W25Q16DW
5. BLOCK DIAGRAM
Security Register 3 - 0
Block Segmentation
003000h
002000h
001000h
000000h
0030FFh
0020FFh
0010FFh
0000FFh
xxFF00h
?
xxF000h
xxEF00h
Sector 15 (4KB)
xxFFFFh
?
xxF0FFh
xxEFFFh
1FFF00h
?
1F0000h
Block 31 (64KB)
1FFFFFh
?
1F00FFh
?
xxE000h
xxDF00h
?
xxD000h
xx2F00h
?
xx2000h
Sector 14 (4KB)
Sector 13 (4KB)
?
?
?
Sector 2 (4KB)
?
xxE0FFh
xxDFFFh
?
xxD0FFh
xx2FFFh
?
xx20FFh
?
?
?
xx1F00h
?
xx1000h
xx0F00h
?
xx0000h
Sector 1 (4KB)
Sector 0 (4KB)
xx1FFFh
?
xx10FFh
xx0FFFh
?
xx00FFh
10FF00h
?
100000h
FFF00h
?
Block 16 (64KB)
Block 15 (64KB)
10FFFFh
?
1000FFh
FFFFFh
?
F0000h
?
F00FFh
/WP (IO 2 )
Write Control
Logic
8FF00h
?
?
8FFFFh
?
80000h
Block 8 (64KB)
?
800FFh
Status
Register
7FF00h
?
70000h
Block 7 (64KB)
7FFFFh
?
700FFh
?
High Voltage
Generators
00FF00h
?
?
00FFFFh
/HOLD (IO 3 )
?
000000h
Block 0 (64KB)
?
0000FFh
CLK
/CS
SPI
Command &
Page Address
Latch / Counter
Beginning
Page Address
Ending
Page Address
DI (IO 0 )
DO (IO 1 )
Control Logic
Data
Byte Address
Column Decode
And 256-Byte Page Buffer
Latch / Counter
Figure 2. W25Q16DW Serial Flash Memory Block Diagram
- 10 -
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