Cs si (input), So (output) cs si (input) so (output) – Rainbow Electronics AT45DB642 User Manual
Page 56
Advertising
56
AT45DB321E [PRELIMINARY DATASHEET]
8784B–DFLASH–11/2012
Figure 24-3. Main Memory Page to Buffer Transfer
Data From the selected Flash Page is read into either SRAM Buffer
Figure 24-4. Buffer Read
CS
SI (Input)
CMD
XX, PA12-6
PA5-0, XX
XXXX XXXX
Starts Reading Page Data into Buffer
Binary Page Size
A21-A9 + 9 Dummy Bits
SO (Output)
CS
SI (Input)
SO (Output)
n
CMD
X
X...X, BFA9-8
BFA7-0
X
Address for Binary Page Size
A21-A16
A15-A8
A7-A0
n
n + 1
No Dummy Byte (opcodes D1H and D3H)
1 Dummy Byte (opcodes D4H and D6H)
Each transition represents eight bits
Advertising