Manual

19
AT45DB321B
2223D–DFLASH–10/02
Detailed Bit-level Read Timing – Inactive Clock Polarity Low (Continued)
Buffer Read (Opcode: 54H or 56H)
Status Register Read (Opcode: 57H)
SI
0
1
0
10
XXX
CS
SO
SCK
12345 36 37 38 39 40 41 42 43
XX
HIGH-IMPEDANCE
D
7
D
6
D
5
DATA OUT
COMMAND OPCODE
MSB
t
SU
t
V
SI
0
1
0
10
111
CS
SO
SCK
12345 7891011 12 16 17
HIGH-IMPEDANCE
D
7
D
6
D
5
STATUS REGISTER OUTPUT
COMMAND OPCODE
MSB
t
SU
t
V
6
D
1
D
0
D
7
LSB MSB