
W25Q80BV
Publication Release Date: October 06, 2010
- 9 -
Revision D
7. BLOCK DIAGRAM
Figure 2. W25Q80BV Serial Flash Memory Block Diagram
003000h
0030FFh
002000h
0020FFh
001000h
0010FFh
Column Decode
And 256-Byte Page Buffer
Beginning
Page Address
Ending
Page Address
W2
5Q
80B
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
rite
Protect
Lo
gi
cand
R
ow
De
co
de
000000h
0000FFh
SFDP Register
00FF00h
00FFFFh
Block 0 (64KB)
000000h
0000FFh
03FF00h
03FFFFh
Block 3 (64KB)
030000h
0300FFh
04FF00h
04FFFFh
Block 4 (64KB)
040000h
0400FFh
07FF00h
07FFFFh
Block 7 (64KB)
070000h
0700FFh
08FF00h
08FFFFh
Block 8 (64KB)
080000h
0800FFh
0FFF00h
0FFFFFh
Block 15 (64KB)
0F0000h
0F00FFh
003000h
0030FFh
002000h
0020FFh
001000h
0010FFh
Column Decode
And 256-Byte Page Buffer
Beginning
Page Address
Ending
Page Address
W2
5Q
80B
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
rite
Protect
Lo
gi
cand
R
ow
De
co
de
000000h
0000FFh
SFDP Register
00FF00h
00FFFFh
Block 0 (64KB)
000000h
0000FFh
03FF00h
03FFFFh
Block 3 (64KB)
030000h
0300FFh
04FF00h
04FFFFh
Block 4 (64KB)
040000h
0400FFh
07FF00h
07FFFFh
Block 7 (64KB)
070000h
0700FFh
08FF00h
08FFFFh
Block 8 (64KB)
080000h
0800FFh
0FFF00h
0FFFFFh
Block 15 (64KB)
0F0000h
0F00FFh