IS25LP02GJ-RHLA3 datasheet(143/182 Pages) ISSI

Numer części	IS25LP02GJ-RHLA3

Szczegółowy opis	SERIAL FLASH MEMORY 166MHZ MULTI I/O SPI & QUAD I/O QPI DTR INTERFACE

PDF	182 Pages

Scroll/Zoom	100%

Producent	ISSI [Integrated Silicon Solution, Inc]

Strona internetowa	http://www.issi.com

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143 / 182 page

IS25LP02GJ

IS25WP02GJ

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

143

Rev.A

10/02/2025

8.49 EXIT 4-BYTE ADDRESS MODE OPERATION (EX4B, 29h)

In order to be backward compatible, the Exit 4-byte Address Mode instruction allows 24bit address (A23-A0) to be

used to access the memory array up to 128Mb. The Bank Address Register must be used to access the memory

array beyond 128Mb. To execute EX4B operation, the host drives CE# low, sends the instruction code and then

drives CE# high.

A Write Enable (WREN, 06h) command is not required prior to EX4B (29h) command.

Notes:

The EX4B instruction will reset the Bit 7 (EXTADD) of the volatile Bank Address Register to “0” ”, but will not

change the non-volatile Bank Address Register.

Option-X for UNPWD = 29h & EX4B = E9h.

Figure 8.103 Exit 4-byte Address Mode Sequence In SPI Mode

Instruction = 29h

CE#

SCK

Mode 3

Mode 0

High Impedance

Figure 8.104 Exit 4-byte Address Mode Sequence In QPI Mode

29h

CE#

SCK

IO[3:0]

Mode 3

Mode 0

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