Datasheet

488
8331B–AVR–03/12
Atmel AVR XMEGA AU
Figure 36-45. Two consecutive writes
* 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)
Precharge All Banks
Bank Adr 0x0
Row Adr Col Adr 0x400
Active Write NOP* NOP**
Two consecutive writes
Bank Adr 0x0
Row Adr Col Adr 0x400
Precharge All Banks Active Write NOP* NOP**
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