45DB041B Datasheet, PDF (24/33 Pages) ATMEL Corporation – 4-megabit 2.5-volt Only or 2.7-volt Only DataFlash

Detailed Bit-level Read Timing – SPI Mode 3
Continuous Array Read (Opcode: E8H)
CS
SCK
SI
SO
1
2
63 64 65 66 67
t_SU
1
1
X
HIGH-IMPEDANCE
X
X
t_V
DATA OUT
D7 D6 D5
Main Memory Page Read (Opcode: D2H)
CS
LSB MSB
D2 D1 D0 D7 D6 D5
BIT 2111
OF
PAGE n
BIT 0
OF
PAGE n+1
SCK
SI
SO
1
2
3
4
5
61 62 63 64 65 66 67 68
t_SU
COMMAND OPCODE
1
1
0
1
0
X
X
X
X
X
HIGH-IMPEDANCE
t_V
DATA OUT
D7 D6 D5 D4
MSB
24 AT45DB041B
1938F–DFLSH–10/02