M58WR064EB datasheet(68/82 Pages) STMICROELECTRONICS

部品番号	M58WR064EB

部品情報	64 Mbit 4Mb x 16, Multiple Bank, Burst 1.8V Supply Flash Memory

PDF	82 Pages

Scroll/Zoom	100%

メーカー	STMICROELECTRONICS [STMicroelectronics]

ホームページ	http://www.st.com

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68 / 82 page

M58WR064ET, M58WR064EB

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Figure 24. Program Suspend & Resume Flowchart and Pseudo Code

Write 70h

AI06173

Read Status

YES

SR7 = 1

YES

SR2 = 1

Program Continues

Write D0h

Read data from

another address

Start

Write B0h

Program Complete

Write FFh

Read Data

program_suspend_command ( ) {

writeToFlash (any_address, 0xB0) ;

writeToFlash (bank_address, 0x70) ;

/* read status register to check if

program has already completed */

do {

status_register=readFlash (bank_address) ;

/* E or G must be toggled*/

} while (status_register.SR7== 0) ;

if (status_register.SR2==0) /*program completed */

{ writeToFlash (bank_address, 0xFF) ;

read_data ( ) ; /*read data from another block*/

/*The device returns to Read Array

(as if program/erase suspend was not issued).*/

}

else

{ writeToFlash (bank_address, 0xFF) ;

read_data ( ); /*read data from another address*/

writeToFlash (any_address, 0xD0) ;

/*write 0xD0 to resume program*/

}

Write FFh

M58WR064EB データシート(PDF) 68 Page - STMicroelectronics

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