEL platform refers to the X86 architecture platform, and the x86 architecture is CISC (Complex Instruction Set Computer, Complex Instruction Set Computer) with variable instruction length. The memory access of word (word, 4 bytes) length allows non-aligned memory addresses, and the word is stored in the memory in the order of low-order byte first. Forward compatibility has always been a driving force behind the development of the x86 architecture (design needs dictated this factor and often led to criticism, especially from rival processor advocates and theorists, for a widely considered bewildered by the continued success of backward-designed architectures). However, in newer microarchitectures, x86 processors convert x86 instructions into more RISC-like microinstructions before executing them, thereby obtaining superscalar performance comparable to RISC, while still maintaining forward compatibility.

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