21ic问答首页 - PIC24F中的OSCCNH写入的问题
PIC24F中的OSCCNH写入的问题
      __builtin_write_OSCCONH((uint8_t) ((0x0100 >> _OSCCON_NOSC_POSITION) & 0x00FF));
__builtin_write_OSCCONL((uint8_t) ((0x0100 | _OSCCON_OSWEN_MASK) & 0xFF));
关于(uint8_t) 与((0x0100 >> _OSCCON_NOSC_POSITION) & 0x00FF)这么写的含义是什么???
__builtin_write_OSCCONL((uint8_t) ((0x0100 | _OSCCON_OSWEN_MASK) & 0xFF));
关于(uint8_t) 与((0x0100 >> _OSCCON_NOSC_POSITION) & 0x00FF)这么写的含义是什么???

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