4800 Great America Parkway, Suite 202

Tel: 408-235-8680

Santa Clara, CA 95054

Fax: 408-235-8685

6

EN29F800

Rev. E, Issue Date: 2001/07/05

TABLE 3. OPERATING MODES

8M FLASH USER MODE TABLE

DQ8-DQ15

Operation

CE#

OE#

WE

#

Reset#

A0-

A18

DQ0-DQ7

Byte#

Byte#

Read

L

L

H

H

High-Z

Write

L

H

L

H

High-Z

CMOS Standby

X

X

X

High-Z

High-Z

High-Z

TTL Standby

H

X

X

H

X

High-Z

High-Z

High-Z

Output Disable

L

H

H

H

X

High-Z

High-Z

High-Z

Hardware Reset

X

X

X

L

X

High-Z

High-Z

High-Z

Temporary

Sector Unprotect

X

X

X

X

Notes:

TABLE 4. DEVICE IDENTIFICTION

8M FLASH MANUFACTURER/DEVICE ID TABLE

Note:

1. If a manufacturing ID is read with A8=L, the chip will output a configuration code 7Fh. A further Manufacturing ID must be

read with A8=H.

2. If a device ID is read with A8=L, the chip will output configuration code 7Fh. A further Device ID must be read with A8=H.

Description

Mode

A18

to

A12

A11

to

A10

A9

A8

A7

A6

A5

to

A2

A1

A0

DQ8

to

DQ15

DQ7 to

DQ0

Manufacturer ID:

EON

L

L

H

X

X

H

1

X

L

X

L

L

X

1Ch

Word

L

L

H

22h

89h

Device ID

(top boot

block)

Byte

L

L

H

X

X

H

1

X

L

X

L

H

X

89h

Word

L

L

H

22h

8Ah

Device ID

(bottom boot

block)

Byte

L

L

H

X

X

H

1

X

L

X

L

H

X

8Ah

X

01h

(Unprotected)

Sector Protection

Verification

L

L

H

SA

X

H

1

X

L

X

H

L

X

00h

(Protected)

OE

CE

WE