M58WT032KB datasheet(114/117 Pages) NUMONYX

114 / 117 page

Command interface state tables

M58WTxxxKT, M58WTxxxKB

114/117

Table 46.

Command interface states - Lock table, next state(1)

Current CI State

Command Input

Lock/CR

Setup(2)

(60h)

OTP

Setup(2)

(C0h)

Block Lock

Confirm

(01h)

Block Lock-

Down

Confirm (2Fh)

Set CR

Confirm

(03h)

EFP Exit,

Quad EFP

Exit(3)

Illegal

Command(4)

P/E. C.

Operation

Completed

Ready

Lock/CR Setup

OTP Setup

Ready

N/A

Lock/CR Setup

Ready (Lock error)

Ready

Ready (Lock error)

N/A

OTP

Setup

OTP Busy

Busy

IS in OTP busy

OTP Busy

Ready

IS in OTP busy

OTP Busy

IS Ready

Program

Setup

Program Busy

N/A

Busy

IS in Program busy

Program Busy

Ready

IS in Program

busy

Program busy

IS Ready

Suspend

IS in PS

Program Suspend

N/A

IS in PS

Program Suspend

N/A

Erase

Setup

Ready (error)

N/A

Busy

IS in Erase Busy

Erase Busy

Ready

IS in Erase Busy

Erase Busy

IS Ready

Suspend

Lock/CR Setup

in ES

IS in Erase

Suspend

Erase Suspend

N/A

IS in ES

Erase Suspend

N/A

Program

in Erase

Suspend

Setup

Program Busy in Erase Suspend

Busy

IS in Program busy in ES

Program Busy in Erase Suspend

IS in Program

busy in ES

Program busy in ES

IS in ES

Suspend

IS in PS in ES

Program Suspend in Erase Suspend

N/A

IS in PS in ES

Program Suspend in Erase Suspend

Lock/CR Setup in ES

Erase Suspend (Lock error)

Erase Suspend

Erase Suspend (Lock error)

N/A

EFP

Setup

Ready (error)

N/A

Busy

EFP Busy(5)

EFP Verify

EFP Busy(5)

N/A

Verify

EFP Verify(5)

Ready

EFP Verify(5)

Ready

QuadEFP

Setup

Quad EFP Busy(5)

N/A

Busy

Quad EFP Busy(5)

Ready

Quad EFP

Busy(4)

Ready

CI = Command Interface, CR = Configuration Register, EFP = Enhanced Factory Program, Quad EFP = Quadruple

Enhanced Factory Program, P/E. C. = Program/Erase Controller, IS = Illegal state, ES = Erase suspend, PS = Program

suspend.

If the P/EC is active, both cycles are ignored.

EFP and Quad EFP exit when Block Address is different from first Block Address and data is FFFFh.

Illegal commands are those not defined in the command set.

EFP and Quad EFP are allowed only when Status Register bit SR0 is set to ‘0’. EFP and Quad EFP are busy if Block

Address is first EFP Address. Any other commands are treated as data.

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