w25q40bv Winbond Electronics Corp America, w25q40bv Datasheet - Page 8

• Manufacturer Part Number: w25q40bv
• Description: 4m-bit Serial Flash Memory With Dual And Quad Spi
• Manufacturer: Winbond Electronics Corp America

6. BLOCK DIAGRAM
/HOLD (IO
/HOLD (IO
/WP (IO
/WP (IO
DO (IO
DO (IO
DI (IO
DI (IO
CLK
CLK
/CS
/CS
2
2
)
)
3
3
0
0
1
1
)
)
)
)
)
)
xxDF00h
xxDF00h
xxD000h
xxD000h
xxFF00h
xxFF00h
xxEF00h
xxEF00h
xxE000h
xxE000h
xxF000h
xxF000h
xx2F00h
xx2F00h
xx2000h
xx2000h
xx1F00h
xx1F00h
xx1000h
xx1000h
xx0F00h
xx0F00h
xx0000h
xx0000h
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Block Segmentation
Block Segmentation
Control Logic
Control Logic
Write Control
Write Control
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
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Figure 2. W25Q40BV Serial Flash Memory Block Diagram
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
- 8 -
Page Address
Page Address
003000h
003000h
002000h
002000h
001000h
001000h
000000h
000000h
07FF00h
07FF00h
070000h
070000h
04FF00h
04FF00h
040000h
040000h
03FF00h
03FF00h
030000h
030000h
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
Column Decode
Column Decode
Block 7 (64KB)
Block 7 (64KB)
Block 4 (64KB)
Block 4 (64KB)
Block 3 (64KB)
Block 3 (64KB)
Block 0 (64KB)
Block 0 (64KB)
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W25Q40BV
Ending
Ending
Page Address
Page Address
07FFFFh
07FFFFh
04FFFFh
04FFFFh
03FFFFh
03FFFFh
00FFFFh
00FFFFh
0700FFh
0700FFh
0400FFh
0400FFh
0300FFh
0300FFh
0000FFh
0000FFh
0030FFh
0030FFh
0020FFh
0020FFh
0010FFh
0010FFh
0000FFh
0000FFh
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