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M58LR128HT Folha de dados(PDF) 99 Page - STMicroelectronics

Nome de Peças M58LR128HT
Descrição Electrónicos  128 Mbit (8 Mb ×16, Multiple Bank, Multilevel interface, Burst) 1.8 V supply Flash memories
PDF  112 Pages
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Fabricante Electrônico  STMICROELECTRONICS [STMicroelectronics]
Página de início  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

M58LR128HT Folha de dados(HTML) 99 Page - STMicroelectronics

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M58LR128HT, M58LR128HB
Flowcharts and pseudocodes
99/112
Figure 25.
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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