Below is the Systemlnit Function in our system_stm32f4xx.c file void 3yatemInit (void) FPU etting /* Re8et the RCC c1 ck configur8tion to the default r et 8t8te */ RCC-3CR l= (uint32 ) 0x00000001 /Reset HSEBYP bit Disable all interrupts #1f detined (DATA IN Ext3RAM) Il defined (DTA IN ExtSDRAM) #end if /* DATA IN ExtSRAH DATATH Ext3DRAM - /* configure the Vector Table location ad off-et ddr telse SCB->VTOR-FLASH BASE VECT TAB OFFSET; /* Vector Table Relocation in Internal FLASH */ #endif Consider the following FIVE lines in the Systemlnit() function above RCC->CR |= (uint32_t)0x00000001; RCC->CR &= (uint32_t)OxFEF6FFFF; RCC->PLLCFGR = 0x24003010; RCC->CR &= (uint32_t)OxFFFBFFFF; These five lines are configuring the clock. For each line, briefly explain what is happening by referring to Chapter 7 in the STM32F407 Reference Manual (RM0090) What is the SYSTEM CLOCK SYSCLK when these 5 lines are executed? Below is the Systemlnit Function in our system_stm32f4xx.c file void 3yatemInit (void) FPU etting /* Re8et the RCC c1 ck configur8tion to the default r et 8t8te */ RCC-3CR l= (uint32 ) 0x00000001 /Reset HSEBYP bit Disable all interrupts #1f detined (DATA IN Ext3RAM) Il defined (DTA IN ExtSDRAM) #end if /* DATA IN ExtSRAH DATATH Ext3DRAM - /* configure the Vector Table location ad off-et ddr telse SCB->VTOR-FLASH BASE VECT TAB OFFSET; /* Vector Table Relocation in Internal FLASH */ #endif Consider the following FIVE lines in the Systemlnit() function above RCC->CR |= (uint32_t)0x00000001; RCC->CR &= (uint32_t)OxFEF6FFFF; RCC->PLLCFGR = 0x24003010; RCC->CR &= (uint32_t)OxFFFBFFFF; These five lines are configuring the clock. For each line, briefly explain what is happening by referring to Chapter 7 in the STM32F407 Reference Manual (RM0090) What is the SYSTEM CLOCK SYSCLK when these 5 lines are executed