W25Q64DWSFIG WINBOND [Winbond], W25Q64DWSFIG Datasheet - Page 9

• Manufacturer Part Number: W25Q64DWSFIG
• Description: 1.8V 64M-BIT SERIAL FLASH MEMORY WITH DUAL/QUAD SPI & QPI
• Manufacturer: WINBOND [Winbond]

8. BLOCK DIAGRAM
/HOLD (IO
/HOLD (IO
/WP (IO
/WP (IO
DO (IO
DO (IO
DI (IO
DI (IO
CLK
CLK
2
2
/CS
/CS
)
)
3
3
0
0
1
1
)
)
)
)
)
)
xxEF00h
xxEF00h
xxDF00h
xxDF00h
xxD000h
xxD000h
xxFF00h
xxFF00h
xxE000h
xxE000h
xxF000h
xxF000h
xx2F00h
xx2F00h
xx2000h
xx2000h
xx1F00h
xx1F00h
xx1000h
xx1000h
xx0F00h
xx0F00h
xx0000h
xx0000h
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Block Segmentation
Block Segmentation
Write Control
Write Control
Control Logic
Control Logic
Sector 15 (4KB)
Sector 15 (4KB)
Sector 14 (4KB)
Sector 14 (4KB)
Sector 13 (4KB)
Sector 13 (4KB)
Command &
Command &
Sector 2 (4KB)
Sector 2 (4KB)
Sector 1 (4KB)
Sector 1 (4KB)
Sector 0 (4KB)
Sector 0 (4KB)
Register
Register
Status
Status
Logic
Logic
SPI
SPI
Figure 2. W25Q64DW Serial Flash Memory Block Diagram
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xxFFFFh
xxFFFFh
xxF0FFh
xxF0FFh
xxEFFFh
xxEFFFh
xxE0FFh
xxE0FFh
xxDFFFh
xxDFFFh
xxD0FFh
xxD0FFh
xx2FFFh
xx2FFFh
xx20FFh
xx20FFh
xx1FFFh
xx1FFFh
xx10FFh
xx10FFh
xx0FFFh
xx0FFFh
xx00FFh
xx00FFh
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Latch / Counter
Latch / Counter
Latch / Counter
Latch / Counter
Page Address
Page Address
Byte Address
Byte Address
High Voltage
High Voltage
Generators
Generators
Data
Data
- 9 -
Page Address
Page Address
Publication Release Date: January 13, 2011
003000h
003000h
002000h
002000h
001000h
001000h
000000h
000000h
7FFF00h
7FFF00h
7F0000h
7F0000h
3FFF00h
3FFF00h
3F0000h
3F0000h
1FFF00h
1FFF00h
1F0000h
1F0000h
40FF00h
40FF00h
400000h
400000h
20FF00h
20FF00h
200000h
200000h
00FF00h
00FF00h
000000h
000000h
Beginning
Beginning
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And 256-Byte Page Buffer
And 256-Byte Page Buffer
Security Register 3 - 0
Security Register 3 - 0
Block 127 (64KB)
Block 127 (64KB)
Block 64 (64KB)
Block 64 (64KB)
Block 63 (64KB)
Block 63 (64KB)
Block 32 (64KB)
Block 32 (64KB)
Block 31 (64KB)
Block 31 (64KB)
Column Decode
Column Decode
Block 0 (64KB)
Block 0 (64KB)
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Preliminary - Revision C
W25Q64DW
Ending
Ending
Page Address
Page Address
7FFFFFh
7FFFFFh
40FFFFh
40FFFFh
3FFFFFh
3FFFFFh
20FFFFh
20FFFFh
1FFFFFh
1FFFFFh
00FFFFh
00FFFFh
7F00FFh
7F00FFh
4000FFh
4000FFh
3F00FFh
3F00FFh
2000FFh
2000FFh
1F00FFh
1F00FFh
0000FFh
0000FFh
0030FFh
0030FFh
0020FFh
0020FFh
0010FFh
0010FFh
0000FFh
0000FFh
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