AT45DB321C_06 Datasheet, PDF (19/40 Pages) ATMEL Corporation – 32-megabit 2.7 volt DataFlash

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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