M58WR064B100ZB6T datasheet(71/81 Pages) STMICROELECTRONICS

поискавой системы для электроныых деталей

M58WR064B100ZB6T датащи(PDF) 71 Page - STMicroelectronics

номер детали	M58WR064B100ZB6T

подробное описание детали	64 Mbit (4Mb x 16, Multiple Bank, Burst ) 1.8V Supply Flash Memory

PDF	81 Pages

Scroll/Zoom	100%

производитель	STMICROELECTRONICS [STMicroelectronics]

домашняя страница	http://www.st.com

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71 / 81 page

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M58WR064T, M58WR064B

Figure 24. Locking Operations Flowchart and Pseudo Code

Write

01h, D0h or 2Fh

AI06176

Read Block

Lock States

YES

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) ;

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