W39V080FA

Publication Release Date: Dec. 13, 2005

- 11 -

Revision A5

6.13 Table of Operating Modes

6.13.1 Operating Mode Selection - Programmer Mode

MODE

PINS

#OE

#WE

#RESET

ADDRESS

DQ.

Read

AIN

Dout

Write

AIN

Din

Standby

X

X

X

High Z

Write Inhibit

X

X

High Z/DOUT

X

X

High Z/DOUT

Output Disable

X

X

High Z

6.13.2 Operating Mode Selection - FWH Mode

Operation modes in FWH interface mode are determined by "START Cycle" when it is selected.

When it is not selected, its outputs (FWH[3:0]) will be disable. Please reference to the "FWH Cycle

Definition".

Table of Command Definition

COMMAND

NO. OF

1ST CYCLE

2ND CYCLE

3RD CYCLE

4TH CYCLE

5TH CYCLE

6TH CYCLE

DESCRIPTION

Cycles (1)

Addr. Data

Addr. Data

Addr. Data

Addr. Data

Addr. Data

Addr. Data

Read

1

Sector Erase

6

5555

AA

2AAA

55

5555

80

5555

AA

2AAA

55

SA

(5)

30

Byte Program

4

5555

AA

2AAA

55

5555

A0

Product ID Entry

3

5555

AA

2AAA

55

5555

90

Product ID Exit

(4)

3

5555

AA

2AAA

55

5555

F0

Product ID Exit

(4)

1

XXXX

F0

Notes:

1. The cycle means the write command cycle not the FWH clock cycle.

2. The Column Address / Row Address are mapped to the Low / High order Internal Address. i.e. Column Address

A[10:0] are mapped to the internal A[10:0], Row Address A[7:0] are mapped to the internal A[19:11]

3. Address Format: A14

−A0 (Hex); Data Format: DQ7-DQ0 (Hex)

4. Either one of the two Product ID Exit commands can be used.

5. SA: Sector Address

SA = FXXXXh for Unique Sector15 (Boot Sector)

SA = 7XXXXh for Unique Sector7

SA = EXXXXh for Unique Sector14

SA = 6XXXXh for Unique Sector6

SA = DXXXXh for Unique Sector13

SA = 5XXXXh for Unique Sector5

SA = CXXXXh for Unique Sector12

SA = 4XXXXh for Unique Sector4

SA = BXXXXh for Unique Sector11

SA = 3XXXXh for Unique Sector3

SA = AXXXXh for Unique Sector10

SA = 2XXXXh for Unique Sector2

SA = 9XXXXh for Unique Sector9

SA = 1XXXXh for Unique Sector1

SA = 8XXXXh for Unique Sector8

SA = 0XXXXh for Unique Sector0