Register definition:
Status Register 1: B7 - B0
  Bit        Name                              Settings:
   7         Status Register Write Protect     0: Disabled(Default), 1: Enabled
   6         Quad Enable                       0: Disabled, 1: Enabled
  5-2        Block Protection Bits[3:0]        See Protected Area table

Configuration Register: B7 - B0
  Bit        Name                              Settings:
   3         TB (top/bottom select)(OTP)       0: Top protect(default), 1: Bottom protect (OTP)

Fast Boot Register : B31 - B0
  Bit        Name                              Settings:
 31-4        FastBoot Start Address            Boundary address for start of boot code access
  2-1        FastBoot Start Delay              See FastBoot Delay table
   0         FastBoot Enable                   0: FastBoot Enable 1: FastBoot Not Enable(Default)

            Security Register: B7 - B0
  Bit        Name                              Settings:
   1         Lock-down Secured OTP             0: Unlocked 1: Locked (OTP)

Additional Notes: 
   The first 128 bits of the OTP Area may have been programmed with a unique identification number by the factory.
   If the device has been programmed with a unique identification number, programming of the first 128 bits of the OTP area must be avoided