Detailed parallel timing – spi mode 0 (continued), Buffer read (opcode: d4h or d6h), Status register read (opcode: d7h) – Rainbow Electronics AT45DB642 User Manual
Page 30
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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
X
X
X
CS
I/O7-I/O0
(OUTPUT)
CLK
1
2
3
4
5
60
61
62
63
64
65
66
67
X
X
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
1
2
3
4
5
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
1
2
3
4
HIGH IMPEDANCE
tSU
DATA
DATA
DATA
tV
STATUS
REGISTER OUTPUT
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