S25FL128P Meet Spansion Inc., S25FL128P Datasheet - Page 27

• Manufacturer Part Number: S25FL128P
• Description: 128 Megabit Cmos 3.0 Volt Flash Memory With 104 Mhz Spi Serial Peripheral Interface Bus
• Manufacturer: Meet Spansion Inc.

July 2, 2007 S25FL128P_00_04
SCK
CS#
SO
Bit
SI
7
6
5
4
3
2
1
0
Mode 3
Mode 0
Hi-Z
Status Register Bit
D a t a
Don’t Care
SRWD
WEL
BP3
BP2
BP1
BP0
WIP
0
1
Figure 11.10 Read Status Register (RDSR) Command Sequence
S h e e t
Table 11.4 S25FL128P Status Register (Uniform 64 KB sector)
Command
2
3
4
Status Register Write
Write Enable Latch
5
Write in Progress
( P r e l i m i n a r y )
Block Protect
Bit Function
6
Disable
—
7
S25FL128P
MSB
7 6 5 4 3 2 1 0 7 6 5 4 3 2 1 0 7
8
Status Register Out
9
10
11
1 = Protects when WP#/ACC is low
0 = No protection, even when WP#/ACC is low
—
0000–1111= Protects upper half of address range in 8 sizes.
1 = Device accepts Write Status Register, program, or erase commands
0 = Ignores Write Status Register, program, or erase commands
1 = Device Busy. A Write Status Register, program, or erase operation is
in progress
0 = Ready. Device is in standby mode and can accept commands.
12
13
14
15
MSB
Status Register Out
Description
27