设置代码:
systemREG->PLLCTL1 = 0x00000000U
| 0x20000000U
| (1U - 1U << 24U)
| 0x00000000U
| (4U - 1U << 16U)
| (100U - 1U << 8U);
不是很理解(1U - 1U << 24U) 和(4U - 1U << 16U) 和(100U - 1U << 8U),最终给寄存器设置的值是多少?
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设置代码:
systemREG->PLLCTL1 = 0x00000000U
| 0x20000000U
| (1U - 1U << 24U)
| 0x00000000U
| (4U - 1U << 16U)
| (100U - 1U << 8U);
不是很理解(1U - 1U << 24U) 和(4U - 1U << 16U) 和(100U - 1U << 8U),最终给寄存器设置的值是多少?