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怎么使用MSP430 Lauchpad的外部晶振



你好!

我给MSP430 LauchPad 焊了一个8M的晶振,

但发现它不能正常工作。 如果用DCO是正常的。

//选择外部时钟

我的配置如下:

BCSCTL1 &= ~XT2OFF;

BCSCTL1 |= XTS;

BCSCTL2 |= SELS + SELM_2;

BCSCTL3 |= XT2S_2 + LFXT1S_2;

谢谢!