KFM2G16Q2M-DEB5 SAMSUNG [Samsung semiconductor], KFM2G16Q2M-DEB5 Datasheet - Page 15
KFM2G16Q2M-DEB5
Manufacturer Part Number
KFM2G16Q2M-DEB5
Description
MuxOneNAND FLASH MEMORY
Manufacturer
SAMSUNG [Samsung semiconductor]
Datasheet
1.KFM2G16Q2M-DEB5.pdf
(124 pages)
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MuxOneNAND1G(KFM1G16Q2M-DEB5)
MuxOneNAND2G(KFN2G16Q2M-DEB5)
2.6.2
The on-chip external memory is comprised of 3 buffers used for Boot Code storage and data buffering.
The BootRAM is a 1KB buffer that receives Boot Code from the internal memory and makes it available to the host at start up.
There are two independent 2KB bi-directional data buffers, DataRAM0 and DataRAM1. These dual buffers enable the host to execute
simultaneous Read-While load, and Write-While-program operations after Boot Up. During Boot Up, the BootRam is used by the host
to initialize the main memory, and deliver boot code from NAND Flash core to host.
The external memory is divided into a main area and a spare area. Each buffer is the equivalent size of a Sector.
The main area data is 512B. The spare area data is 16B.
External Memory Array Information
Host
Sector
Number of Sectors
Total Size
External (BufferRAM) Memory Organization
Area
Spare
Main
External (BufferRAM)
DataRAM0 (2KB)
DataRAM1 (2KB)
BootRAM (1KB)
Memory
BootRAM
1KB+32B
512B
16B
2
15
DataRAM0
2KB+64B
Boot code (1KB)
512B
16B
4
Internal (Nand Array)
Nand Array
OTP Block
Memory
FLASH MEMORY
DataRAM1
2KB+64B
512B
16B
4
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