M25P40 Serial Flash Embedded Memory
Command Set Overview
Table 5: Command Set Codes
Bytes
One-Byte
Command Code
0000
Command Name
Address
Dummy
Data
WRITE ENABLE
06h
04h
9Fh
9Eh
05h
01h
03h
0Bh
02h
D8h
C7h
B9h
ABh
0
0
0
0110
WRITE DISABLE
0000
0100
0
0
0
0
0
READ IDENTIFICATION
1001
1111
1 to 20
1001
1110
READ STATUS REGISTER
WRITE STATUS REGISTER
READ DATA BYTES
0000
0101
0
0
3
3
3
3
0
0
0
0
0
0
1
0
0
0
0
0
1 to ∞
0000
0001
1
1 to ∞
1 to ∞
1 to 256
0
0000
0011
READ DATA BYTES at HIGHER SPEED
PAGE PROGRAM
0000
1011
0000
0010
SECTOR ERASE
1101
1000
BULK ERASE
1100
0111
0
DEEP POWER-DOWN
RELEASE from DEEP POWER-DOWN
1011
1001
0
1010
1011
1 to ∞
PDF: 09005aef8456654f
m25p40.pdf - Rev. G 05/13 EN
Micron Technology, Inc. reserves the right to change products or specifications without notice.
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