LSI Logic Confidential
13-4
SDRAM Interface
Copyright © 2001, 2002 by LSI Logic Corporation. All rights reserved.
Figure 13.2 16-Bit DRAM Connections Using SDR SDRAM
SDRAM_RAS
SDRAM_CAS
SDRAM_WE
SDRAM_CLK[0]
SDRAM_A[11:0]
SDRAM_DQM[3:0]
SDRAM_DQ[31:0]
SDRAM_CKE
SDRAM_CLK[1]
Processor
RAS
CAS
CS
CKE
LDQM
UDQM
DQ[15:0] A[11:0]
CLK
WE
DQ[15:0]
DQ[32:16]
DQM0
DQM1
RAS
CAS
CS
CKE
LDQM
UDQM
DQ[15:0] A[11:0]
CLK
WE
DQM2
DQM3
DQM2
DQM3
RAS
CAS
CS
CKE
LDQM
UDQM
DQ[15:0] A[11:0]
CLK
CKE
LDQM
UDQM
CLK
WE
DQ[15:0]
DQ[32:16]
DQM0
DQM1
RAS
CAS
CS
DQ[15:0] A[11:0]
WE
MADDR[14]
MADDR[15]
8M x 16 (4 banks)
8M x 16 (4 banks)
8M x 16 (4 banks)
8M x 16 (4 banks)
BA[1:0]
BA[1:0]
BA[1:0]
BA[1:0]
MADDR[13:12]
Содержание DMN-8600
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