AT45DB642D-CNU-SL954 ATMEL [ATMEL Corporation], AT45DB642D-CNU-SL954 Datasheet - Page 42

• Manufacturer Part Number: AT45DB642D-CNU-SL954
• Description: 64-megabit 2.7-volt Dual-interface DataFlash
• Manufacturer: ATMEL [ATMEL Corporation]

23.1
23.2
23.3
42
SO or I/O7 - I/O0
Main Memory Page Read
Main Memory Page to Buffer Transfer (Data from Flash Page Read into Buffer)
SI or I/O7 - I/O0
Buffer Read
SO or IO
AT45DB642D
SO or I/O7 - I/O0
SI or IO
SI or I/O7 - I/O0
(OUTPUT)
(INPUT)
(OUTPUT)
(INPUT)
CS
7
7
- IO
- IO
CS
CS
0
0
Each transition
represents 8 bits
CMD
CMD
CMD
PA12-5, PA4-0
ADDRESS FOR BINARY PAGE SIZE
A22-A16
14 DON'T CARE + BFA9-BFA0
X
A15-A8
BA10-8
BINARY PAGE SIZE
X..X, BFA10-8
PA12-5
A22-A10 + 10 DON'T CARE BITS
A7-A0
BA7-0
BINARY PAGE SIZE
BFA7- 0
19 Dummy Bytes for Parallel
4 Dummy Bytes for Serial
PA4-0, XXX
X
Starts reading page data into buffer
No Dummy Byte (Serial, opcodes D1H and D3H)
1 Dummy Byte (Serial, opcodes D4H and D6H)
2 Dummy Bytes (Parallel)
X
X
XXXX XXXX
n
n
n+1
n+1
3542H–DFLASH–4/08