at45db321d-su-sl955 ATMEL Corporation, at45db321d-su-sl955 Datasheet - Page 38

• Manufacturer Part Number: at45db321d-su-sl955
• Description: 32-megabit 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 512 Bytes (Except Status
Register Read, Manufacturer and Device ID Read)
Command Sequence for Read/Write Operations for Page Size 528 Bytes (Except Status
Register Read, Manufacturer and Device ID Read)
SO (OUTPUT)
AT45DB321D [Preliminary]
SI (INPUT)
RESET
SI (INPUT)
SCK
CS
MSB
SI (INPUT)
MSB
HIGH IMPEDANCE
Don’t Care
1 Don’t Care
Bits
X X
CMD
Bit
X X X XX X X X
X X X X X X X X X X X X X X
CMD
8 bits
Page Address
(PA12 - PA0)
Page Address
8 bits
(A21 - A9)
8 bits
X X X X
8 bits
8 bits
X X X X
(A8 - A0/BFA8 - BFA0)
8 bits
Byte/Buffer Address
(BA9 - BA0/BFA9 - BFA0)
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
3597I–DFLASH–8/07