EN25Q128 Datasheet, PDF(15/57 Page) Eon Silicon Solution Inc. – 128 Megabit Serial Flash Memory with 4Kbyte Uniform Sector

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EN25Q128 Datasheet, PDF (15/57 Pages) Eon Silicon Solution Inc. – 128 Megabit Serial Flash Memory with 4Kbyte Uniform Sector

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Table 4A. Instruction Set

EN25Q128

Instruction Name

Byte 1

Code

Byte 2

Byte 3

EQPI

38h

RSTQIO(2)

FFh

RSTEN

66h

RST(1)

99h

Write Enable

06h

Write Disable / Exit

OTP mode

04h

Read Status

05h

Write Status

01h

Page Program

02h

Sector Erase / OTP

erase

20h

Block Erase

D8h

(S7-S0)(3)

S7-S0

A23-A16 A15-A8

Chip Erase

C7h/ 60h

Deep Power-down B9h

Release from Deep

Power-down, and

read Device ID

ABh

Release from Deep

Power-down

Manufacturer/

Device ID

90h

Read Identification 9Fh

Enter OTP mode

3Ah

dummy

(M7-M0)

dummy

(ID15-ID8)

Byte 4 Byte 5

A7-A0

D7-D0

dummy (ID7-ID0)

00h

01h

(ID7-ID0)

(M7-M0)

(ID7-ID0)

(7)

Byte 6 n-Bytes

continuous(4)

Next byte continuous

(5)

(ID7-ID0) (6)

(M7-M0)

Notes:

1. RST command only executed if RSTEN command is executed first. Any intervening command will disable Reset.

2. Device accepts eight-clocks command in Standard SPI mode, or two-clocks command in Quad SPI mode

3. Data bytes are shifted with Most Significant Bit first. Byte fields with data in parenthesis â( )â indicate data being read from the

device on the DO pin

4. The Status Register contents will repeat continuously until CS# terminate the instruction

5. The Device ID will repeat continuously until CS# terminates the instruction

6. The Manufacturer ID and Device ID bytes will repeat continuously until CS# terminates the instruction.

00h on Byte 4 starts with MID and alternate with DID, 01h on Byte 4 starts with DID and alternate with MID

7. (M7-M0) : Manufacturer, (ID15-ID8) : Memory Type, (ID7-ID0) : Memory Capacity

This Data Sheet may be revised by subsequent versions

or modifications due to changes in technical specifications.

Rev. J, Issue Date: 2011/09/19

www.eonssi.com

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