IS25LP016D-RLLA3 datasheet(69/114 Pages) ISSI

69 / 114 page

IS25LP016D

IS25WP016D

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

Rev. B10

03/09/2020

8.30 READ PRODUCT IDENTIFICATION BY JEDEC ID OPERATION (RDJDID, 9Fh; RDJDIDQ, AFh)

The JEDEC ID READ instruction allows the user to read the manufacturer and product ID of devices. Refer to Table

8.5 Product Identification for Manufacturer ID and Device ID. After the JEDEC ID READ command (9Fh in SPI

mode and QPI mode, AFh in QPI mode) is input, the Manufacturer ID is shifted out MSB first followed by the 2-

byte electronic ID (ID15-ID0) that indicates Memory Type and Capacity, one bit at a time. Each bit is shifted out

during the falling edge of SCK. If CE# stays low after the last bit of the 2-byte electronic ID, the Manufacturer ID

and 2-byte electronic ID will loop until CE# is pulled high.

Figure 8.52 RDJDID (Read JEDEC) Sequence ID In SPI Mode

Instruction = 9Fh

Memory Type

(ID15-ID8)

CE #

SCK

Capacity

(ID7-ID0)

...

Mode 3

Mode 0

Manufacturer ID

(MF7-MF0)

Figure 8.53 RDJDID and RDJDIDQ (Read JEDEC ID) Sequence In QPI Mode

9Fh/AFh

CE#

SCK

IO[3:0]

Mode 3

Mode 0

7:4

3:0

7:4

3:0

7:4

3:0

MF7-MF0

ID15-ID8

ID7-ID0

IS25LP016D-RLLA3 数据表(PDF) 69 Page - Integrated Silicon Solution, Inc

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