看数据手册要仔细看电参数。<br />VDD Supply Voltage<br />D001 16LF87XA 2.0 — 5.5 V All configurations<br />(DC to 10 MHz)<br />D001 16F87XA 4.0 — 5.5 V All configurations<br />D001A VBOR 5.5 V BOR enabled, FMAX = 14 MHz(7)
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