AT45DB321D datasheet(42/57 Pages) ATMEL

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3597N–DFLASH–04/09

AT45DB321D

23.3 Buffer Read

24. Detailed Bit-level Read Waveform – RapidS Serial Interface Mode 0/Mode 3

24.1 Continuous Array Read (Legacy Opcode E8H)

24.2 Continuous Array Read (Opcode 0BH)

CMD

n+1

X..X, BFA9-8

BFA7- 0

BINARY PAGE SIZE

15 DON'T CARE + BFA8-BFA0

Each transition

represents 8 bits

SI (INPUT)

SO (OUTPUT)

No Dummy Byte (opcodes D1H and D3H)

1 Dummy Byte (opcodes D4H and D6H)

SCK

MSB

11101000

410 11

812

66 67

33 34

31 32

29 30

71 72

OPCODE

AAAA

MSB

XXXX

MSB

DDDDDDDD

ADDRESS BITS

32 DON'T CARE BITS

DATA BYTE 1

HIGH-IMPEDANCE

BIT 4095/4223

OF PAGE n

BIT 0 OF

PAGE n+1

SCK

MSB

00001011

410 11

812

42 43

33 34

31 32

29 30

47 48

OPCODE

AAAA

MSB

XXXX

MSB

DDDDDDDD

ADDRESS BITS A21 - A0

DON'T CARE

DATA BYTE 1

HIGH-IMPEDANCE

36 37

AT45DB321D 数据表(PDF) 42 Page - ATMEL Corporation

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