W25Q80BL
Publication Release Date: July 08, 2010
- 9 - Preliminary - Revision C
7. BLOCK DIAGRAM
Figure 2. W25Q80BL Serial Flash Memory Block Diagram
003000h 0030FFh
002000h 0020FFh
001000h 0010FFh
Column Decode
And 256-Byte Page Buffer
Beginning
Page Address
Ending
Page Address
W25Q80BL
SPI
Command &
Control Logic
Byte Address
Latch / Counter
Status
Register
Write Control
Logic
Page Address
Latch / Counter
DO (IO
1
)
DI (IO
0
)
/CS
CLK
/HOLD (IO
3
)
/WP (IO
2
)
High Voltage
Generators
xx0F00h xx0FFFh
• Sector 0 (4KB) •
xx0000h xx00FFh
xx1F00h xx1FFFh
• Sector 1 (4KB) •
xx1000h xx10FFh
xx2F00h xx2FFFh
• Sector 2 (4KB) •
xx2000h xx20FFh
•
•
•
xxDF00h xxDFFFh
• Sector 13 (4KB) •
xxD000h xxD0FFh
xxEF00h xxEFFFh
• Sector 14 (4KB) •
xxE000h xxE0FFh
xxFF00h xxFFFFh
• Sector 15 (4KB) •
xxF000h xxF0FFh
Block Segmentation
Data
Security Register 1 - 3
Write Protect Logic and Row Decode
000000h 0000FFh
SFDP Register
00FF00h 00FFFFh
• Block 0 (64KB) •
000000h 0000FFh
•
•
•
03FF00h 03FFFFh
• Block 3 (64KB) •
030000h 0300FFh
04FF00h 04FFFFh
• Block 4 (64KB) •
040000h 0400FFh
•
•
•
07FF00h 07FFFFh
• Block 7 (64KB) •
070000h 0700FFh
08FF00h 08FFFFh
• Block 8 (64KB) •
080000h 0800FFh
•
•
•
0FFF00h 0FFFFFh
• Block 15 (64KB) •
0F0000h 0F00FFh
003000h 0030FFh
002000h 0020FFh
001000h 0010FFh
Column Decode
And 256-Byte Page Buffer
Beginning
Page Address
Ending
Page Address
W25Q80BL
SPI
Command &
Control Logic
Byte Address
Latch / Counter
Status
Register
Write Control
Logic
Page Address
Latch / Counter
DO (IO
1
)
DI (IO
0
)
/CS
CLK
/HOLD (IO
3
)
/WP (IO
2
)
High Voltage
Generators
xx0F00h xx0FFFh
• Sector 0 (4KB) •
xx0000h xx00FFh
xx1F00h xx1FFFh
• Sector 1 (4KB) •
xx1000h xx10FFh
xx2F00h xx2FFFh
• Sector 2 (4KB) •
xx2000h xx20FFh
•
•
•
xxDF00h xxDFFFh
• Sector 13 (4KB) •
xxD000h xxD0FFh
xxEF00h xxEFFFh
• Sector 14 (4KB) •
xxE000h xxE0FFh
xxFF00h xxFFFFh
• Sector 15 (4KB) •
xxF000h xxF0FFh
Block Segmentation
Data
Security Register 1 - 3
Write Protect Logic and Row Decode
000000h 0000FFh
SFDP Register
00FF00h 00FFFFh
• Block 0 (64KB) •
000000h 0000FFh
•
•
•
03FF00h 03FFFFh
• Block 3 (64KB) •
030000h 0300FFh
04FF00h 04FFFFh
• Block 4 (64KB) •
040000h 0400FFh
•
•
•
07FF00h 07FFFFh
• Block 7 (64KB) •
070000h 0700FFh
08FF00h 08FFFFh
• Block 8 (64KB) •
080000h 0800FFh
•
•
•
0FFF00h 0FFFFFh
• Block 15 (64KB) •
0F0000h 0F00FFh