P$4.(20$ pts$)$ Consider the GPIO memory map of STM$32$L$476.(1)(2$ pts$)$ What is the numeric value of the memory address of the mode register of PE$,$ i$.$e$.,$ GPIO Port E$?(2)(2$ pts$)$ What is the numeric value of the memory address of the ODR of PE$,$ i$.$e$.,$ GPIO Port E$?(3)(8$ pts$)$ Write C code to set PE$\mathrm{.}3$ and PE$7$ as digital output pin, without modifying any other bits in the registers in your code. $(4)(4$ pts$)$ What values should we put into the following mode register to set both PE$\mathrm{.}3$ and PE$7$ as digital output pin? Register $262524232221181615141312119793210$ Value $(5)(4$ pts$)$ Write C code to set PE$\mathrm{.}3\text{'}$s output type as push$-$pull, and PE$7\text{'}$s output type as open$-$drain, without modifying any other bits in the registers in your code.