Scanning card
A scanning card and pin technology, applied in the field of scanning cards, can solve problems such as inconvenience of multi-core cables, reduced reliability, abnormal display, etc., and achieve the effect of solving electromagnetic compatibility problems, facilitating production and testing, and convenient installation process.
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[0028] In order to make the above objects, features and advantages of the present invention more comprehensible, specific implementations of the present invention will be described in detail below in conjunction with the accompanying drawings.
[0029] See figure 2 A scanning card 20 proposed by the present invention includes: a circuit board 21 and a golden finger interface 210 arranged on the circuit board 21, a PHY chip (that is, a physical layer transceiver chip) 211, a programmable device 213, and a dynamic random access memory 215 , single-chip microcomputer 217 and flash memory 219.
[0030] The golden finger interface 210 is located on one side of the circuit board 21 and includes a plurality of pins distributed on two opposite surfaces of the side. In this embodiment, the gold finger interface 210 has 204 pins, so 102 pins are respectively provided on two opposite surfaces of the side of the circuit board 21 . In addition, in a preferred embodiment, the length of t...
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