mx25l3255d Macronix International Co., mx25l3255d Datasheet - Page 34

• Manufacturer Part Number: mx25l3255d
• Description: Security Serial Flash
• Manufacturer: Macronix International Co.

P/N: PM1431
Figure 14. Chip Unprotect (UNLOCK) Sequence (Command F3)
Figure 16. Read Block Protection Lock Status (RDBLOCK) Sequence (Command FB)
Figure 15. Read Data Bytes (READ) Sequence (Command 03)
CS#
SCLK
SI
SO
CS#
SCLK
SI
SO
0
1
High-Z
2
Command
3
FB
4
0
5
1
CS#
SCLK
SI
High-Z
6
2
command
7
3
MSB
03
23
8
4
22 21
9 10
5
3 Address Bytes
6
7
MSB
3
0
23
28 29 30 31 32 33 34 35
8
2
1
22 21
9 10
24-Bit Address
1
2
Command
34
0
3
F3
4
3
28 29 30 31 32 33 34 35
5
2
1 Dummy Bytes
6
1
Dummy
7
0
MSB
36 37 38 39 40 41 42 43 44 45 46 47
7
6
5
MX25L3255D
Data Out 1
4
MSB
7
3
Block Protection Lock status out
36 37 38
6
2
5
1
4
0
39
3
7
Data Out 2
REV. 0.03, MAR. 13, 2009
2
1
0