User Manual

30
AT45DB642
1638F–DFLSH–09/02
Detailed Parallel Timing – SPI Mode 0 (Continued)
Main Memory Page Read (Opcode: D2H)
Buffer Read (Opcode: D4H or D6H)
Status Register Read (Opcode: D7H)
I/O7-I/O0
(INPUT)
CMD
ADDR
ADDR
ADDR
X
XXX
CS
I/O7-I/O0
(OUTPUT)
CLK
12345 60 61 62 63 64 65 66 67
XX
HIGH IMPEDANCE
DATA DATA DATA
DATA OUT
COMMAND OPCODE
tSU
tV
DATA
I/O7-I/O0
(INPUT)
CMD
ADDR
ADDR
ADDR
X
CS
I/O7-I/O0
(OUTPUT)
CLK
12345 7
HIGH IMPEDANCE
COMMAND OPCODE
tSU
DATA OUT
DATA DATA DATA
MSB
tV
6
I/O7-I/O0
(INPUT)
CMD
CS
I/O7-I/O0
(OUTPUT)
CLK
1234
HIGH IMPEDANCE
tSU
DATA DATA DATA
tV
STATUS
REGISTER OUTPUT