M25PXX
Table 3. Instruction Set
Instruction
WREN
WRDI
RDID
RDSR
WRSR
READ
Description
Write Enable
Write Disable
Read Identification
Read Status Register
Write Status Register
Read Data Bytes
One-byte Instruction Code
0000 0110
0000 0100
1001 1111
0000 0101
0000 0001
0000 0011
0000 1011
0000 0010
1101 1000
1100 0111
1011 1001
06h
04h
9Fh
05h
01h
03h
0Bh
02h
D8h
C7h
B9h
Address
Bytes
0
0
0
0
0
3
3
3
3
0
0
0
1010 1011
ABh
0
0
Dummy
Bytes
0
0
0
0
0
0
1
0
0
0
0
3
Data
Bytes
0
0
1 to 3
1 to
∞
1
1 to
∞
1 to
∞
1 to 256
0
0
0
1 to
∞
0
FAST_READ Read Data Bytes at Higher Speed
PP
SE
BE
DP
Page Program
Sector Erase
Bulk Erase
Deep Power-down
Release from Deep Power-down,
and Read Electronic Signature
Release from Deep Power-down
RES
Table 4. Status Register Format
b7
SRWD
0
0
BP2
BP1
BP0
WEL
b0
WIP
Status Register
Write Protect
Block Protect Bits
Write Enable Latch Bit
Write In Progress Bit
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