W25X40CL Datasheet, PDF (8/53 Pages) Winbond – 2.5/3/3.3 V 4M-BIT SERIAL FLASH MEMORY WITH 4KB SECTORS AND DUAL I/O SPI

W25X40CL
7. BLOCK DIAGRAM
Block Segmentation
xxFF00h
xxFFFFh
•
Sector 15 (4KB)
•
xxF000h
xxF0FFh
xxEF00h
xxEFFFh
•
Sector 14 (4KB)
•
xxE000h
xxE0FFh
xxDF00h
xxDFFFh
•
Sector 13 (4KB)
•
xxD000h
xxD0FFh
•
•
•
xx2F00h
•
Sector 2 (4KB)
xx2000h
xx1F00h
•
Sector 1 (4KB)
xx1000h
xx0F00h
•
Sector 0 (4KB)
xx0000h
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
•
Block 7 (64KB)
070000h
07FFFFh
•
0700FFh
•
•
•
04FF00h
•
Block 4 (64KB)
040000h
03FF00h
•
Block 3 (64KB)
030000h
04FFFFh
•
0400FFh
03FFFFh W25X40CL
•
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. W25X40CL Serial Flash Memory Block Diagram
Publication Release Date: October 15, 2012
-8-
Revision E