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Program NAND with ROM programmer implementation guide

Posted: 03 Jun 2010     Print Version  Bookmark and Share

Keywords:ROM programmer  NAND flash  ROM implementation guide 

At the time of manufacturing a hardware board, no data is available on the NAND Flash. During the engineering stage, the Advanced ToolKit (ATK) is used to download the XLDR and EBOOT (for WinCE) to the board, and then the board can be run. But using ATK to download the full runtime NK image is too slow and not appropriate for mass production.

For mass production, the NAND flash must be programmed with the ROM programmer, prior to mounting it onto to the PCB. The XLDR, EBOOT and NK must also be programmed into the NAND flash simultaneously.

To work with most of the vendors of ROM programmer, the bad block skip format is used to program the NAND flash data, and all the main data and the spare data is provided to the ROM programmer. Hence, the programmer need not worry about the ECC method, and can just program the given data to the NAND flash.

This application note discusses methods to program the full runtime image to NAND flash by using the ROM programmer, and prepare the full runtime image files with the format supported by the ROM programmer.

View the PDF document for more information.





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