W39V080FAQ datasheet(28/35 Pages) WINBOND

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W39V080FA

- 28 -

Timing Waveforms for FWH Interface Mode, continued

11.4 #DATA Polling Timing Diagram

Read the DQ7 to see if the internal write complete or not.

FWH4

#RESET

FWH[3:0]

Start

Load Address in 7 Clocks

CLK

1 Clock

2 Clocks

XXXXb

An[15:12]

Address

Sync

TAR

1111b

Tri-State

0000b

An[11:8]

An[7:4]

An[3:0]

Data out 2 Clocks

Dn7,xxx

Data

XXXXb

FWH4

#RESET

FWH[3:0]

Start

Load Address in 7 Clocks

CLK

1 Clock

2 Clocks

Address

Sync

TAR

1111b

Tri-State

0000b

Data out 2 Clocks

Data

When internal write complete, the DQ7 will equal to Dn7.

Dn7,xxx

XXXXb

An[15:12]

An[11:8]

An[7:4]

An[3:0]

FWH4

#RESET

FWH[3:0]

Start

Load Address "An" in 7 Clocks

CLK

1 Clock

2 Clocks

An[15:12]

Load Data "Dn"

in 2 Clocks

Dn[7:4]

Write the last command(program or erase) to the device in FWH mode.

Address

Sync

TAR

Data

1111b

Tri-State

0000b

An[11:8]

An[7:4]

An[3:0]

Dn[3:0]

IDSEL

0000b

M Size

XXXXb

An[A19:16]

XXXXb

An[19:16]

XXXXb

An[19:16]

XXXXb

1 Clock

2 Clocks

TAR

1111b

Tri-State

Next Start

1 Clock

2 Clocks

TAR

1111b

Tri-State

Next Start

1 Clock

2 Clocks

TAR

1111b

Tri-State

Next Start

1 Clock

0000b

1101b

1 Clock

0000b

1101b

1 Clock

0000b

1110b

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