AT45DB021D ATMEL [ATMEL Corporation], AT45DB021D Datasheet - Page 31

• Manufacturer Part Number: AT45DB021D
• Description: 2-megabit 2.7-volt DataFlash
• Manufacturer: ATMEL [ATMEL Corporation]

Table 15-7.
Note:
3638B–DFLASH–02/07
Opcode
ABh
0Bh
7Ch
B9h
D1h
D2h
D4h
D7h
E8h
03h
50h
53h
58h
60h
77h
81h
82h
83h
84h
88h
9Fh
Page Size = 264 bytes
P = Page Address Bit
B = Byte/Buffer Address Bit
x = Don’t Care
0
0
0
0
0
0
0
0
1
1
1
1
1
1
1
1
1
1
1
1
1
Detailed Bit-level Addressing Sequence for Standard DataFlash Page Size (264 Bytes)
0
0
1
1
1
1
1
1
0
0
0
0
0
0
0
0
1
1
1
1
1
0
0
0
0
0
1
1
1
0
0
0
0
0
0
1
1
0
0
0
0
1
Opcode
0
0
1
1
1
0
1
1
0
0
0
0
0
1
1
0
1
1
1
1
0
0
1
0
0
1
0
0
1
0
0
0
0
1
1
1
1
0
0
0
0
1
0
0
0
0
0
0
1
1
0
0
0
1
0
1
0
0
0
0
1
1
0
1
1
0
1
0
0
1
0
0
1
1
0
0
1
0
1
0
1
0
1
0
1
1
0
1
0
0
1
0
1
0
1
0
0
1
1
1
1
0
0
1
0
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
Address Byte
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
N/A
N/A
N/A
N/A
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
P P
P P
P P
P P
P P
P P
P
P P
P P
P P
P P
P P
P P
x
x
x
x
x
x
x
x
x
P
P
P
P
P
P
P
P
P
P
P
P
x
x
x
x
x
P P P P P P P
P P P P P P P
P P P
P P P P P P P
P P P P P P P
P P P P P P P
P P P P P P P
P P P P P P P
P P P P P P P
P P P P P P P
P P P P P P P
P P P P P P P
x
x
x
x
x
x
x
x
x
x
Address Byte
x
x
x
x
x
x
x
x
x
x
x
N/A
N/A
N/A
N/A
AT45DB021D [Preliminary]
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
B
B
B
B
B
B
B
B
x
x
x
x
x
x
x
x
x
B B B B B B B
B B B B B B B
B B B B B B B
B B B B B B B
B B B B B B B
B B B B B B B
B B B B B B B
B B B B B B B
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
Address Byte
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
N/A
N/A
N/A
N/A
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
B
B
B
B
B
B
B
B
x
x
x
x
x
x
x
x
x
Don’t Care
Additional
Bytes
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
1
4
1
4
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