25Q80BW データシートの表示（PDF） - Winbond
部品番号
コンポーネント説明
メーカー
25Q80BW Datasheet PDF : 71 Pages
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W25Q80BW
6. BLOCK DIAGRAM
Block Segmentation
xxFF00h
•
xxF000h
xxEF00h
•
xxE000h
xxDF00h
•
xxD000h
Sector 15 (4KB)
Sector 14 (4KB)
Sector 13 (4KB)
xxFFFFh
•
xxF0FFh
xxEFFFh
•
xxE0FFh
xxDFFFh
•
xxD0FFh
•
•
•
xx2F00h
•
xx2000h
xx1F00h
•
xx1000h
xx0F00h
•
xx0000h
Sector 2 (4KB)
Sector 1 (4KB)
Sector 0 (4KB)
xx2FFFh
•
xx20FFh
xx1FFFh
•
xx10FFh
xx0FFFh
•
xx00FFh
/WP (IO2)
Write Control
Logic
Status
Register
/HOLD (IO3)
CLK
/CS
DI (IO0)
DO (IO1)
SPI
Command &
Control Logic
High Voltage
Generators
Page Address
Latch / Counter
Data
Byte Address
Latch / Counter
Security Register 3 - 0
003000h
002000h
001000h
000000h
0030FFh
0020FFh
0010FFh
0000FFh
FFF00h
FFFFFh
•
Block 15 (64KB)
•
F0000h
F00FFh
•
•
•
8FF00h
•
80000h
7FF00h
•
70000h
4FF00h
•
40000h
3FF00h
•
30000h
00FF00h
•
000000h
Block 8 (64KB)
Block 7 (64KB)
•
•
•
Block 4 (64KB)
Block 3 (64KB)
•
•
•
Block 0 (64KB)
8FFFFh
•
800FFh
7FFFFh
•
700FFh
4FFFFh
•
400FFh
3FFFFh
•
300FFh
00FFFFh
•
0000FFh
Beginning
Page Address
Ending
Page Address
Column Decode
And 256-Byte Page Buffer
Figure 2. W25Q80BW Serial Flash Memory Block Diagram
-8-
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