Samsung KFKAGH6Q4M External Memory BufferRAM Address Map, Division Address Size Usage Description

Flex-MuxOneNAND4G(KFM4GH6Q4M-DEBx)
Flex-MuxOneNAND8G(KFN8GH6Q4M-DEBx)
Flex-MuxOneNAND16G(KFKAGH6Q4M-DEBx)	FLASH MEMORY

2.7.3 External Memory (BufferRAM) Address Map

The following table shows the External Memory address map in Word and Byte Order.

Note that the data output is unknown while host reads a register bit of reserved area and dual buffering is not applicable.

Division	Address	Address		Size		Usage	Description
	(word order)	(byte order)	(total 128KB)
Main area	0000h~00FFh	00000h~001FEh	512B	1KB	R	BootM 0	BootRAM, Main, block0/page0/sector0
(64KB)
	0100h~01FFh	00200h~003FEh	512B			BootM 1	BootRAM, Main, block0/page0/sector1
	0200h~02FFh	00400h~005FEh	512B			DataM 0_0	DataRAM, Main, nth page/sector0
	0300h~03FFh	00600h~007FEh	512B			DataM 0_1	DataRAM, Main, nth page/sector1
	0400h~04FFh	00800h~009FEh	512B			DataM 0_2	DataRAM, Main, nth page/sector2
	0500h~05FFh	00A00h~00BFEh	512B	4KB	R/W	DataM 0_3	DataRAM, Main, nth page/sector3
	0600h~06FFh	00C00h~00DFEh	512B			DataM 1_0	DataRAM, Main, nth page/sector4
	0700h~07FFh	00E00h~00FFEh	512B			DataM 1_1	DataRAM, Main, nth page/sector5
	0800h~08FFh	01000h~011FEh	512B			DataM 1_2	DataRAM, Main, nth page/sector6
	0900h~09FFh	01200h~013FEh	512B			DataM 1_3	DataRAM, Main, nth page/sector7
	0A00h~7FFFh	01400h~0FFFEh	59K	59K	-	Reserved	Reserved
Spare area	8000h~8007h	10000h~1000Eh	16B	32B	R	BootS 0	BootRAM, Spare, block0/page0/sector0
(8KB)
	8008h~800Fh	10010h~1001Eh	16B			BootS 1	BootRAM, Spare, block0/page0/sector1
	8010h~8017h	10020h~1002Eh	16B			DataS 0_0	DataRAM, Spare, nth page/sector0
	8018h~801Fh	10030h~1003Eh	16B			DataS 0_1	DataRAM, Spare, nth page/sector1
	8020h~8027h	10040h~1004Eh	16B			DataS 0_2	DataRAM, Spare, nth page/sector2
	8028h~802Fh	10050h~1005Eh	16B	128B	R/W	DataS 0_3	DataRAM, Spare, nth page/sector3
	8030h~8037h	10060h~1006Eh	16B			DataS 1_0	DataRAM, Spare, nth page/sector4
	8038h~803Fh	10070h~1007Eh	16B			DataS 1_1	DataRAM, Spare, nth page/sector5
	8040h~8047h	10080h~1008Eh	16B			DataS 1_2	DataRAM, Spare, nth page/sector6
	8048h~804Fh	10090h~1009Eh	16B			DataS 1_3	DataRAM, Spare, nth page/sector7
	8050h~8FFFh	100A0h~11FFEh	8032B	8032B	-	Reserved	Reserved
Reserved	9000h~BFFFh	12000h~17FFEh	24KB	24KB	-	Reserved	Reserved
(24KB)
Reserved	C000h~CFFFh	18000h~19FFEh	8KB	8KB	-	Reserved	Reserved
(8KB)
Reserved	D000h~EFFFh	1A000h~1DFFEh	16KB	16KB	-	Reserved	Reserved
(16KB)
Registers	F000h~FFFFh	1E000h~1FFFEh	8KB	8KB	R or	Registers	Registers
(8KB)					R/W

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