M58WR032FT datasheet(72/86 Pages) STMICROELECTRONICS

72 / 86 page

M58WR032FT, M58WR032FB

72/86

Figure 25. Program Suspend & Resume Flowchart and Pseudo Code

Note: The Read Status Register command (Write 70h) can be issued just before or just after the Program Resume command.

Write 70h

AI10117b

Read Status

YES

SR7 = 1

YES

SR2 = 1

Write D0h

Read data from

another address

Start

Write B0h

Program Complete

Write FFh

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 ( ) ;

/*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*/

writeToFlash (bank_address, 0x70) ;

/*read status register to check if program has completed */

}

Write FFh

Program Continues with

Bank in Read Status

Read Data

Write 70h(1)

M58WR032FT 데이터시트(PDF) 72 Page - STMicroelectronics

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