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Review Request #2510 — Created May 12, 2021 and updated May 12, 2021, 10 p.m. — Latest diff uploaded May 12, 2021, 9:50 p.m.
1、支持有晶振和无晶振两种模式; 2、无晶振条件下,可选择gpio输出14M pwm给xtal out脚; 3、增加lpm 例程; 4、修改所有例程的respin文件。