EN25S80A Datasheet, PDF(11/66 Page) Eon Silicon Solution Inc. – 8 Megabit 1.8V Serial Flash Memory with 4Kbyte Uniform Sector

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EN25S80A Datasheet, PDF (11/66 Pages) Eon Silicon Solution Inc. – 8 Megabit 1.8V Serial Flash Memory with 4Kbyte Uniform Sector

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Table 4A. Instruction Set

EN25S80A

Instruction Name

Byte 1

Code

Byte 2

Byte 3

RSTEN

66h

RST(1)

99h

EQPI

38h

RSTQIO(2)

Release Quad I/O or FFh

Fast Read Enhanced

Mode

Write Enable

06h

Write Disable / Exit

OTP mode

04h

Read Status

05h

Read Suspend

Status Register

09h

Write Status

01h

(S7-S0)(3)

S7-S0

Page Program

02h

A23-A16 A15-A8

Write Suspend

B0h

Write Resume

30h

Sector Erase / OTP

erase

20h

Block Erase

D8h

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

Read SFDP mode

and Unique ID

5Ah

Number

dummy

(M7-M0)

dummy

(ID15-ID8)

A23-A16 A15-A8

Byte 4 Byte 5

A7-A0

D7-D0

A7-A0

dummy (ID7-ID0)

00h

01h

(ID7-ID0)

(M7-M0)

(ID7-ID0)

(7)

A7-A0

dummy

Byte 6 n-Bytes

continuous(4)

Next byte continuous

(5)

(ID7-ID0) (6)

(M7-M0)

(D7-D0)

(Next Byte)

continuous

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: 2014/01/20

www.eonssi.com

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