DA28F320S5-110 View Datasheet(PDF) - Intel

Part Name

Description

Manufacturer

DA28F320S5-110

WORD-WIDE FlashFile™ MEMORY FAMILY

Intel 

28F160S5, 28F320S5

E

Start

Device

Supports

Queuing

Yes

Set Time-Out

Issue Block Queue

Erase Command 28H,

Block Address

No

Read Extended Status

Register

Erase Block 0=No

Time-Out?

Is Queue

Available?

XSR.7=

1=Yes

Another

Block

Yes

Erase?

Yes

Yes

Issue Erase Command

28H Block Address

1=No

Read Extended

No

Status Register

Bus Command

Comments

Operation

Write Erase Block Data = 28h or 20h

Addr = Block Address

Read

XSR.7=valid

Addr = X

Standby

Check XSR.7

1 = Erase queue available

0 = No Erase queue available

Write Erase Block Data = 28H

Addr = Block Address

Read

SR.7=valid; SR.6-0=X

With the device enabled,

OE# low updates SR

Addr = X

Standby

Check XSR.7

1 = Erase queue available

0 = No Erase queue available

Write

Erase Data = D0H

(Note 1) Confirm Addr = X

No

Read

Status Register data

With the device enabled,

OE# low updates SR

Addr = X

Standby

Check SR.7

1 = WSM ready

0 = WSM busy

1. The Erase Confirm byte must follow Erase Setup when

the Erase Queue status (XSR.7)=0.

Full status check can be done after all Erase and Write

sequences complete. Write FFh after the last

operation to reset the device to Read Array mode.

Is Queue

Full?

XSR.7=

0=Yes

Write Confirm D0H

Block Address

Issue Single Block

Erase Command 20H,

Block Address

Write Confirm D0H

Block Address

Issue Read

Status Command

34

Another

Block

Erase?

No

Read

Status Register

SR.7 =

0

1

Full Status

Check if Desired

Erase Flash

Block(s) Complete

No

Suspend

Erase

Suspend

Erase Loop

Yes

Figure 9. Block Erase Flowchart

0609_10

ADVANCE INFORMATION

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