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AT45DB021A-RI Datasheet(PDF) 9 Page - ATMEL Corporation

Part # AT45DB021A-RI
Description  2-megabit 2.7-volt Only Serial DataFlash
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Manufacturer  ATMEL [ATMEL Corporation]
Direct Link  http://www.atmel.com
Logo ATMEL - ATMEL Corporation

AT45DB021A-RI Datasheet(HTML) 9 Page - ATMEL Corporation

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AT45DB021A
9
Note:
r = Reserved Bit
P = Page Address Bit
B = Byte/Buffer Address Bit
x = Don’t Care
Table 4. Detailed Bit-level Addressing Sequence
Opcode
Opcode
Address Byte
Address Byte
Address Byte
Additional
Don’t Care
Bytes
Required
50H
0101 0000 rrrrr
P
PPPPPP
xxxxx
xxxxxxx
N/A
52H
0101 0010 rrrrr
P
PPPPPPPPPB
B
BBBBBBB
4 Bytes
53H
0101 0011 rrrrr
P
PPPPPPPPP
xx
xxxxxxx
N/A
54H
0101 0100 xxxxxx
xxxxxxxxx
BB
BBBBBBB
1 Byte
55H
0101 0101 rrrrr
P
PPPPPPPPP
xx
xxxxxxx
N/A
56H
0101 0110 xxxxxx
xxxxxxxxx
BB
BBBBBBB
1 Byte
57H
0101 0111
N/A
N/A
N/A
N/A
58H
0101 1000 rrrrr
P
PPPPPPPPP
xx
xxxxxxx
N/A
59H
0101 1001 rrrrr
P
PPPPPPPPP
xx
xxxxxxx
N/A
60H
0110 0000 rrrrr
P
PPPPPPPPP
xx
xxxxxxx
N/A
61H
0110 0001 rrrrr
P
PPPPPPPPP
xx
xxxxxxx
N/A
68H
0110 1000 rrrrr
P
PPPPPPPPPB
B
BBBBBBB
4 Bytes
81H
1000 0001 rrrrr
P
PPPPPPPPP
xx
xxxxxxx
N/A
82H
1000 0010 rrrrr
P
PPPPPPPPPB
B
BBBBBBB
N/A
83H
1000 0011 rrrrr
P
PPPPPPPPP
xx
xxxxxxx
N/A
84H
1000 0100 xxxxxx
xxxxxxxxx
BB
BBBBBBB
N/A
85H
1000 0101 rrrrr
P
PPPPPPPPPB
B
BBBBBBB
N/A
86H
1000 0110 rrrrr
P
PPPPPPPPP
xx
xxxxxxx
N/A
87H
1000 0111 xxxxxx
xxxxxxxxx
BB
BBBBBBB
N/A
88H
1000 1000 rrrrr
P
PPPPPPPPP
xx
xxxxxxx
N/A
89H
1000 1001 rrrrr
P
PPPPPPPPP
xx
xxxxxxx
N/A
D2H
1101 0010 rrrrr
P
PPPPPPPPPB
B
BBBBBBB
4 Bytes
D4H
1101 0100 xxxxxx
xxxxxxxxx
BB
BBBBBBB
1 Byte
D6H
1101 0110 xxxxxx
xxxxxxxxx
BB
BBBBBBB
1 Byte
D7H
1101 0111
N/A
N/A
N/A
N/A
E8H
1110 1000 rrrrr
P
PPPPPPPPPB
B
BBBBBBB
4 Bytes


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