M29DW128F datasheet(37/94 Pages) STMICROELECTRONICS

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M29DW128F

Command interface

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6.2.2

Write to Buffer and Program Confirm command

The Write to Buffer and Program Confirm command is used to confirm a Write to Buffer and

Program command and to program the N+1 Words/bytes loaded in the Write Buffer by this

command.

6.2.3

Write to Buffer and Program Abort and Reset command

The Write to Buffer and Program Abort and Reset command is used to abort Write to Buffer

and Program command.

6.2.4

Double Word Program command

This is used to write two adjacent Words in x16 mode, simultaneously. The addresses of the

two Words must differ only in A0.

Three bus write cycles are necessary to issue the command:

The first bus cycle sets up the command.

The second bus cycle latches the Address and the Data of the first Word to be written.

The third bus cycle latches the Address and the Data of the second Word to be written

and starts the Program/Erase Controller.

6.2.5

Quadruple Word Program command

This is used to write a page of four adjacent Words, in x16 mode, simultaneously. The

addresses of the four Words must differ only in A1 and A0.

Five bus write cycles are necessary to issue the command:

The first bus cycle sets up the command.

The second bus cycle latches the Address and the Data of the first Word to be written.

The third bus cycle latches the Address and the Data of the second Word to be written.

The fourth bus cycle latches the Address and the Data of the third Word to be written.

The fifth bus cycle latches the Address and the Data of the fourth Word to be written

and starts the Program/Erase Controller.

6.2.6

Double byte Program Command

This is used to write two adjacent bytes in x8 mode, simultaneously. The addresses of the

two bytes must differ only in DQ15A-1.

Three bus write cycles are necessary to issue the command:

The first bus cycle sets up the command.

The second bus cycle latches the Address and the Data of the first byte to be written.

The third bus cycle latches the Address and the Data of the second byte to be written

and starts the Program/Erase Controller.

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