5 buffer read (opcode d4h or d6h), 6 buffer read (low frequency: opcode d1h or d3h), Sck cs si so – Rainbow Electronics AT45DB161D User Manual

Page 39

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39

3500O–DFLASH–11/2012

AT45DB161D

24.4

Main Memory Page Read (Opcode: D2H)

24.5

Buffer Read (Opcode D4H or D6H)

24.6

Buffer Read (Low Frequency: Opcode D1H or D3H)

SCK

CS

SI

SO

MSB

MSB

2

3

1

0

1

1

0

1

0

0

1

0

6

7

5

4

10 11

9

8

12

63

66 67

65

64

62

33 34

31 32

29 30

68

71 72

70

69

OPCODE

A

A

A

A

A

A

A

A

A

MSB

X

X

X

X

X

X

MSB

MSB

D

D

D

D

D

D

D

D

D

D

ADDRESS BITS

32 DON'T CARE BITS

DATA BYTE 1

HIGH-IMPEDANCE

SCK

CS

SI

SO

MSB MSB

2 3

1

0

1 1 0 1 0 1 0 0

6 7

5

4 10

11

9

8 12

39

42

43

41

40

37 38

33 36

35

34

31 32

29 30

44

47 48

46

45

OPCODE

X X X X

A A A

X X

MSB

X X X X X X X X

MSB MSB

D D D D D D D D

D

D

ADDRESS BITS
BINARY PAGE SIZE = 15 DON'T CARE + BFA8-BFA0
STANDARD DATAFLASH PAGE SIZE =
14 DON'T CARE + BFA9-BFA0

DON'T CARE

DATA BYTE 1

HIGH-IMPEDANCE

SCK

CS

SI

SO

MSB MSB

2 3

1

0

1 1 0 1 0 0 0 1

6 7

5

4 10

11

9

8 12

37

38

33 36

35

34

31 32

29 30

39 40

OPCODE

X X X X

A A A

X X

MSB MSB

D D D D D D D D

D

D

DATA BYTE 1

HIGH-IMPEDANCE

ADDRESS BITS
BINARY PAGE SIZE = 15 DON'T CARE + BFA8-BFA0
STANDARD DATAFLASH PAGE SIZE =
14 DON'T CARE + BFA9-BFA0

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