GPR25L005E datasheet(16/38 Pages) GENERALPLUS

16 / 38 page

GPR25L005E

Proprietary & Confidential

Aug. 08, 2011

Version: 1.0

device transition to standby mode is immediate. If the device

was previously in Deep Power-down mode, there's a delay of

tRES2 to transit to standby mode, and CS# must remain to high at

least tRES2(max). Once in the standby mode, the device waits

to be selected, so it can be received, be decoded, and be

executed instruction.

The RDP instruction is for releasing from Deep Power Down

Mode.

9.15. Read Electronic Manufacturer ID & Device ID

(REMS)

The REMS instruction is an alternative to the Release from

Power-down/Device ID instruction that provides both the JEDEC

assigned manufacturer ID and the specific device ID.

The REMS instruction is very similar to the Release from

Power-down/Device ID instruction. The instruction is initiated by

driving the CS# pin low and shift the instruction code "90h"

followed by two dummy bytes and one bytes address (A7~A0).

After which, the Manufacturer ID (C2h) and the Device ID are

shifted out on the falling edge of SCLK with most significant bit

(MSB) first as shown in Figure 26. The Device ID values are

listed in Table of ID Definitions. If the one-byte address is initially

set to 01h, then the device ID will be read first and then followed

by the Manufacturer ID. The Manufacturer and Device IDs can

be read continuously, alternating from one to the other.

The

instruction is completed by driving CS# high.

Table of ID Definitions:

manufacturer ID

memory type

memory density

RDID Command

electronic ID

RES Command

manufacturer ID

device ID

REMS Command

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