Samsung FLEX-MUXONENAND KFKAGH6Q4M Specifications page 88

Flex-MuxOneNAND4G(KFM4GH6Q4M-DEBx)
Flex-MuxOneNAND8G(KFN8GH6Q4M-DEBx)
Flex-MuxOneNAND16G(KFKAGH6Q4M-DEBx)
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)
* 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
Start
Write 'FBA' of Flash
1)
Add: F100h DQ=FBA
2)
Write 0 to interrupt register
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
Add: F240h
DQ[10]=1(Error)
NO
PI Erase Complete
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YES
PI Erase Error
FLASH MEMORY