M25PX64
Instructions
Table 5.
Instruction set
Description
Address Dummy
Data
bytes
Instruction
One-byte instruction code
bytes
bytes
WREN
WRDI
Write enable
Write disable
0000 0110
0000 0100
1001 1111
1001 1110
0000 0101
0000 0001
1110 0101
1110 1000
0000 0011
0000 1011
0011 1011
06h
04h
9Fh
9Eh
05h
01h
E5h
E8h
03h
0Bh
3Bh
0
0
0
0
0
0
3
3
3
3
3
0
0
0
0
0
0
0
0
0
1
1
0
0
1 to 20
1 to 3
1 to ∞
1
RDID
Read identification
RDSR
WRSR
WRLR
RDLR
READ
Read status register
Write status register
Write to lock register
Read lock register
Read data bytes
1
1
1 to ∞
1 to ∞
1 to ∞
FAST_READ Read data bytes at higher speed
DOFR
ROTP
Dual output fast read
Read OTP (read 64 bytes of OTP
area)
0100 1011
0100 0010
4Bh
42h
3
3
1
0
1 to 65
1 to 65
Program OTP (program 64 bytes of
OTP area)
POTP
PP
DIFP
SSE
SE
Page program
0000 0010
1010 0010
0010 0000
1101 1000
1100 0111
1011 1001
1010 1011
02h
A2h
20h
D8h
C7h
B9h
ABh
3
3
3
3
0
0
0
0
0
0
0
0
0
0
1 to 256
Dual input fast program
Subsector erase
1 to 256
0
0
0
0
0
Sector erase
BE
Bulk erase
DP
Deep power-down
Release from deep power-down
RDP
27/66
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