- _WDWORD(0x40021000, _RDWORD(0x40021000) | 0x00010000); //switch On HSE
- _sleep_(100);
- _WDWORD(0x40021004, 0x001D0000); //config PLL div:1 mul:9 = 72MHz
- _WDWORD(0x40021000, _RDWORD(0x40021000) | 0x01000000); //switch On PLL
- _sleep_(100);
- _WDWORD(0x40022000, 0x00000012); //1ws for FLASH
- _WDWORD(0x40021004, 0x001D0002); //select PLL