at45db041b ATMEL Corporation, at45db041b Datasheet - Page 16

• Manufacturer Part Number: at45db041b
• Description: At45db041b 4-megabit 2.5-volt Or 2.7-volt Dataflash
• Manufacturer: ATMEL Corporation

11.4
Notes:
16
Command Sequence for Read/Write Operations (except Status Register Read)
1. “r” designates bits reserved for larger densities.
2. It is recommended that “r” be a logical “0” for densities of 4M bits or smaller.
3. For densities larger than 4M bits, the “r” bits become the most significant Page Address bit for the appropriate density.
AT45DB041B
MSB
larger densities
Reserved for
SI
r r r r X X X X
CMD
Page Address
(PA10-PA0)
X X X X X X X X
8 bits
8 bits
(BA8-BA0/BFA8-BFA0)
Byte/Buffer Address
X X X X X X X X
8 bits
LSB
3443D–DFLSH–2/08