Micron M25P40 Serial Flash Embedded Memory
Command Set Overview
Table 5: Command Set Codes
Bytes
One-Byte
Command Name
Command Code
Address
Dummy
Data
WRITE ENABLE
0000
0110
06h
04h
9Fh
05h
01h
03h
0Bh
02h
D8h
C7h
B9h
ABh
0
0
0
WRITE DISABLE
0000
0100
0
0
0
0
3
3
3
3
0
0
0
0
0
0
0
0
1
0
0
0
0
0
0
1 to 20
1 to ∞
1
READ IDENTIFICATION
READ STATUS REGISTER
WRITE STATUS REGISTER
READ DATA BYTES
1001
1111
0000
0101
0000
0001
0000
0011
1 to ∞
1 to ∞
1 to 256
0
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. Y 8/12 EN
Micron Technology, Inc. reserves the right to change products or specifications without notice.
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