AT45DB321C-RI ATMEL [ATMEL Corporation], AT45DB321C-RI Datasheet - Page 22

• Manufacturer Part Number: AT45DB321C-RI
• Description: 32 MEGABIT 2.7 VOLT DATAFLASH
• Manufacturer: ATMEL [ATMEL Corporation]

Reset Timing
Note:
Command Sequence for Read/Write Operations (except Status Register Read)
Notes:
22
RESET
SCK
SO
CS
SI
The CS signal should be in the high state before the RESET signal is deasserted.
1. “r” designates bits reserved for larger densities.
2. It is recommended that “r” be a logical “0” for densities of 32M bits or smaller.
3. For densities larger than 32M bits, the “r” bit becomes the most significant Page Address bit for the appropriate density.
AT45DB321C [Preliminary]
MSB
larger densities
Reserved for
HIGH IMPEDANCE
SI
r X X X X X X X
Page Address
(PA12-PA0)
CMD
X X X X X X X X
8 bits
8 bits
(BA9-BA0/BFA9-BFA0)
Byte/Buffer Address
X X X X X X X X
8 bits
t
RST
t
REC
HIGH IMPEDANCE
LSB
3387B–DFLSH–9/04
t
CSS