M58WR032KU70ZA6U NUMONYX, M58WR032KU70ZA6U Datasheet - Page 111

• Manufacturer Part Number: M58WR032KU70ZA6U
• Description: NUMM58WR032KU70ZA6U NUM 32MB NOR FLASH P
• Manufacturer: NUMONYX

M58WRxxxKU, M58WRxxxKL
Figure 26. Locking operations flowchart and pseudocode
1. Any address within the bank can equally be used.
01h, D0h or 2Fh
Write FFh (1)
Write 60h (1)
Write 90h (1)
Read Block
Lock States
confirmed?
Locking
change
Write
Start
End
YES
NO
locking_operation_command (address, lock_operation) {
}
writeToFlash (address, 0xFF) ; /*Reset to Read Array mode*/
writeToFlash (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 (address, 0x90) ;
/*Check the locking state (see Read Block Signature table )*/
error_handler () ;
/*see note (1) */
/*see note (1) */
/* see note (1) */
Flowcharts and pseudocodes
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AI06176b