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Counterclockwise from the southwest corner, the pinout is output enable, ground, crystal 1, output driver, Vdd, crystal 2. I was not expecting the outer seal ring to be OE (it’s ground in almost every device I’ve looked at) but I went back and double checked and I’m reasonably confident I had it correct. The northeast pad certainly looks like an output driver with the large interdigitated set of fingers on it.
。业内人士推荐新收录的资料作为进阶阅读
Трамп высказался о непростом решении по Ирану09:14
第三个动作,也是最重要却最容易被忽略的:「擦拭镜头」。