W25Q128FW データシートの表示（PDF） - Winbond
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コンポーネント説明
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W25Q128FW Datasheet PDF : 96 Pages
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W25Q128FW
5. BLOCK DIAGRAM
SFDP Register
000000h
0000FFh
Block Segmentation
xxFF00h
•
xxF000h
Sector 15 (4KB)
xxFFFFh
•
xxF0FFh
xxEF00h
•
xxE000h
Sector 14 (4KB)
xxEFFFh
•
xxE0FFh
xxDF00h
•
xxD000h
Sector 13 (4KB)
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) or
/RESET (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 1 - 3
003000h
002000h
001000h
0030FFh
0020FFh
0010FFh
FFFF00h
FFFFFFh
•
Block 255 (64KB)
•
FF0000h
FF00FFh
•
•
•
80FF00h
80FFFFh
•
Block 128 (64KB)
•
800000h
8000FFh
7FFF00h
7FFFFFh
•
Block 127 (64KB)
•
7F0000h
7F00FFh
•
•
•
40FF00h
40FFFFh
•
Block 64 (64KB)
•
400000h
4000FFh
3FFF00h
3FFFFFh
•
Block 63 (64KB)
•
3F0000h
3F00FFh
•
•
•
00FF00h
•
000000h
Block 0 (64KB)
00FFFFh
•
0000FFh
Beginning
Page Address
Ending
Page Address
Column Decode
And 256-Byte Page Buffer
Figure 2. W25Q128FW Serial Flash Memory Block Diagram
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Publication Release Date: February 17, 2014
Revision G
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