參數(shù)資料
型號(hào): M58WR064EB85ZB6T
廠商: NUMONYX
元件分類: PROM
英文描述: 4M X 16 FLASH 1.8V PROM, 85 ns, PBGA56
封裝: 7.70 X 9 MM, 0.75 MM PITCH, VFBGA-56
文件頁(yè)數(shù): 69/81頁(yè)
文件大?。?/td> 539K
代理商: M58WR064EB85ZB6T
71/81
M58WR064ET, M58WR064EB
Figure 25. Locking Operations Flowchart and Pseudo Code
Write
01h, D0h or 2Fh
AI06176
Read Block
Lock States
YES
NO
Locking
change
confirmed?
Start
Write 60h
locking_operation_command (address, lock_operation) {
writeToFlash (bank_address, 0x60) ; /*configuration setup*/
if (readFlash (address) ! = locking_state_expected)
error_handler () ;
/*Check the locking state (see Read Block Signature table )*/
writeToFlash (bank_address, 0xFF) ; /*Reset to Read Array mode*/
}
Write FFh
Write 90h
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 (bank_address, 0x90) ;
相關(guān)PDF資料
PDF描述
M58WR064KU70ZA6U 4M X 16 FLASH 1.8V PROM, 70 ns, PBGA44
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參數(shù)描述
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