W25Q80BV
- 10 -
5.
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
W
25
Q
8
0
BV
SPI
Command &
Control Logic
Byte Address
Latch / Counter
Status
Register
Write Control
Logic
Page Address
Latch / Counter
DO (IO
1
)
DI (IO
0
)
/CS
CLK
/HOLD (IO
3
)
/WP (IO
2
)
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
Prot
ec
t
Lo
g
ic
and
R
ow
D
e
c
o
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
W
25
Q
8
0
BV
SPI
Command &
Control Logic
Byte Address
Latch / Counter
Status
Register
Write Control
Logic
Page Address
Latch / Counter
DO (IO
1
)
DI (IO
0
)
/CS
CLK
/HOLD (IO
3
)
/WP (IO
2
)
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
Prot
ec
t
Lo
g
ic
and
R
ow
D
e
c
o
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