IS25LE128E-RMLA3:P-TY datasheet(98/197 Pages) ISSI

Il numero della parte	IS25LE128E-RMLA3:P-TY

Spiegazioni elettronici	SERIAL FLASH MEMORY 133/166MHZ MULTI I/O SPI & QUAD I/O QPI DTR INTERFACE WITH ON-CHIP ECC

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Produttore elettronici	ISSI [Integrated Silicon Solution, Inc]

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IS25LE256E/128E

IS25WE256E/128E

Integrated Silicon Solution, Inc.- www.issi.com

Rev.A9

03/07/2023

8.16 WRITE ENABLE OPERATION (WREN, 06h)

The Write Enable (WREN) instruction is used to set the Write Enable Latch (WEL) bit. The WEL bit is reset to the

write-protected state after power-up. The WEL bit must be write enabled before any write operation, including

Sector Erase, Block Erase, Chip Erase, Page Program, Program Information Row, Write Status Register, Write

Function Register, Set Non-Volatile Read Register, Set Non-Volatile Extended Read Register, Write Autoboot

reset to the write-protected state automatically upon completion of a write operation. The WREN instruction is

required before any above operation is executed.

Figure 8.41 Write Enable Sequence In SPI Mode

Instruction = 06h

CE#

SCK

Mode 3

Mode 0

High Impedance

Figure 8.42 Write Enable Sequence In QPI Mode

06h

CE#

SCK

IO[3:0]

Mode 3

Mode 0

IS25LE128E-RMLA3:P-TY Scheda tecnica(PDF) 98 Page - Integrated Silicon Solution, Inc