M58LW032A Ver la hoja de datos (PDF) - STMicroelectronics

Número de pieza

componentes Descripción

Fabricante

M58LW032A

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

STMicroelectronics 

M58LW032A

Table 6. Commands

Bus Operations

Command

1st Cycle

2nd Cycle

Subsequent

Final

Op. Addr. Data Op. Addr. Data Op. Addr. Data Op. Addr. Data

Read Memory Array ≥ 2 Write X FFh Read RA

RD

Read Electronic Signature ≥ 2 Write X 90h Read IDA(3) IDD(3)

Read Status Register

2 Write X 70h Read X

SRD

Read Query

≥ 2 Write X 98h Read QA(4) QD(4)

Clear Status Register

1 Write X 50h

Block Erase

2 Write X 20h Write BA

D0

Word Program

2 Write X

40h

10h

Write

PA

PD

Write to Buffer and

Program

4 + N Write BA E8h Write

BA

N Write PA PD Write X D0h

Program/Erase Suspend 1 Write X B0h

Program/Erase Resume 1 Write X D0h

Set Burst Configuration

Register

2 Write X 60h Write BCR

03h

Block Protect

2 Write X 60h Write BA 01h

Blocks Unprotect

2 Write X 60h 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, IDA Identifier Address, IDD Identifier Data, SRD Status Register Data, PA Program

Address; PD Program Data, QA Query Address, QD Query Data, BA Any address in the Block, BCR Burst Configuration Register

value.

2. Base Address, refer to Figure 8 and Table 8 for more information.

3. For Identifier addresses and data refer to table 7, Read Electronic Signature.

4. For Query Address and Data refer to Appendix B, CFI.

Table 7. Read Electronic Signature

Code

Address (A21-A1)

Data (DQ15-DQ0)

Manufacturer Code

000000h

0020h

Device Code

000001h

8816h

Block Protection Status

SBA+02h

0000h (Block Unprotected)

0001h (Block Protected)

Burst Configuration Register

000005h

BCR

Protection Register

000080h(2)

PRD

Note: 1. SBA is the Start Base Address of each block, BCR is Burst Configuration Register data, PRD is Protection Register Data.

2. Base Address, refer to Figure 8 and Table 8 for more information.

23/61

Share Link: