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https://e2e.ti.com/support/microcontrollers/arm-based-microcontrollers-group/arm-based-microcontrollers/f/arm-based-microcontrollers-forum/593462/tms570lc4357-are-there-any-known-issues-running-a-tms570-4357-rm57-with-an-external-input-clock-of-20-mhz-in-terms-of-pll-lock
是否有人在使用20MHz 输入时钟运行 TMS570或 RM57时遇到问题？ 我听说过 PLL 锁定的勘误表、这是否适用？
－乔什·克尔
