AT45DB321C View Datasheet(PDF) - Atmel Corporation
Part Name
Description
MFG CO.
'AT45DB321C' PDF : 40 Pages View PDF
AT45DB321C
Table 9-3. Additional Commands
Command
SCK Mode
Opcode
Main Memory Page to Buffer 1 Transfer
Mode 0, Mode 3
53H
Main Memory Page to Buffer 2 Transfer
Mode 0, Mode 3
55H
Main Memory Page to Buffer 1 Compare
Mode 0, Mode 3
60H
Main Memory Page to Buffer 2 Compare
Auto Page Rewrite Through Buffer 1(1)
Auto Page Rewrite Through Buffer 2(1)
Security Register Program(2)
Mode 0, Mode 3
61H
Mode 0, Mode 3
58H
Mode 0, Mode 3
59H
Mode 0, Mode 3
9AH
Security Register Read
Mode 0, Mode 3
77H
Notes: 1. This command should be used for applications requiring a high number of random page writes within a sector. See “Auto
Page Rewrite†on page 8.
2. The Security Register Program command utilizes data stored in Buffer 1. Therefore, this command must be used in conjunc-
tion with the Buffer 1 write command. See “Security Register†on page 14 for details.
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3387M–DFLASH–2/08
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