This is the documentation for the latest (main) development branch of mcuxpresso sdk. If you are looking for the documentation of previous releases, use the drop-down menu on the left and select the desired version.

spifi_dma_transfer

Overview

The SPIFI DMA Example project is a demonstration program that uses the KSDK software to program external serial flash using DMA and read through AHB bus.

Prepare the Demo

Connect a serial cable from the debug UART port of the board to the PC. Start Tera Term (http://ttssh2.osdn.jp) and make a connection to the virtual serial port.

1. Start Tera Term

2. New connection -> Serial

3. Set apropriate COMx port (x is port number) in Port context menu. Number is provided by operation system and could be different from computer to computer. Select COM number related to virtual serial port. Confirm selected port by OK button.

4. Set following connection parameters in menu Setup->Serial port… Baud rate: 115200 Data: 8 Parity: none Stop: 1 Flow control: one

5. Confirm selected parameters by OK button.

Running the demo

SPIFI flash dma example started All data written is correct! SPIFI DMA example Finished!

Supported Boards

• LPCXpresso54628

• LPCXpresso54S018

• LPCXpresso54S018M