AT45DB321D ATMEL [ATMEL Corporation], AT45DB321D Datasheet - Page 38

• Manufacturer Part Number: AT45DB321D
• Description: 32-megabit 2.7-volt DataFlash
• Manufacturer: ATMEL [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
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
3597J–DFLASH–4/08