M28W320FCT70ZB6E Micron Technology Inc, M28W320FCT70ZB6E Datasheet - Page 62
M28W320FCT70ZB6E
Manufacturer Part Number
M28W320FCT70ZB6E
Description
Manufacturer
Micron Technology Inc
Datasheet
1.M28W320FCT70ZB6E.pdf
(69 pages)
Specifications of M28W320FCT70ZB6E
Cell Type
NOR
Density
32Mb
Access Time (max)
70ns
Interface Type
Parallel
Boot Type
Top
Address Bus
21b
Operating Supply Voltage (typ)
3/3.3V
Operating Temp Range
-40C to 85C
Package Type
TFBGA
Sync/async
Asynchronous
Operating Temperature Classification
Industrial
Operating Supply Voltage (min)
2.7V
Operating Supply Voltage (max)
3.6V
Word Size
16b
Number Of Words
2M
Supply Current
18mA
Mounting
Surface Mount
Pin Count
47
Lead Free Status / Rohs Status
Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
M28W320FCT70ZB6E
Manufacturer:
Micron Technology Inc
Quantity:
10 000
Part Number:
M28W320FCT70ZB6E
Manufacturer:
ST
Quantity:
20 000
Figure 22. Locking Operations Flowchart and Pseudo Code
62/69
01h, D0h or 2Fh
Read Block
Lock States
confirmed?
Write FFh
Write 60h
Write 90h
Locking
change
Write
Start
End
YES
NO
locking_operation_command (address, lock_operation) {
}
writeToFlash (any_address, 0xFF) ; /*Reset to Read Array mode*/
writeToFlash (any_address, 0x60) ; /*configuration setup*/
if (lock_operation==LOCK) /*to protect the block*/
else if (lock_operation==UNLOCK) /*to unprotect the block*/
else if (lock_operation==LOCK-DOWN) /*to lock the block*/
if (readFlash (address) ! = locking_state_expected)
writeToFlash (address, 0x01) ;
writeToFlash (address, 0xD0) ;
writeToFlash (address, 0x2F) ;
writeToFlash (any_address, 0x90) ;
/*Check the locking state (see Read Block Signature table )*/
error_handler () ;
AI04364