IS25LP032D-RBLE datasheet(93/118 Pages) ISSI

部件名	IS25LP032D-RBLE

功能描述	SERIAL FLASH MEMORY WITH 133MHZ MULTI I/O SPI & QUAD I/O QPI DTR INTERFACE

PDF	118 Pages

Scroll/Zoom	100%

制造商	ISSI [Integrated Silicon Solution, Inc]

网页	http://www.issi.com

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93 / 118 page

IS25LP032D

IS25WP032D

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

Rev. A12

08/04/2020

8.42 SECTOR LOCK/UNLOCK FUNCTIONS

SECTOR UNLOCK OPERATION (SECUNLOCK, 26h)

The Sector Unlock command allows the user to select a specific sector to allow program and erase operations.

This instruction is effective when the blocks are designated as write-protected through the BP0, BP1, BP2, and

BP3 bits in the Status Register. Only one sector can be enabled at any time. To enable a different sector, a

previously enabled sector must be disabled by executing a Sector Lock command. The instruction code is followed

by a 24-bit address specifying the target sector, but A0 through A11 are not decoded. The remaining sectors within

the same block remain as read-only.

Figure 8.70 Sector Unlock Sequence In SPI Mode

Instruction = 26h

CE #

SCK

3-byte Address

High Impedance

...

Mode 3

Mode 0

Figure 8.71 Sector Unlock Sequence In QPI Mode

26h

CE#

SCK

IO[3:0]

3-byte Address

Mode 3

Mode 0

23:20 19:16 15:12 11:8

7:4

3:0

Instruction

IS25LP032D-RBLE 数据表(PDF) 93 Page - Integrated Silicon Solution, Inc

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