W25Q256JVEIQ-TR Datasheet, PDF (11/92 Pages) Winbond – 3V 256M-BIT SERIAL FLASH MEMORY WITH DUAL/QUAD SPI

W25Q256JV
5. BLOCK DIAGRAM
SFDP Register
000000h
0000FFh
Block Segmentation
xxFF00h
•
xxF000h
xxEF00h
•
xxE000h
xxDF00h
•
xxD000h
xxFFFFh
Sector 15 (4KB)
•
xxF0FFh
xxEFFFh
Sector 14 (4KB)
•
xxE0FFh
xxDFFFh
Sector 13 (4KB)
•
xxD0FFh
•
•
•
Security Register 1-3
003000h
002000h
001000h
0030FFh
0020FFh
0010FFh
01FFFF00h
01FFFFFFh
•
Block 511 (64KB)
•
01FF0000h
01FF00FFh
•
•
•
xx2F00h
•
xx2000h
xx1F00h
•
xx1000h
xx0F00h
•
xx0000h
Sector 2 (4KB)
Sector 1 (4KB)
Sector 0 (4KB)
xx2FFFh
•
xx20FFh
xx1FFFh
•
xx10FFh
xx0FFFh
•
xx00FFh
Write Control
Logic
Status
Register
CLK
/CS
Di(IO ₀ )
Do(IO₁)
IO₂
IO₃
SPI
Command &
Control Logic
High Voltage
Generators
Page Address
Latch / Counter
Data
Byte Address
Latch / Counter
0100FF00h
0100FFFFh
•
Block256 (64KB)
•
01000000h
010000FFh
00FFFF00h
00FFFFFFh
•
Block255 (64KB)
•
00FF0000h
00FF00FFh
•
•
•
0080FF00h
0080FFFFh
•
Block128 (64KB)
•
00800000h
008000FFh
007FFF00h
007FFFFFh
•
Block127 (64KB)
•
007F0000h
007F00FFh
•
•
•
0000FF00h
0000FFFFh
•
Block 0 (64KB)
•
00000000h
000000FFh
Beginning
Page Address
Ending
Page Address
Column Decode
And 256-Byte Page Buffer
Figure 2. W25Q256JV Serial Flash Memory Block Diagram
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Publication Release Date: September 20, 2016
Revision B