at45db081d-su-sl955 ATMEL Corporation, at45db081d-su-sl955 Datasheet - Page 38

• Manufacturer Part Number: at45db081d-su-sl955
• Description: 8-megabit 2.5-volt Or 2.7-volt Dataflash
• Manufacturer: ATMEL Corporation

21.6
Note:
21.7
21.8
38
Reset Timing
The CS signal should be in the high state before the RESET signal is deasserted.
Command Sequence for Read/Write Operations for Page Size 256 Bytes (Except Status
Register Read, Manufacturer and Device ID Read)
Command Sequence for Read/Write Operations for Page Size 264 Bytes (Except Status
Register Read, Manufacturer and Device ID Read)
SO (OUTPUT)
AT45DB081D
SI (INPUT)
RESET
SI (INPUT)
SCK
CS
MSB
SI (INPUT)
MSB
HIGH IMPEDANCE
4 Don’t Care
3 Don’t Care
X X X X X X X X
X X X X X X X X X
Bits
CMD
Bits
CMD
8 bits
Page Address
(PA11 - PA0)
Page Address
8 bits
(A19 - A8)
X X X X X X X
8 bits
X X X X
8 bits
8 bits
X X
(A7 - A0/BFA7 - BFA0)
8 bits
Byte/Buffer Address
(BA8 - BA0/BFA8 - BFA0)
X X X X X X X X
X
Byte/Buffer Address
X X X X X X X X
t RST
t REC
HIGH IMPEDANCE
LSB
LSB
t CSS
3596I–DFLASH–4/08