/**
  **************************************************************************
  * @file     readme.txt 
  * @brief    readme
  **************************************************************************
  */

  this demo is based on the at-start board. qspi flash programming algorithms
  is showed in this demo.  the target flash is esmt32m. 
  - qspi io0   --->   pf8
  - qspi io1   --->   pf9
  - qspi io2   --->   pf7
  - qspi io3   --->   pf6
  - qspi sck   --->   pf10
  - qspi cs    --->   pg6

