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Altera_Forum
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16 years ago

DDR input without DPA in Arria II GX

Hello I am using arria ii gx to communicate with a high speed device. The device is sending DDR data, data with a data clock, dclk. dclk and data are source synchronous. I need to capture the d...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
16 years ago

I used it in virtex iv .. here is an instantiation

IDELAY # (

.IOBDELAY_TYPE ("VARIABLE"),

.IOBDELAY_VALUE (`DQ_DEFAULT_DLY)

)

IDLY_inst_[`data_width-1:0]

(

.O (idly_out[`data_width-1:0]),

.I (DDR_DQ[`data_width-1:0]), //ADC Data

.C (CLK),

.CE (dq_idelay_ce[`data_width-1:0]),

.INC (dq_idelay_inc[`data_width-1:0]),

.RST (dq_idelay_rst[`data_width-1:0])

);