Skip BBT MPF BCH18 STM BBM User Manual
Contents
1. Skip BBT MPF BCH18 STM User Manual General Description and Name This scheme Implements the skip bad blocks based on Bad Block Tables stored at the end of the NAND flash memory The binary image includes the ECC Relevant User Options The following special features on the special features tab apply to this scheme The default values might work in some cases but please make sure to set the right value according to your system Please note only the below special feature items are related to this scheme and ignore any others If any of below items doesn t exist please check whether the right version has been installed or contact Data I O for support by submitting Device Support Request through this address http www dataio com support dsr asp Bad Block Handling Type Skip BBT MPF BCH18 STM Spare area Enabled PartitionTable File C PartitionTable mbn bad block detection BBM then BB marker Check BB Marker In DataFile Disabled BB mark position Default in the first byte of the spear area Please specify the bad block mark position within the spare area and its mask BB mark mask LOGIC_1 of the mask means this bit is not care Error bits allowed in one page How many error bits allowed within one page while verify Special Notes gt The image file should contain the OOB spare areas gt DO NOT program new device Never program by this BBM and re programmed device together2. gt Format of PartitionTable mbn Binary file has fixed length 256 bytes Little endian Each row of the table describes the configuration for one partition Up to 16 partitions can be used Partition format ea a The document is for Data I O customers only a Start Block Partition start block End Block Partition end block c Valid Data Length number of blocks of data to read from the image file and write to the device d Attribute ignore Partition Table File Start Block 4 Byes End Block 4 Byes Valid Data Block 4 Byes OxFFFFFFFF gt Partition Table file template PartitionTable mbn Revision History V1 0 Date 2015 10 20 Create this spec Appendix You can get the file Description of common NAND special features pdf from http ftp dataio com FCNotes BBM The document is for Data I O customers only
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