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Interfacing to an MMC/SD card via SPI (for microcontroller)
IEC 61850 gateway for PLC Systems, configuration via AX MMS
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The C500 microcontroller family usually provides only one on-chip synchronous serialchannel (SSC
在普通PCB 设计中,过孔的寄生电容和寄生电感对PCB 设计的影响较小,对1-4层PCB 设计,一般选用0.36mm/0.61mm/1.02mm(钻孔/ 焊盘/POWER 隔离区)的过孔较好,一些特殊要求的信号线(如电源线、地线、时钟线等)...
BGA下过孔的影响:In this paper, the impact of power/ground via arrays on power plane impedance is studied.