User Manual

32
AT45DB642
1638F–DFLSH–09/02
Detailed Parallel Read Timing – SPI Mode 3 (Continued)
Main Memory Page Read (Opcode: D2H)
Buffer Read (Opcode: D4H or D6H)
Status Register Read (Opcode: D7H)
I/07-I/O0
(INPUT)
CMD
ADDR
ADDR
ADDR
X
XXX
CS
I/07-I/O0
(OUTPUT)
CLK
12345 61 62 63 64 65 66 67
XX
HIGH IMPEDANCE
DATA DATA DATA
DATA OUT
COMMAND OPCODE
tSU
tV
DATA
68
I/O7-I/O0
(INPUT)
CMD
ADDR
ADDR
ADDR X
CS
I/O7-I/O0
(OUTPUT)
CLK
12345678
HIGH IMPEDANCE
DATA DATA DATA
DATA OUT
tSU
tV
DATA
9
I/O7-I/O0
(INPUT)
CMD
CS
I/O7-I/O0
(OUTPUT)
CLK
1 234
HIGH
IMPEDANCE
HIGH
IMPEDANCE
DATA DATA DATA
STATUS REGISTER
OUTPUT
tSU
tV