Register definition: 
Status Register 1: S7 - S0
  Bit        Name                               Settings:    
   7         Status Register Protect            0: Disabled (Default), 1: Enabled
  6-5        Output Driver Strength[1:0]        00: 100%, 01: 50%, 10: 25%, 11: 10%
  4-2        Block Protection Bits[2:0]         See Protected Area table