mx25l3237d Macronix International Co., mx25l3237d Datasheet - Page 39

• Manufacturer Part Number: mx25l3237d
• Description: Serial Flash Memory
• Manufacturer: Macronix International Co.

Figure 22. Sector Erase (SE) Sequence (Command 20)
P/N: PM1393
Note: (1) During CP mode, the valid commands are CP command (AD hex), WRDI command (04 hex), RDSR command
Note: SE command is 20(hex).
Figure 23. Block Erase (BE) Sequence (Command D8)
Note: BE command is D8(hex).
Figure 21. Continously Program (CP) Mode Sequence with Hardware Detection (Command AD)
CS#
SCLK
SI
S0
(05 hex), and RDSCUR command (2B hex).
(2) Once an internal programming operation begins, CS# goes low will drive the status on the SO pin and CS# goes
high will return the SO pin to tri-state.
(3) To end the CP mode, either reaching the highest unprotected address or sending Write Disable (WRDI) command
(04 hex) may achieve it and then it is recommended to send RDSR command (05 hex) to verify if CP mode is ended
high impedance
0 1
Command
AD (hex)
CS#
SCLK
SI
6 7 8 9
CS#
SCLK
SI
24-bit address
30 31 31
0
0
1
32
Byte 0, Byte1
1
data in
2
Command
2
Command
3
20
3
D8
4
4
47 48
5
5
6
39
6
0 1
7
Command (1)
MSB
23 22
7
MSB
8
Valid
23 22
8
9
6 7 8
24 Bit Address
9
24 Bit Address
Byte n-1, Byte n
status (2)
data in
20 21 22 23
2
29 30 31
2
29 30 31
MX25L3237D
1
1
24
0
0
0
04 (hex)
7
REV. 0.02, JUN. 13, 2008
0
05 (hex)
7
8