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#if defined (STM32F10X_LD_VL) || (defined STM32F10X_MD_VL) || (defined STM32F10X_HD_VL)
* i+ u& m0 x" A9 o5 q/* #define SYSCLK_FREQ_HSE HSE_VALUE */
' s/ V" p9 u6 r( q' i#define SYSCLK_FREQ_24MHz 240000001 g. d% u1 k! r- o
#else
$ M2 b4 w/ b; Z {% T. W2 Y/* #define SYSCLK_FREQ_HSE HSE_VALUE */, M' Y2 q, D; a+ Y w7 f: [
/* #define SYSCLK_FREQ_24MHz 24000000 */
L: g0 T4 ]2 [# Y) r7 F/* #define SYSCLK_FREQ_36MHz 36000000 */# E& m0 v/ h. ^# z: N- _/ {
/* #define SYSCLK_FREQ_48MHz 48000000 */
. R3 b- n& k4 I/ G1 b- l( z/ j) o( u/* #define SYSCLK_FREQ_56MHz 56000000 */# y3 k) x6 j; X4 e4 y% o
#define SYSCLK_FREQ_72MHz 72000000% @2 V: x2 g0 W9 H0 {
#endif. |- S, d1 h7 d
上面的LD,MD,HD不过是FLASH密度,怎么和晶体有关系了?. H5 Z4 h* }2 O1 X/ ]
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