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Intel
®
IXP43X Product Line of Network Processors
April 2007 HDG
Document Number: 316844; Revision: 001US 73
Hardware Design Guidelines—Intel
®
IXP43X Product Line of Network Processors
Figure 25. Processor-DDRII/I SDRAM Interface
DATA[31:0]
ADDRESS[13:0]
CLOCK[2:0], CLOCK#[2:0]
CLOCK ENABLE[1:0]
CHIP SELECT#[1:0]
BANK SELECT[1:0]
DATA MASK[4:0]
WRITE#, RAS#, CAS#
ECC DATA[7:0]
DATA STROBE[4:0]
DDRII/I_DQ[31:0]
DDRII/I_MA[13:0]
DDRII/I_CK[2:0]
DDRII/I_CK_N[2:0]
DDRII/I_CKE[1:0]
DDRII/I_CS_N[1:0]
DDRII/I_BA[1:0]
DDRII/I_CB[7:0]
DDRII/I_DM[4:0]
DDRII/I_DQS[4:0]
DDRII/I_WE_N
DDRII/I_RAS_N
DDRII/I_CAS_N
DQ[31:0]
A[13:0]
CK[2:0]
CK#[2:0]
CKE[1:0]
CS#[1:0]
BA[1:0]
DQ[7:0]
DM[4:0]
DQS[4:0]
WE#
RAS#
CAS#
DDR SDRAM
Intel® IXP43X Product Line of Network Processors
B3986-003