M28W640FSU データシートの表示（PDF） - STMicroelectronics

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M28W640FSU

32Mbit (2Mb x16) and 64Mbit (4Mb x16) 3V Supply, Uniform Block, Secure Flash Memories

STMicroelectronics 

M28W320FSU, M28W640FSU

Table 4. Commands

Bus Write Operations

Commands

1st Cycle

2nd Cycle

3rd Cycle

4th Cycle

5th Cycle

Op. Add Data Op. Add Data Op. Add Data Op. Add Data Op. Add Data

Read Memory

Array

1+ Write X FFh Read RA RD

Read Status

Register

1+ Write X 70h Read X SRD

Read Electronic

Signature

1+ Write X

90h Read SA(2) IDh

Read CFI Query 1+ Write X 98h Read QA QD

Erase

2 Write X 20h Write BA D0h

Program

2 Write

X

40h or

10h

Write

PA

PD

Double Word

Program(3)

3 Write X 30h Write PA1 PD1 Write PA2 PD2

Quadruple Word

Program(4)

5 Write X

56h Write PA1 PD1 Write PA2 PD2 Write PA3 PD3 Write PA4 PD4

Clear Status

Register

1 Write X 50h

Program/Erase

Suspend

1 Write X B0h

Program/Erase

Resume

1 Write X D0h

Protection

Register Program

2 Write

X

C0h Write PRA PRD

Note: 1. X = Don't Care, RA=Read Address, RD=Read Data, SRD=Status Register Data, ID=Identifier (Manufacture and Device Code),

QA=Query Address, QD=Query Data, BA=Block Address, PA=Program Address, PD=Program Data, PRA=Protection Register Ad-

dress, PRD=Protection Register Data.

2. The signature addresses are listed in Tables 5 and 6.

3. Program Addresses 1 and 2 must be consecutive Addresses differing only for A0.

4. Program Addresses 1,2,3 and 4 must be consecutive Addresses differing only for A0 and A1.

Table 5. Read Electronic Signature

Code

Device

A8-A20

E

G

W A0 A1 A2-A7 A8-A21(2) DQ0-DQ7

Manufacture

Code

VIL VIL VIH VIL VIL

0

Don't Care

20h

M28W320FSU VIL VIL VIH VIH VIL

0

Don't Care

0Ch

Device Code

M28W640FSU VIL VIL VIH VIH VIL

0

Don't Care

57h

Note: 1. RP = VIH.

2. Addresses range from A0 to A20 for the M28W320FSU and from A0 to A21 for the M28W640FSU.

DQ8-DQ15

00h

88h

88h

15/49

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