IS25LP032D-RKLA3 datasheet(73/118 Pages) ISSI

73 / 118 page

IS25LP032D

IS25WP032D

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

Rev. A12

08/04/2020

8.29 READ PRODUCT IDENTIFICATION (RDID, ABh)

The Release from Power-down/Read Device ID instruction is a multi-purpose instruction. It can support both SPI

and QPI modes. The Read Product Identification (RDID) instruction is for reading out the old style of 8-bit Electronic

Signature, whose values are shown as table of Product Identification.

The RDID instruction code is followed by three dummy bytes, each bit being latched-in on SI during the rising SCK

edge. Then the Device ID is shifted out on SO with the MSB first, each bit been shifted out during the falling edge

of SCK. The RDID instruction is ended by driving CE# high. The Device ID (ID7-ID0) outputs repeatedly if additional

clock cycles are continuously sent to SCK while CE# is at low.

Table 8.5 Product Identification

Manufacturer ID

(MF7-MF0)

ISSI Serial Flash

9Dh

Instruction

ABh

90h

9Fh

Part Number

Device ID (ID7-ID0)

Memory Type + Capacity

(ID15-ID0)

IS25LP032D

15h

6016h

IS25WP032D

15h

7016h

Figure 8.50 Read Product Identification Sequence In SPI Mode

Device ID

(ID7-ID0)

Data Out

...

Instruction = ABh

CE #

SCK

...

Mode 3

Mode 0

3 Dummy Bytes

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