我是初学者,在使用MSP430F149的过程中看到,有的资料书中写到LFXT1在低频模式下连接32768Hz晶体时,不需要再连接电容,因为内部集成了电容;而有的资料中却在电路中加上了两个22pF的电容。
因此,请问:(1)是否需要加电容?
(2)如果不需要加,那么像已经加上的那两个22pF的电容对电路或时钟有影响吗?
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