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，这一点在新收录的资料中也有详细论述
第二是AI硬件要与用户交流，调用麦克风扬声器能够和用户交流，以及通过屏幕要让用户看到反馈；
文 | 增长黑盒Growthbox
This external precision resistor is the "reference" and it remains at 240Ω at all temperatures. When a ZQCL command is issued during initialization, this DQ calibration control block gets enabled and it produces a tuning value. This value is then copied over to each DQ's internal circuitry.