at45db321b-c ATMEL Corporation, at45db321b-c Datasheet - Page 25

• Manufacturer Part Number: at45db321b-c
• Description: At45db321b 32-megabit 2.7-volt Only Dataflash
• Manufacturer: ATMEL Corporation

Detailed Bit-level Read Timing – SPI Mode 3 (Continued)
Buffer Read (Opcode: D4H or D6H)
Status Register Read (Opcode: D7H)
2223E–DFLASH–11//03
SCK
SO
CS
SCK
SI
CS
SO
SI
t
SU
t
SU
1
1
1
1
2
HIGH-IMPEDANCE
COMMAND OPCODE
2
1
1
3
COMMAND OPCODE
3
0
0
4
HIGH-IMPEDANCE
4
1
1
5
5
0
0
6
1
7
1
X
8
t
37
V
1
X
9
38
MSB
D 7
X
10
39
D 6
STATUS REGISTER OUTPUT
X
11
40
t
D 5
V
X
12
41
D 4
MSB
D 7
42
DATA OUT
D 6
AT45DB321B
43
LSB
D 0
D 5
17
MSB
44
D 7
D 4
18
D 6
25