Datasheet

490
8331B–AVR–03/12
Atmel AVR XMEGA AU
Figure 36-47. Burst access crossing page boundary
* The number of NOPs is equal to ROWCOLDLY[2:0] (ROWCOLDLY = 1 is shown)
** The number of NOPs is equal to WRDLY[1:0] + 1 (WRDLY = 0 is shown)
*** The number of NOPs is equal to RPDLY[1:0] (RPDLY = 1 is shown)
Bank Adr
Row Adr Col Adr
Active Write NOP* NOP**
Burst access crossing page boundary
0x0
0x400
Precharge All Banks Write
Col Adr
Write
Bank Adr 0x0
Row Adr Col Adr 0x400
Precharge All Banks Active NOP* NOP***
D[3:0] D[7:4] D[3:0] D[7:4] D[3:0] D[7:4]
CLK
CKE
CAS
RAS
DQM
BA[1:0]
A[11:0]
D
Clk
PER2
WE
CS