
W25Q16CV
Publication Release Date: April 01, 2011
- 11 -
Revision C
5. BLOCK DIAGRAM
Figure 2. W25Q16CV Serial Flash Memory Block Diagram
003000h
0030FFh
002000h
0020FFh
001000h
0010FFh
Column Decode
And 256-Byte Page Buffer
Beginning
Page Address
Ending
Page Address
W25Q16C
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
00FF00h
00FFFFh
Block 0 (64KB)
000000h
0000FFh
07FF00h
07FFFFh
Block 7 (64KB)
070000h
0700FFh
08FF00h
08FFFFh
Block 8 (64KB)
080000h
0800FFh
0FFF00h
0FFFFFh
Block 15 (64KB)
0F0000h
0F00FFh
10FF00h
10FFFFh
Block 16 (64KB)
100000h
1000FFh
1FFF00h
1FFFFFh
Block 31 (64KB)
1F0000h
1F00FFh
000000h
0000FFh
SFDP Register
003000h
0030FFh
002000h
0020FFh
001000h
0010FFh
Column Decode
And 256-Byte Page Buffer
Beginning
Page Address
Ending
Page Address
W25Q16C
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
00FF00h
00FFFFh
Block 0 (64KB)
000000h
0000FFh
07FF00h
07FFFFh
Block 7 (64KB)
070000h
0700FFh
08FF00h
08FFFFh
Block 8 (64KB)
080000h
0800FFh
0FFF00h
0FFFFFh
Block 15 (64KB)
0F0000h
0F00FFh
10FF00h
10FFFFh
Block 16 (64KB)
100000h
1000FFh
1FFF00h
1FFFFFh
Block 31 (64KB)
1F0000h
1F00FFh
000000h
0000FFh
SFDP Register