JS28F128P33TF70 datasheet(74/88 Pages) NUMONYX

74 / 88 page

P33-65nm

Datasheet

Jul 2011

Order Number: 208034-04

Figure 31: Erase Suspend/Resume Flowchart

Erase

Completed

Read Array

Data

Read

Program

Loop

Read Array

Data

Start

Read Status

SR[7] =

SR[6] =

Erase

Resumed(1)

Read or

Program?

Done

Write

Idle

Write

Erase

Suspend

Read Array

or Program

None

Erase

Resume

Data = 0xB0

Addr = Any device address

Data = 0xFF or 0x40

Addr = Any address within the

suspended device

Check SR[7]:

1 = WSM ready

0 = WSM busy

Check SR[6]:

1 = Erase suspended

0 = Erase completed

Data = 0xD0

Addr = Any device address

Bus

Operation

Command

Comments

Read

None

Status Register data .

Addr = Any device address

Read or

Write

None

Read array or program data from /to

block other than the one being erased

ERASE SUSPEND / RESUME PROCEDURE

If the suspended partition was placed in

Read Array mode or a Program Loop :

Write 0xB0,

Any device

address

(Erase Suspend)

Write 0x70,

Any device Address

(Read Status)

Write 0xD0,

Any Address

(Erase Resume)

Write 0x70,

Any device

Address

(Read Status)

Write 0xFF,

Any device

Address

(Read Array)

Write

Read

Status

Data = 0x70

Addr = Any device address

Yes

Write

Read

Status

Return device to Status mode :

Data = 0x70

Addr = Any device Address

Note:

1. The tERS/SUSP timing between the initial block erase or erase

resume command and a subsequent erase suspend command

should be followed .

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