The second level sits roughly flush with the top of the controller die, providing four electrical contacts on one side and two on the other that are connected to the six pins of the controller by gold ball bonds. I didn’t measure connectivity from these pads to package pins or the crystal, but based on the general floorplan of the device my educated guess is that the four corner pins connect to the package pins, while the two center pins connect to the quartz crystal (sitting above the controller on the third level).
Blog: https://unipat.ai/blog/UniScientist
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pct := (value as float / total as float) * 100.0;
结果赶上微短剧风口，直接起死回生。