M28W320 데이터 시트보기 (PDF) - STMicroelectronics

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M28W320

32 Mbit (2Mb x16, Boot Block) 3V Supply Flash Memory

STMicroelectronics 

Command interface and Program/Erase Controller state

M28W320FCT, M28W320FCB

Appendix D Command interface and Program/Erase

Controller state

Table 32. Write State Machine Current/Next, sheet 1 of 2.(1)

Current

State

SR Data

bit When

7

Read

Read

Array

(FFh)

Program

Setup

(10/40h)

Command Input (and Next State)

Erase

Setup

(20h)

Erase

Confirm

(D0h)

Prog/Ers

Suspend

(B0h)

Prog/Ers

Resume

(D0h)

Read

Status

(70h)

Clear

Status

(50h)

Read Array

Read Status

Read

Elect.Sg.

Read CFI

Query

Lock Setup

Lock Cmd

Error

Lock

(complete)

Prot. Prog.

Setup

Prot. Prog.

(continue)

Prot. Prog.

(complete)

Prog. Setup

Program

(continue)

Prog. Sus

Status

Prog. Sus

Read Array

Prog. Sus

Read

Elect.Sg.

Prog. Sus

Read CFI

Program

(complete)

“1” Array

“1” Status

“1”

Electronic

Signature

“1”

CFI

“1” Status

“1” Status

“1” Status

Read

Array

Read

Array

Read

Array

Read

Array

Prog.

Setup

Program

Setup

Program

Setup

Program

Setup

Ers.

Setup

Erase

Setup

Erase

Setup

Erase

Setup

Lock Command Error

Read

Array

Read

Array

Program

Setup

Program

Setup

Erase

Setup

Erase

Setup

Read Array

Read

Sts.

Read

Array

Read Array

Read Sts

Read

Array

Read Array

Read Sts

Read

Array

Read Array

Read Sts

Read

Array

Lock

(complete)

Lock Cmd

Error

Lock

(complete)

Lock Command Error

Read Array

Read Sts

Read

Array

Read Array

Read Sts

Read

Array

“1” Status

Protection Register Program

“0” Status

Protection Register Program continue

“1” Status

Read

Array

Program

Setup

Erase

Setup

Read Array

Read Sts

Read

Array

“1” Status

Program

“0” Status

Program (continue)

Prog. Sus

Read Sts

Program (continue)

“1”

Status

Prog. Sus

Read

Array

Program Suspend to

Read Array

Program

(continue)

Prog. Sus

Read

Array

Program

(continue)

Prog. Prog. Sus

Sus

Read

Read Sts Array

“1”

Array

Prog. Sus

Read

Array

Program Suspend to

Read Array

Program

(continue)

Prog. Sus

Read

Array

Program

(continue)

Prog. Prog. Sus

Sus

Read

Read Sts Array

“1”

Electronic

Signature

Prog. Sus

Read

Array

Program Suspend to

Read Array

Program

(continue)

Prog. Sus

Read

Array

Program

(continue)

Prog. Prog. Sus

Sus

Read

Read Sts Array

“1”

CFI

Prog. Sus

Read

Array

Program Suspend to

Read Array

Program

(continue)

Prog. Sus

Read

Array

Program

(continue)

Prog. Prog. Sus

Sus

Read

Read Sts Array

“1” Status

Read

Array

Program

Setup

Erase

Setup

Read Array

Read Sts

Read

Array

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