W25X10BL Datasheet, PDF (8/53 Pages) Winbond – 1M-BIT, 2M-BIT AND 4M-BIT 2.5V SERIAL FLASH MEMORY WITH 4KB SECTORS AND DUAL I/O SPI

W25X10BL/20BL/40BL
7. BLOCK DIAGRAM
Block Segmentation
xxFF00h
•
Sector 15 (4KB)
xxF000h
xxFFFFh
•
xxF0FFh
xxEF00h
•
Sector 14 (4KB)
xxE000h
xxEFFFh
•
xxE0FFh
xxDF00h
•
Sector 13 (4KB)
xxD000h
xxDFFFh
•
xxD0FFh
•
•
•
xx2F00h
•
xx2000h
xx1F00h
•
xx1000h
xx0F00h
•
xx0000h
Sector 2 (4KB)
Sector 1 (4KB)
Sector 0 (4KB)
xx2FFFh
•
xx20FFh
xx1FFFh
•
xx10FFh
xx0FFFh
•
xx00FFh
/WP
Write Control
Logic
Status
Register
/HOLD
CLK
/CS
DIO (IO0)
DO (IO1)
SPI
Command &
Control Logic
High Voltage
Generators
Page Address
Latch / Counter
Data
Byte Address
Latch / Counter
07FF00h
•
070000h
Block 7 (64KB)
07FFFFh
•
0700FFh
•
•
•
04FF00h
•
040000h
03FF00h
•
030000h
Block 4 (64KB)
Block 3 (64KB)
04FFFFh
•
0400FFh
03FFFFh
•
0300FFh
•
•
•
01FF00h
•
Block 1 (64KB)
010000h
00FF00h
•
Block 0 (64KB)
000000h
01FFFFh
•
0100FFh
00FFFFh
•
0000FFh
Beginning
Page Address
Ending
Page Address
Column Decode
And 256-Byte Page Buffer
Figure 2. W25X10BL/20BL/40BL Block Diagram
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