Which ofthe following C statements would set the RCC2 register DIV400 bit to 1 and set the VCO divisor bits to have a clock frequency of 80 MHz?

Question

Which ofthe following C statements would set the RCC2 register  DIV400 bit to 1  and set the VCO divisor bits to have a clock frequency of  80 MHz ?

Answer

d. SYSCTL->RCC2 &= ~(0x7F<<22); SYSCTL->RCC2 |= 0x40000000; SYSCTL->RCC2 |= 4U<<22;

Answer

b. SYSCTL->RCC2 &= ~(0x7F<<23); SYSCTL->RCC2 |= 0x40000000; SYSCTL->RCC2 |= 4U<<23;

Answer

a. SYSCTL->RCC2 |= 0x7F<<22; SYSCTL->RCC2 |= 0x40000000; SYSCTL->RCC2 |= 4U<<22;

Answer

c. SYSCTL->RCC2 |= 0x7F<<23; SYSCTL->RCC2 |= 0x40000000; SYSCTL->RCC2 |= 4U<<23;

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