M58LR128HT datasheet(98/112 Pages) STMICROELECTRONICS

Part #	M58LR128HT

Description	128 Mbit (8 Mb ×16, Multiple Bank, Multilevel interface, Burst) 1.8 V supply Flash memories

PDF	112 Pages

Scroll/Zoom	100%

Manufacturer	STMICROELECTRONICS [STMicroelectronics]

Direct Link	http://www.st.com

Logo

98 / 112 page

Flowcharts and pseudocodes

M58LR128HT, M58LR128HB

98/112

Figure 24.

Erase Suspend & Resume flowchart and pseudocode

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

Write 70h

AI13893

Read Status

YES

SR7 = 1

YES

SR6 = 1

Erase Continues

Write D0h

Read data from another block,

Program,

Set Configuration Register or

Block Protect/Unprotect/Lock

Start

Write B0h

Erase Complete

Write FFh

Read Data

Write FFh

erase_suspend_command ( ) {

writeToFlash (bank_address, 0xB0) ;

writeToFlash (bank_address, 0x70) ;

/* read status register to check if

erase has already completed */

do {

status_register=readFlash (bank_address) ;

/* E or G must be toggled*/

} while (status_register.SR7== 0) ;

if (status_register.SR6==0) /*erase 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_program_data ( );

/*read or program data from another address*/

writeToFlash (bank_address, 0xD0) ;

/*write 0xD0 to resume erase*/

}

M58LR128HT Datasheet(PDF) 98 Page - STMicroelectronics

M58LR128HT Datasheet(HTML) 98 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 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 ...More

Datasheet Download

Link URL