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About LPC1788 NandFlash Block Erase!

Question asked by Yanpeng Wang on Sep 26, 2016
Latest reply on Oct 10, 2016 by Yanpeng Wang

NandFlash using K9F1G08U0D, Use Nand Flash in the NXP firmware library, I have a problem about nandflash block erase, in the nandflash block addres compute, the K9F1G08U0D datasheet  and the NXP firmware code is


so the problem is:how to  calculate this rowAddr?  when blockNum = 0 or 16 or 32...... this is not the same as the value of pALE?

Who can explain the problem in detail? help me