M28W640FST datasheet(48/55 Pages) STMICROELECTRONICS

部件名	M28W640FST

功能描述	32Mbit (2Mb x16) and 64Mbit (4Mb x16) 3V Supply, Boot Block, Secure Flash Memories

PDF	55 Pages

Scroll/Zoom	100%

制造商	STMICROELECTRONICS [STMicroelectronics]

网页	http://www.st.com

标志

48 / 55 page

M28W320FST, M28W320FSB, M28W640FST, M28W640FSB

48/55

Figure 18. Program Suspend & Resume Flowchart and Pseudo Code

Write 70h

AI03540b

Read Status

YES

b7 = 1

YES

b2 = 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 (any_address, 0x70) ;

/* read status register to check if

program has already completed */

do {

status_register=readFlash (any_address) ;

/* E or G must be toggled*/

} while (status_register.b7== 0) ;

if (status_register.b2==0) /*program completed */

{ writeToFlash (any_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 (any_address, 0xFF) ;

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

writeToFlash (any_address, 0xD0) ;

/*write 0xD0 to resume program*/

}

Write FFh

M28W640FST 数据表(PDF) 48 Page - STMicroelectronics

M28W640FST 数据表(HTML) 48 Page - STMicroelectronics

Html Pages

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55

数据表下载