
W25Q32BV
Publication Release Date: April 01, 2011
- 11 -
Revision F
5. BLOCK DIAGRAM
Figure 2. W25Q32BV Serial Flash Memory Block Diagram
003000h
0030FFh
002000h
0020FFh
001000h
0010FFh
Column Decode
And 256-Byte Page Buffer
Beginning
Page Address
Ending
Page Address
W25Q32
B
V
SPI
Command &
Control Logic
Byte Address
Latch / Counter
Status
Register
Write Control
Logic
Page Address
Latch / Counter
DO (IO1)
DI (IO0)
/CS
CLK
/HOLD (IO3)
/WP (IO2)
High Voltage
Generators
xx0F00h
xx0FFFh
Sector 0 (4KB)
xx0000h
xx00FFh
xx1F00h
xx1FFFh
Sector 1 (4KB)
xx1000h
xx10FFh
xx2F00h
xx2FFFh
Sector 2 (4KB)
xx2000h
xx20FFh
xxDF00h
xxDFFFh
Sector 13 (4KB)
xxD000h
xxD0FFh
xxEF00h
xxEFFFh
Sector 14 (4KB)
xxE000h
xxE0FFh
xxFF00h
xxFFFFh
Sector 15 (4KB)
xxF000h
xxF0FFh
Block Segmentation
Data
Security Register 1 - 3
W
rit
e
P
ro
te
ct
Logi
can
dR
ow
D
ec
od
e
000000h
0000FFh
SFDP Register
00FF00h
00FFFFh
Block 0 (64KB)
000000h
0000FFh
0FFF00h
0FFFFFh
Block 15 (64KB)
0F0000h
0F00FFh
10FF00h
10FFFFh
Block 16 (64KB)
100000h
1000FFh
1FFF00h
1FFFFFh
Block 31 (64KB)
1F0000h
1F00FFh
20FF00h
20FFFFh
Block 32 (64KB)
200000h
2000FFh
3FFF00h
3FFFFFh
Block 63 (64KB)
3F0000h
3F00FFh
003000h
0030FFh
002000h
0020FFh
001000h
0010FFh
Column Decode
And 256-Byte Page Buffer
Beginning
Page Address
Ending
Page Address
W25Q32
B
V
SPI
Command &
Control Logic
Byte Address
Latch / Counter
Status
Register
Write Control
Logic
Page Address
Latch / Counter
DO (IO1)
DI (IO0)
/CS
CLK
/HOLD (IO3)
/WP (IO2)
High Voltage
Generators
xx0F00h
xx0FFFh
Sector 0 (4KB)
xx0000h
xx00FFh
xx1F00h
xx1FFFh
Sector 1 (4KB)
xx1000h
xx10FFh
xx2F00h
xx2FFFh
Sector 2 (4KB)
xx2000h
xx20FFh
xxDF00h
xxDFFFh
Sector 13 (4KB)
xxD000h
xxD0FFh
xxEF00h
xxEFFFh
Sector 14 (4KB)
xxE000h
xxE0FFh
xxFF00h
xxFFFFh
Sector 15 (4KB)
xxF000h
xxF0FFh
Block Segmentation
Data
Security Register 1 - 3
W
rit
e
P
ro
te
ct
Logi
can
dR
ow
D
ec
od
e
000000h
0000FFh
SFDP Register
00FF00h
00FFFFh
Block 0 (64KB)
000000h
0000FFh
0FFF00h
0FFFFFh
Block 15 (64KB)
0F0000h
0F00FFh
10FF00h
10FFFFh
Block 16 (64KB)
100000h
1000FFh
1FFF00h
1FFFFFh
Block 31 (64KB)
1F0000h
1F00FFh
20FF00h
20FFFFh
Block 32 (64KB)
200000h
2000FFh
3FFF00h
3FFFFFh
Block 63 (64KB)
3F0000h
3F00FFh