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Cs si (i/o, Sck i/o – Rainbow Electronics AT45DQ161 User Manual

Page 62

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62

AT45DQ161 [ADVANCE DATASHEET]

8790A–DFLASH–11/2012

Figure 23-4. Quad-input Buffer Write

Figure 23-5. Buffer to Main Memory Page Program

I/O

0

(SI)

SCK

I/O

1

(SO)

I/O

2

(WP)

I/O

3

(RESET)

CS

MSB

MSB

2

3

1

0

0

1

0

0

0

1

0

0

6

7

5

4

10 11

9

8

12

39

37 38

33

36

35

34

31 32

29 30

Opcode

A

A

A

A

A

A

A

A

A

D5

D4

D1

D0

Address Bits A23-A0

High-impedance

D6 D2

High-impedance

MSB

MSB

MSB

MSB

D7 D3

D5

D4

D1

D0

D6 D2

D7 D3

D5

D4

D1

D0

D6 D2

D7 D3

D5

D4

D1

D0

D6 D2

D7 D3

D5

D4

D1

D0

D6 D2

D7 D3

MSB

High-impedance

Byte 1

IN

Byte 2

IN

Byte 3

IN

Byte 4

IN

Byte n

IN

CS

SI

(I/O

1

)

CMD

XX,PA11-6

PA5-0, XX

X···X

Starts Self-timed Erase/Program Operation

Binary Page Size

A20-A9 + 9 Dummy Bits

Each transition represents eight bits