SPI NOR FLASH

Version 1.1

1. Overview

In addition to SPI NOR FLASh can be operated with a burner, Flash_Tool (ISP_Tool) also provides a simple dump function for making master slice.

2. Clear The FLASH

If there is a program in the flash, enter the boot interface and enter "debug" to close the serial port, then disconnect the serial port and link, as shown below:

3. Connect ISP TOOL To Clear Flash

Click "connet", ensure the connection is correct.

Switch to "Erase", the operations are as following:

  1. Click "DIS Con" to disconnect.

  2. Power off and powered on the board, which is empty, there will be no printing, nor will it enter mboot. Disconnect or close the serial port software.

  3. Re-click “Connect”, as shown below: Start from programming uboot, re-use ISP TOOL to burn boot, and then burns the entire image on the network.

4. Dump The Entire Flash Data

  1. Click "DIS Con" to disconnect.

  2. Power off the board, power on and run, and confirm normal operation.

  3. Power off the board, then power on and enter the boot interface and enter "debug" to close the serial port and disconnect the serial port connection software.

  4. Click "Connect" of ISP TOOL to reconnect, and after identifying FLASH, start dump.

    After success as shown below:

5. Master Slice Verification

Find a board with an empty flash, and program the entire master slice as follows, wait about 12 minutes, and then see if it runs normally:

6. Supported Spinor Flash List

Refer to flash_list.xlsx for details.