M58LR128KB datasheet(92/110 Pages) NUMONYX

부품명	M58LR128KB

상세설명	128 or 256 Mbit (횞16, multiple bank, multilevel interface, burst) 1.8 V supply Flash memories

PDF	110 Pages

Scroll/Zoom	100%

제조업체	NUMONYX [Numonyx B.V]

홈페이지	http://www.numonyx.com

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92 / 110 page

Flowcharts and pseudocodes

M58LR128KT, M58LR128KB, M58LR256KT, M58LR256KB

92/111

Figure 19. Blank check flowchart and pseudocode

Any address within the bank can equally be used.

If an error is found, the Status Register must be cleared before further Program/Erase operations.

Write Block

Address & BCh

Start

SR7 = 1

Write Block

Address & CBh

Read

Status Register (1)

SR4 = 1

SR5 = 1

SR5 = 0

YES

Command Sequence

Error (2)

YES

Blank Check Error (2)

End

blank_check_command (blockToCheck) {

writeToFlash (blockToCheck, 0xBC);

writeToFlash (blockToCheck, 0xCB);

/* Memory enters read status state after

the Blank Check Command */

do {

status_register = readFlash (blockToCheck);

/* see note (1) */

/* E or G must be toggled */

} while (status_register.SR7==0);

if (status_register.SR4==1) && (status_register.SR5==1)

/* command sequence error */

error_handler () ;

if (status_register.SR5==1)

/* Blank Check error */

error_handler () ;

}

ai10520c

M58LR128KB 데이터시트(PDF) 92 Page - Numonyx B.V

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