1 reset flex-muxonenand command, 2 load data into buffer command, 3 read identification data command – Samsung FLEX-MUXONENAND KFN8GH6Q4M User Manual

Page 56: Flex-muxonenand4g(kfm4gh6q4m-debx)

Advertising
background image

Flex-MuxOneNAND4G(KFM4GH6Q4M-DEBx)

- 56 -

FLASH MEMORY

Flex-MuxOneNAND8G(KFN8GH6Q4M-DEBx)

Flex-MuxOneNAND16G(KFKAGH6Q4M-DEBx)

3.1.1 Reset Flex-MuxOneNAND Command

The Reset command is given by writing 00F0h to the boot partition address. Reset will return all default values into the device.

3.1.2 Load Data Into Buffer Command

Load Data into Buffer command is a two-cycle command. Two sequential designated command activates this operation. Sequentially writing
00E0h and 0000h to the boot partition [0000h~01FFh, 8000h~800Fh] will load one page to DataRAM0 and DataRAM1. This operation refers
to FBA. FSA must be 00 and BSA must be 1000.
At the end of this operation, FPA will be automatically increased by 1. So continuous issue of this command will sequentially load data in next
page to DataRAM0, DataRAM1. This page address increment is restricted within a block.
The default value of FBA and FPA is 0. Therefore, initial issue of this command after power on will load the first page of memory, which is usu-
ally boot code.

3.1.3 Read Identification Data Command

The Read Identification Data command consists of two cycles. It gives out the devices identification data according to the given address. The
first cycle is 0090h to the boot partition address and second cycle is read from the addresses specified in Identification Data Description Table.

Identification Data Description

NOTE :
1) Refer to Device ID Register (Chapter 2.8.3)
2) To read the write protection status, FBA has to be set before issuing this command.

Address

Data Out

0000h

Manufacturer ID (00ECh)

0001h

Device ID

1)

0002h

Current Block Write Protection Status

2)

Advertising
This manual is related to the following products: