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niobe4analog_flexspi_nor

niobe4analog_flexspi_nor#

Overview#

The FLASIAP NOR project is a simple demonstration program of the SDK FLASIAP NOR driver. It erases and programs a portion of external Nor flash connected with FLEXSPI. Some simple flash command willbe executed,such as Write Enable, Erase sector, Program page. Example will first erase the sector and program a page into the flash, at last check if the data in flash is correct.

Supported Boards#

LPCXpresso55S36
Hardware requirements

  • Mini/micro USB cable

  • LPCXpresso55S36 board

  • Personal Computer

Board settings

Connect pin 1-2 of JP41,JP42,JP43,JP44,JP45,JP64 and JP65. Close JP66,JP67,JP68 and JP69.

Prepare the Demo

  1. Connect a micro USB cable between the PC host and the CMSIS DAP USB port (J1) on the board

  2. Open a serial terminal with the following settings (See Appendix A in Getting started guide for description how to determine serial port number):

    • 115200 baud rate

    • 8 data bits

    • No parity

    • One stop bit

    • No flow control

  3. Download the program to the target board.

  4. Either press the reset button on your board or launch the debugger in your IDE to begin running the demo.

Running the demo

When the example runs successfully, the following message is displayed in the terminal:

FLEXSPI NOR example started!

Successfully get FLEXSPI NOR configuration block

Successfully init FLEXSPI serial NOR flash

Serial NOR flash Information:
Serial NOR flash size: xx KB, Hex: (xx)
Serial NOR flash sector size: xx KB, Hex: (xx)
Serial NOR flash page size: xx B, Hex: (xx)

Erasing serial NOR flash over FLEXSPI

Successfully erased one sector of NOR flash device xx -> xx

Program a buffer to a page of NOR flash

Access serial NOR flash over AHB

Successfully programmed and verified location FLEXSPI AMBA memory xx -> xx

End of FLEXSPI NOR Example!
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