Figure 4–26 on, Figure 4–26 – Altera ALTDLL User Manual
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2
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©
February 2012
Al
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Figure 4–26. Data Transfer from the Bidirectional DQ Pin to the FPGA Core with 50-ps Delay Chain Activated
bidir_dq_0_input_delay_chain_inst.dataout
bidir_dq_0_ddio_in_inst.regouthi
bidir_dq_0_ddio_in_inst.regoutlo
bidir_dq_0_ipa_low_inst.dataout
bidir_dq_0_ipa_high_inst.dataout
bidir_dq_0_half_rate_input_inst.dataout[3:0]
bidir_dq_hr_input_data_out[31:0]
dqs_config_ena
c0
dqsn_io_config_ena
dqsn_hr_oe_in[1:0]
dqsn_io
dqs_io_config_ena
output_dq_io_config_ena
output_dq_hr_oe_in[1:0]
output_dq_0_oe_hr_ddio_out_inst.dataout
output_dq_0_oe_ddio_oe_inst.dataout
output_dq_0_oe_delay_chain1_inst.dataout
output_dq_0_oe_delay_chain2_inst.dataout
output_dq_hr_output_data_in[3:0]
output_dq_0_output_hr_ddio_out_high_inst.dataout
5.10us
5.12us
5.14us
5.16us
5.18us
5.20us
5.22us
5.24us
5.26us
5.28us
5.30us
5.32us
5.34us
5.36us
5.38us
5.40us
5.42us
5.44us
5.46us
bidir_dq_io[7:0]
dqs_hr_oe_in[1:0]
dqs_hr_output_data_in[3:0]
dqs_output_hr_ddio_out_low_inst.dataout
dqs_output_hr_ddio_out_high_inst.dataout
dqs_output_delay_chain1_inst.dataout
dqs_output_delay_chain2_inst.dataout
dqs_output_ddio_out_inst.dataout
dqs_io
FF
00
FF
F
3
0
8
F
FFFFFFFF
00000000
FFFFFFFF
F
0
F
output_dq_0_output_ddio_out_inst.dataout
output_dq_0_output_hr_ddio_out_low_inst.dataout
bidir_dq_0_input_delay_chain_inst.datain
[1]
[9]
[10]