Flex-MuxOneNAND4G(KFM4GH6Q4M-DEBx)

 

Flex-MuxOneNAND8G(KFN8GH6Q4M-DEBx)

 

Flex-MuxOneNAND16G(KFKAGH6Q4M-DEBx)

FLASH MEMORY

3.12.1 PI Block Boundary Information setting

It is 1st word of sector0 of page0 of main area of PI Block. The Lock bits for PI Block and Boundary address of SLC and MLC are stored. After shipment, it is initially programmed as data FC00h(Lock bit[15:14]: 11b(binary), Boundary address[9:0]: 000h).

To change PI Block contents (i.e, lock bits and boundary address), Erase/Program sequence should be followed as below.

PI Block Boundary Information setting steps

Enter PI Block access mode(Refer to Chapter 3.12.1.1).

Issue PI Block erase(Refer to Chapter 3.12.1.2).

Issue PI program(Refer to Chapter 3.12.1.3).

Exit PI Block Access mode & Update new Partition Information.

PI block Access mode exit can be done through a Warm/Cold/Hot/NAND Flash Reset.

However, PI Update can only be done by two methods: PI Update Command and Cold Reset.

The following flow chart shows two methods for updating the PI and exiting PI access mode.

PI Block Boundary Information setting Flow Chart

Start

PI Block Access mode entry1)

PI Block Erase2)

PI Program3)

(Lock bit, Boundary of Address)

PI Block Update4)

Warm/Hot/NAND Flash Reset

PI Block Access Mode exit

PI Update done

NOTE :

1)Refer to Chapter 3.12.1.1

2)Refer to Chapter 3.12.1.2

3)Refer to Chapter 3.12.1.3

4)Refer to Chapter 3.12.1.4

Cold Reset

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Samsung KFM4GH6Q4M PI Block Boundary Information setting steps, PI Block Boundary Information setting Flow Chart