MuxOneNAND2G(KFM2G16Q2A-DEBx)

FLASH MEMORY

 

MuxOneNAND4G(KFN4G16Q2A-DEBx)

2.8.23 Start Block Address Register F24Ch (R/W)

 

This Read/Write register shows the NAND Flash block address in the Write Protection mode. Setting this register precedes a 'Lock Block' command, 'Unlock Block' command, or ‘Lock-Tight' Command.

F24Ch, default = 0000h

15

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13

 

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2

1

 

0

 

Reserved(000000)

 

 

 

 

 

 

 

 

 

 

 

SBA

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Device

 

 

 

 

 

 

Number of Block

 

 

 

 

 

SBA

 

 

 

 

 

2Gb

 

 

 

 

 

 

 

 

2048

 

 

 

 

 

 

[10:0]

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

SBA Information[10:0]

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Item

 

 

 

 

Definition

 

 

 

 

 

 

 

 

 

Description

 

 

 

 

 

SBA

 

 

 

 

Start Block Address

 

 

 

 

Precedes Lock Block, Unlock Block, or Lock-Tight commands

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

2.8.24 End Block Address Register F24Dh

This register is reserved for future use.

2.8.25 NAND Flash Write Protection Status Register F24Eh (R)

This Read register shows the Write Protection Status of the NAND Flash memory array.

To read the write protection status, FBA(DFS and DBS also in case of DDP) has to be set before reading the register.

F24Eh, default = 0002h

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1

0

 

 

 

 

 

 

 

Reserved(0000000000000)

 

 

 

 

 

 

US

LS

LTS

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Write Protection Status Information[2:0]

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Item

 

Definition

 

 

 

 

 

 

 

 

Description

 

 

 

 

 

US

Unlocked Status

 

 

 

1

= current NAND Flash block is unlocked

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

LS

Locked Status

 

 

 

1

= current NAND Flash block is locked

 

 

 

 

 

 

 

 

 

Or First Block of NAND Flash Array is Locked to be OTP

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

LTS

Locked-Tight Status

 

 

1

= current NAND Flash block is locked-tight

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

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Samsung KFN4G16Q2A, KFM2G16Q2A warranty Start Block Address Register F24Ch R/W, End Block Address Register F24Dh, Sba