Rainbow Electronics AT45DB041B User Manual

Page 11

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11

AT45DB041B

1938F–DFLSH–10/02

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

0 1 0 1 0 0 0 0 r

r

r

r

P

P

P

P

P

P

P

P

x

x

x

x

x

x

x

x

x

x

x

x

N/A

52H

0 1 0 1 0 0 1 0 r

r

r

r

P

P

P

P

P

P

P

P

P

P

P

B

B

B

B

B

B

B

B

B

4 Bytes

53H

0 1 0 1 0 0 1 1 r

r

r

r

P

P

P

P

P

P

P

P

P

P

P

x

x

x

x

x

x

x

x

x

N/A

54H

0 1 0 1 0 1 0 0 x

x

x

x

x

x

x

x

x

x

x

x

x

x

x

B

B

B

B

B

B

B

B

B

1 Byte

55H

0 1 0 1 0 1 0 1 r

r

r

r

P

P

P

P

P

P

P

P

P

P

P

x

x

x

x

x

x

x

x

x

N/A

56H

0 1 0 1 0 1 1 0 x

x

x

x

x

x

x

x

x

x

x

x

x

x

x

B

B

B

B

B

B

B

B

B

1 Byte

57H

0 1 0 1 0 1 1 1

N/A

N/A

N/A

N/A

58H

0 1 0 1 1 0 0 0 r

r

r

r

P

P

P

P

P

P

P

P

P

P

P

x

x

x

x

x

x

x

x

x

N/A

59H

0 1 0 1 1 0 0 1 r

r

r

r

P

P

P

P

P

P

P

P

P

P

P

x

x

x

x

x

x

x

x

x

N/A

60H

0 1 1 0 0 0 0 0 r

r

r

r

P

P

P

P

P

P

P

P

P

P

P

x

x

x

x

x

x

x

x

x

N/A

61H

0 1 1 0 0 0 0 1 r

r

r

r

P

P

P

P

P

P

P

P

P

P

P

x

x

x

x

x

x

x

x

x

N/A

68H

0 1 1 0 1 0 0 0 r

r

r

r

P

P

P

P

P

P

P

P

P

P

P

B

B

B

B

B

B

B

B

B

4 Bytes

81H

1 0 0 0 0 0 0 1 r

r

r

r

P

P

P

P

P

P

P

P

P

P

P

x

x

x

x

x

x

x

x

x

N/A

82H

1 0 0 0 0 0 1 0 r

r

r

r

P

P

P

P

P

P

P

P

P

P

P

B

B

B

B

B

B

B

B

B

N/A

83H

1 0 0 0 0 0 1 1 r

r

r

r

P

P

P

P

P

P

P

P

P

P

P

x

x

x

x

x

x

x

x

x

N/A

84H

1 0 0 0 0 1 0 0 x

x

x

x

x

x

x

x

x

x

x

x

x

x

x

B

B

B

B

B

B

B

B

B

N/A

85H

1 0 0 0 0 1 0 1 r

r

r

r

P

P

P

P

P

P

P

P

P

P

P

B

B

B

B

B

B

B

B

B

N/A

86H

1 0 0 0 0 1 1 0 r

r

r

r

P

P

P

P

P

P

P

P

P

P

P

x

x

x

x

x

x

x

x

x

N/A

87H

1 0 0 0 0 1 1 1 x

x

x

x

x

x

x

x

x

x

x

x

x

x

x

B

B

B

B

B

B

B

B

B

N/A

88H

1 0 0 0 1 0 0 0 r

r

r

r

P

P

P

P

P

P

P

P

P

P

P

x

x

x

x

x

x

x

x

x

N/A

89H

1 0 0 0 1 0 0 1 r

r

r

r

P

P

P

P

P

P

P

P

P

P

P

x

x

x

x

x

x

x

x

x

N/A

D2H

1 1 0 1 0 0 1 0 r

r

r

r

P

P

P

P

P

P

P

P

P

P

P

B

B

B

B

B

B

B

B

B

4 Bytes

D4H

1 1 0 1 0 1 0 0 x

x

x

x

x

x

x

x

x

x

x

x

x

x

x

B

B

B

B

B

B

B

B

B

1 Byte

D6H

1 1 0 1 0 1 1 0 x

x

x

x

x

x

x

x

x

x

x

x

x

x

x

B

B

B

B

B

B

B

B

B

1 Byte

D7H

1 1 0 1 0 1 1 1

N/A

N/A

N/A

N/A

E8H

1 1 1 0 1 0 0 0 r

r

r

r

P

P

P

P

P

P

P

P

P

P

P

B

B

B

B

B

B

B

B

B

4 Bytes

R

eser

ve

d

R

eser

ve

d

R

eser

ve

d

R

eser

ve

d

PA

10

PA

9

PA

8

PA

7

PA

6

PA

5

PA

4

PA

3

PA

2

PA

1

PA

0

BA

8

BA

7

BA

6

BA

5

BA

4

BA

3

BA

2

BA

1

BA

0

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