M29W160DB データシートの表示（PDF） - STMicroelectronics

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M29W160DB

16 Mbit (2Mb x8 or 1Mb x16, Boot Block) 3V Supply Flash Memory

STMicroelectronics 

M29W160DT, M29W160DB

Table 8. Commands, 8-bit mode, BYTE = VIL

Bus Write Operations

Command

1st

2nd

3rd

4th

5th

6th

Addr Data Addr Data Addr Data Addr Data Addr Data Addr Data

Read/Reset

1 X F0

3 AAA AA 555 55 X F0

Auto Select

3 AAA AA 555 55 AAA 90

Program

4 AAA AA 555 55 AAA A0 PA PD

Unlock Bypass

3 AAA AA 555 55 AAA 20

Unlock Bypass

Program

2 X A0 PA PD

Unlock Bypass Reset 2 X 90 X 00

Chip Erase

6 AAA AA 555 55 AAA 80 AAA AA 555 55 AAA 10

Block Erase

6+ AAA AA 555 55 AAA 80 AAA AA 555 55 BA 30

Erase Suspend

1 X B0

Erase Resume

1 X 30

Security Data

1 X B8

Note: X Don’t Care, PA Program Address, PD Program Data, BA Any address in the Block.

All values in the table are in hexadecimal.

The Command Interface only uses A–1, A0-A10 and DQ0-DQ7 to verify the commands; A11-A19, DQ8-DQ14 and DQ15 are Don’t

Care. DQ15A–1 is A–1 when BYTE is VIL or DQ15 when BYTE is VIH.

Read/Reset. After a Read/Reset command, read the memory as normal until another command is issued.

Auto Select. After an Auto Select command, read Manufacturer ID, Device ID or Block Protection Status.

Program, Unlock Bypass Program, Chip Erase, Block Erase. After these commands read the Status Register until the Program/

Erase Controller completes and the memory returns to Read Mode. Add additional Blocks during Block Erase Command with additional

Bus Write Operations until Timeout Bit is set.

Unlock Bypass. After the Unlock Bypass command issue Unlock Bypass Program or Unlock Bypass Reset commands.

Unlock Bypass Reset. After the Unlock Bypass Reset command read the memory as normal until another command is issued.

Erase Suspend. After the Erase Suspend command read non-erasing memory blocks as normal, issue Auto Select and Program com-

mands on non-erasing blocks as normal.

Erase Resume. After the Erase Resume command the suspended Erase operation resumes, read the Status Register until the Pro-

gram/Erase Controller completes and the memory returns to Read Mode.

Security Data. After the Security Data command read the Security Memory Block. Use an address outside the Security Memory Block

when issuing the command.

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