M58WT032KB datasheet(112/117 Pages) NUMONYX

112 / 117 page

Command interface state tables

M58WTxxxKT, M58WTxxxKB

112/117

EFP

Setup

Ready (error)

EFP Busy

Ready (error)

Busy

EFP Busy(6)

Verify

EFP Verify(6)

Quad

EFP

Setup

Quad EFP Busy(6)

Busy

Quad EFP Busy(6)

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

Enhanced Factory Program, DWP = Double Word Program, QWP = Quadruple Word Program, P/E. C. = Program/Erase

Controller, PS = program suspend, ES = erase suspend, IS = Illegal state.

At Power-Up, all banks are in read array mode. A Read Array command issued to a busy bank, results in undetermined

data output.

The two cycle command should be issued to the same bank address.

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

The Clear Status Register command clears the Status Register error bits except when the P/EC is busy or suspended.

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.

Table 44.

Command interface states - modify table, next state(1) (continued)

Current CI State

Command Input

Read

Array(2)

(FFh)

setup(3)(4)

(10/40h)

DWP,

QWP

Setup(3)(4)

(35h, 56h)

Block

Erase

Setup(3)(4)

(20h)

EFP

Setup

(30h)

Quad-EFP

Setup

(75h)

Erase

Confirm, P/E

Resume,

Block Unlock

confirm, EFP

Confirm

(D0h)

Program/

Erase

Suspend

(B0h)

Read

Status

(70h)

Clear

Status

(5)

(50h)

Read

Electronic

signature,

Read CFI

Query

(90h, 98h)

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