
如上图所示,28388支持4四种时钟源,按照CLKSRCCTL1的定义,如下图所示
,
SYSCTL_OSCSRC_XTAL_SE应该是对应11 = reserved (default to INTOSC1)这个case吧
可是SYSCTL_OSCSRC_XTAL_SE的注释却是单端的XTAL
SYSCTL_OSCSRC_XTAL_SE的宏定义或者注释是不是有问题,请TI工程师确认下
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如上图所示,28388支持4四种时钟源,按照CLKSRCCTL1的定义,如下图所示
,
SYSCTL_OSCSRC_XTAL_SE应该是对应11 = reserved (default to INTOSC1)这个case吧
可是SYSCTL_OSCSRC_XTAL_SE的注释却是单端的XTAL
SYSCTL_OSCSRC_XTAL_SE的宏定义或者注释是不是有问题,请TI工程师确认下
F28388D支持单端XTAL,通过XTALCR寄存器选择:

(Pg 249 in spruii0d_TMS320F2838x Real-Time Microcontrollers With Connectivity Manager TRM (Rev. D) )
好的 感谢帮助 之前没有注意过这个寄存器 刚才对照driberlib函数理解了一下