Samsung KFKAGH6Q4M, KFN8GH6Q4M, KFM4GH6Q4M warranty PI Block Erase, Erasing the PI Area

Models: KFN8GH6Q4M KFM4GH6Q4M KFKAGH6Q4M

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Flex-MuxOneNAND4G(KFM4GH6Q4M-DEBx)

 

Flex-MuxOneNAND8G(KFN8GH6Q4M-DEBx)

 

Flex-MuxOneNAND16G(KFKAGH6Q4M-DEBx)

FLASH MEMORY

3.12.1.2 PI Block Erase

The PI Block Erase Operation erases the entire PI block including Partition Information. PI Block Access mode entry must be done before issuing Erase operation for PI Block.

Erasing the PI Area

Issue the PI Access Command(Refer to Chapter 3.12.1.1).

Issue an Erase command to erase the PI area.

PI Block Erase Operation Flow Chart (In PI Block Access Mode)

Start

 

Write ‘FBA’ of Flash

 

Add: F100h DQ=FBA1)

 

Write 0 to interrupt register2)

 

Add: F241h DQ=0000h

 

Write Erase command

 

Add: F220h

 

DQ=0094h

 

Wait for INT register

 

low to high transition

 

Add: F241h DQ[15]=INT

 

Read Controller

 

Status Register

YES

Add: F240h

 

DQ[10]=1(Error)

 

NO

 

PI Erase Complete

PI Erase Error

* DBS, DFS is for DDP

NOTE :

1)FBA(NAND Flash Block Address) must be 0000h.

2)‘Write 0 to interrupt register’ step may be ignored when using INT auto mode. Refer to chapter 2.8.18.1

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Samsung KFKAGH6Q4M, KFN8GH6Q4M warranty Erasing the PI Area, PI Block Erase Operation Flow Chart In PI Block Access Mode