Rainbow Electronics AT45DB081D - Manual (Page 43)

43
3596N–DFLASH–11/2012
AT45DB081D
24.6 Buffer Read (Low Frequency: Opcode D1H or D3H)
24.7 Read Sector Protection Register (Opcode 32H)
24.8 Read Sector Lockdown Register (Opcode 35H)
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 = 16 DON'T CARE + BFA7-BFA0
STANDARD DATAFLASH PAGE SIZE =
15 DON'T CARE + BFA8-BFA0
SCK
CS
SI
SO
MSB MSB
2 3 1 0
0 0 1 1 0 0 1 0
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 X X X X X
MSB MSB
D D D D D D D D D
DON'T CARE
DATA BYTE 1
HIGH-IMPEDANCE
SCK
CS
SI
SO
MSB MSB
2 3 1 0
0 0 1 1 0 1 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 X X X X X
MSB MSB
D D D D D D D D D
DON'T CARE
DATA BYTE 1
HIGH-IMPEDANCE