Opus card – ddr-2 interface, Reference manual – Digilent DDR-2 Opus Card User Manual
Page 11
Opus Card – DDR-2 Interface
Reference Manual
12/03/2010 07:35 AM
11
Copyright © 2009-2010 by CML
2.3.5 Burst Memory Write – Two 64-bit Words
1
2
3
4
5
6
7
8
9
10
11
12
13
Write
Address
Word 1
Word 2
0x0
Word 1
Address
Byte Enables (All 1's for a burst)
Idle
Wait_WrReq
Wr_Burst1
Wr_Burst2
Word 2
Address+0x8
Save_W1
Idle
Wr_BurstD
TimeGen
DDR2_Clk
Bus2IP_Clk
Bus2IP_CS
Bus2IP_Burst
Bus2IP_RNW
Bus2IP_Addr
Bus2IP_BE
Bus2IP_WrReq
Bus2IP_Data
IP2Bus_AddrAck
IP2Bus_WrAck
App_AF_WREn
App_AF_Cmd
App_AF_Addr
App_WDF_WREn
App_WDF_Data
App_WDF_Mask_Data
State
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