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M58LR128KB Folha de dados(PDF) 97 Page - Numonyx B.V

Nome de Peças M58LR128KB
Descrição Electrónicos  128 or 256 Mbit (횞16, multiple bank, multilevel interface, burst) 1.8 V supply Flash memories
PDF  110 Pages
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Fabricante Electrônico  NUMONYX [Numonyx B.V]
Página de início  http://www.numonyx.com
Logo NUMONYX - Numonyx B.V

M58LR128KB Folha de dados(HTML) 97 Page - Numonyx B.V

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M58LR128KT, M58LR128KB, M58LR256KT, M58LR256KB
Flowcharts and pseudocodes
97/111
Figure 24.
Locking operations flowchart and pseudocode
1.
Any address within the bank can equally be used.
Write
01h, D0h or 2Fh
AI06176b
Read Block
Lock States
YES
NO
Locking
change
confirmed?
Start
Write 60h (1)
locking_operation_command (address, lock_operation) {
writeToFlash (address, 0x60) ; /*configuration setup*/
/* see note (1) */
if (readFlash (address) ! = locking_state_expected)
error_handler () ;
/*Check the locking state (see Read Block Signature table )*/
writeToFlash (address, 0xFF) ; /*Reset to Read Array mode*/
/*see note (1) */
}
Write FFh (1)
Write 90h (1)
End
if (lock_operation==LOCK) /*to protect the block*/
writeToFlash (address, 0x01) ;
else if (lock_operation==UNLOCK) /*to unprotect the block*/
writeToFlash (address, 0xD0) ;
else if (lock_operation==LOCK-DOWN) /*to lock the block*/
writeToFlash (address, 0x2F) ;
writeToFlash (address, 0x90) ;
/*see note (1) */



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