3 external memory (bufferram) address map, Flex-muxonenand4g(kfm4gh6q4m-debx) – Samsung FLEX-MUXONENAND KFN8GH6Q4M User Manual
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Flex-MuxOneNAND4G(KFM4GH6Q4M-DEBx)
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FLASH MEMORY
Flex-MuxOneNAND8G(KFN8GH6Q4M-DEBx)
Flex-MuxOneNAND16G(KFKAGH6Q4M-DEBx)
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
(word order)
Address
(byte order)
Size
(total 128KB)
Usage
Description
Main area
(64KB)
0000h~00FFh
00000h~001FEh
512B
1KB
R
BootM 0
BootRAM, Main, block0/page0/sector0
0100h~01FFh
00200h~003FEh
512B
BootM 1
BootRAM, Main, block0/page0/sector1
0200h~02FFh
00400h~005FEh
512B
4KB
R/W
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
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
(8KB)
8000h~8007h
10000h~1000Eh
16B
32B
R
BootS 0
BootRAM, Spare, block0/page0/sector0
8008h~800Fh
10010h~1001Eh
16B
BootS 1
BootRAM, Spare, block0/page0/sector1
8010h~8017h
10020h~1002Eh
16B
128B
R/W
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
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
(24KB)
9000h~BFFFh
12000h~17FFEh
24KB
24KB
-
Reserved
Reserved
Reserved
(8KB)
C000h~CFFFh
18000h~19FFEh
8KB
8KB
-
Reserved
Reserved
Reserved
(16KB)
D000h~EFFFh
1A000h~1DFFEh
16KB
16KB
-
Reserved
Reserved
Registers
(8KB)
F000h~FFFFh
1E000h~1FFFEh
8KB
8KB
R or
R/W
Registers
Registers