AT45DB321C-RI ATMEL [ATMEL Corporation], AT45DB321C-RI Datasheet - Page 16

• Manufacturer Part Number: AT45DB321C-RI
• Description: 32 MEGABIT 2.7 VOLT DATAFLASH
• Manufacturer: ATMEL [ATMEL Corporation]

Table 1. Read Commands
Note:
Table 2. Program and Erase Commands
Table 3. Additional Commands
Notes:
16
Command
Continuous Array Read
Main Memory Page Read
Buffer 1 Read
Buffer 2 Read
Status Register Read
Manufacturer and Device ID
Command
Buffer 1 Write
Buffer 2 Write
Buffer 1 to Main Memory Page Program with Built-in Erase
Buffer 2 to Main Memory Page Program with Built-in Erase
Buffer 1 to Main Memory Page Program without Built-in Erase
Buffer 2 to Main Memory Page Program without Built-in Erase
Page Erase
Block Erase
Main Memory Page Program Through Buffer 1
Main Memory Page Program Through Buffer 2
Command
Main Memory Page to Buffer 1 Transfer
Main Memory Page to Buffer 2 Transfer
Auto Page Rewrite Through Buffer 1
Auto Page Rewrite Through Buffer 2
Security Register Program
Security Register Read
1. Legacy Opcodes 52H, 54H, 56H, 57H, and 68H are still supported for reasons of backward compatibility only and are not
1. This command should be used for applications requiring a high number of random page writes within a sector. See “Auto
2. The Security Register Program command utilizes data stored in Buffer 1. Therefore, this command must be used in conjunc-
AT45DB321C [Preliminary]
recommended for new designs. The inactive clock polarity high or low modes will not be supported in the future products.
Page Rewrite” on page 6.
tion with the Buffer 1 write command. See the Security Register description on page 12 for details.
(2)
(1)
(1)
SCK Mode
RapidS Mode 0 or 3
Inactive Clock Polarity Low or High
RapidS Mode 0 or 3
Inactive Clock Polarity Low or High
RapidS Mode 0 or 3
Inactive Clock Polarity Low or High
RapidS Mode 0 or 3
Inactive Clock Polarity Low or High
RapidS Mode 0 or 3
Inactive Clock Polarity Low or High
RapidS Mode 0 or 3
Mode 0, Mode 3
Mode 0, Mode 3
Mode 0, Mode 3
Mode 0, Mode 3
Mode 0, Mode 3
Mode 0, Mode 3
SCK Mode
Mode 0, Mode 3
Mode 0, Mode 3
Mode 0, Mode 3
Mode 0, Mode 3
Mode 0, Mode 3
Mode 0, Mode 3
Mode 0, Mode 3
Mode 0, Mode 3
Mode 0, Mode 3
Mode 0, Mode 3
SCK Mode
Opcode
Opcode
3387B–DFLSH–9/04
E8H
D2H
D4H
D6H
D7H
68H
52H
54H
56H
57H
9FH
9AH
53H
55H
58H
59H
77H
Opcode
84H
87H
83H
86H
88H
89H
81H
50H
82H
85H