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38 | // of this file at all times. |
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39 | //***************************************************************************** |
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40 | // ____ ____ |
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41 | // / /\/ / |
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42 | // /___/ \ / Vendor: Xilinx |
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43 | // \ \ \/ Version: 3.6 |
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44 | // \ \ Application: MIG |
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45 | // / / Filename: ddr2_phy_top.v |
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46 | // /___/ /\ Date Last Modified: $Date: 2010/06/29 12:03:43 $ |
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47 | // \ \ / \ Date Created: Wed Aug 16 2006 |
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48 | // \___\/\___\ |
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49 | // |
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50 | //Device: Virtex-5 |
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51 | //Design Name: DDR2 |
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52 | //Purpose: |
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53 | // Top-level for memory physical layer (PHY) interface |
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54 | //Reference: |
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55 | //Revision History: |
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56 | // Rev 1.1 - Parameter USE_DM_PORT added. PK. 6/25/08 |
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57 | // Rev 1.2 - Parameter HIGH_PERFORMANCE_MODE added. PK. 7/10/08 |
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58 | // Rev 1.3 - Parameter CS_BITS added. PK. 10/8/08 |
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59 | // Rev 1.4 - Parameter IODELAY_GRP added. PK. 11/27/08 |
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60 | //***************************************************************************** |
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61 | |
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62 | `timescale 1ns/1ps |
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63 | |
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64 | (* X_CORE_INFO = "mig_v3_6_ddr2_sdram_v5, Coregen 12.3" , CORE_GENERATION_INFO = "ddr2_sdram_v5,mig_v3_6,{component_name=ddr2_phy_top, BANK_WIDTH=2, CKE_WIDTH=1, CLK_WIDTH=2, COL_WIDTH=10, CS_NUM=1, CS_WIDTH=1, DM_WIDTH=8, DQ_WIDTH=64, DQ_PER_DQS=8, DQS_WIDTH=8, ODT_WIDTH=1, ROW_WIDTH=13, ADDITIVE_LAT=0, BURST_LEN=4, BURST_TYPE=0, CAS_LAT=3, ECC_ENABLE=0, MULTI_BANK_EN=1, TWO_T_TIME_EN=1, ODT_TYPE=1, REDUCE_DRV=0, REG_ENABLE=0, TREFI_NS=7800, TRAS=40000, TRCD=15000, TRFC=105000, TRP=15000, TRTP=7500, TWR=15000, TWTR=7500, CLK_PERIOD=5000, RST_ACT_LOW=1, INTERFACE_TYPE=DDR2_SDRAM, LANGUAGE=Verilog, SYNTHESIS_TOOL=ISE, NO_OF_CONTROLLERS=1}" *) |
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65 | module ddr2_phy_top # |
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66 | ( |
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67 | // Following parameters are for 72-bit RDIMM design (for ML561 Reference |
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68 | // board design). Actual values may be different. Actual parameters values |
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69 | // are passed from design top module dram module. Please refer to |
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70 | // the dram module for actual values. |
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71 | parameter BANK_WIDTH = 2, |
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72 | parameter CLK_WIDTH = 1, |
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73 | parameter CKE_WIDTH = 1, |
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74 | parameter COL_WIDTH = 10, |
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75 | parameter CS_BITS = 0, |
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76 | parameter CS_NUM = 1, |
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77 | parameter CS_WIDTH = 1, |
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78 | parameter USE_DM_PORT = 1, |
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79 | parameter DM_WIDTH = 9, |
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80 | parameter DQ_WIDTH = 72, |
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81 | parameter DQ_BITS = 7, |
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82 | parameter DQ_PER_DQS = 8, |
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83 | parameter DQS_WIDTH = 9, |
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84 | parameter DQS_BITS = 4, |
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85 | parameter HIGH_PERFORMANCE_MODE = "TRUE", |
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86 | parameter IODELAY_GRP = "IODELAY_MIG", |
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87 | parameter ODT_WIDTH = 1, |
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88 | parameter ROW_WIDTH = 14, |
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89 | parameter ADDITIVE_LAT = 0, |
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90 | parameter TWO_T_TIME_EN = 0, |
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91 | parameter BURST_LEN = 4, |
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92 | parameter BURST_TYPE = 0, |
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93 | parameter CAS_LAT = 5, |
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94 | parameter TWR = 15000, |
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95 | parameter ECC_ENABLE = 0, |
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96 | parameter ODT_TYPE = 1, |
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97 | parameter DDR_TYPE = 1, |
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98 | parameter REDUCE_DRV = 0, |
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99 | parameter REG_ENABLE = 1, |
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100 | parameter CLK_PERIOD = 3000, |
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101 | parameter SIM_ONLY = 0, |
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102 | parameter DEBUG_EN = 0, |
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103 | parameter FPGA_SPEED_GRADE = 2 |
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104 | ) |
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105 | ( |
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106 | input clk0, |
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107 | input clk90, |
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108 | input clkdiv0, |
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109 | input rst0, |
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110 | input rst90, |
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111 | input rstdiv0, |
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112 | input ctrl_wren, |
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113 | input [ROW_WIDTH-1:0] ctrl_addr, |
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114 | input [BANK_WIDTH-1:0] ctrl_ba, |
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115 | input ctrl_ras_n, |
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116 | input ctrl_cas_n, |
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117 | input ctrl_we_n, |
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118 | input [CS_NUM-1:0] ctrl_cs_n, |
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119 | input ctrl_rden, |
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120 | input ctrl_ref_flag, |
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121 | input [(2*DQ_WIDTH)-1:0] wdf_data, |
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122 | input [(2*DQ_WIDTH/8)-1:0] wdf_mask_data, |
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123 | output wdf_rden, |
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124 | output phy_init_done, |
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125 | output [DQS_WIDTH-1:0] phy_calib_rden, |
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126 | output [DQS_WIDTH-1:0] phy_calib_rden_sel, |
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127 | output [DQ_WIDTH-1:0] rd_data_rise, |
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128 | output [DQ_WIDTH-1:0] rd_data_fall, |
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129 | output [CLK_WIDTH-1:0] ddr_ck, |
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130 | output [CLK_WIDTH-1:0] ddr_ck_n, |
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131 | output [ROW_WIDTH-1:0] ddr_addr, |
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132 | output [BANK_WIDTH-1:0] ddr_ba, |
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133 | output ddr_ras_n, |
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134 | output ddr_cas_n, |
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135 | output ddr_we_n, |
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136 | output [CS_WIDTH-1:0] ddr_cs_n, |
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137 | output [CKE_WIDTH-1:0] ddr_cke, |
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138 | output [ODT_WIDTH-1:0] ddr_odt, |
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139 | output [DM_WIDTH-1:0] ddr_dm, |
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140 | inout [DQS_WIDTH-1:0] ddr_dqs, |
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141 | inout [DQS_WIDTH-1:0] ddr_dqs_n, |
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142 | inout [DQ_WIDTH-1:0] ddr_dq, |
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143 | // Debug signals (optional use) |
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144 | input dbg_idel_up_all, |
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145 | input dbg_idel_down_all, |
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146 | input dbg_idel_up_dq, |
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147 | input dbg_idel_down_dq, |
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148 | input dbg_idel_up_dqs, |
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149 | input dbg_idel_down_dqs, |
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150 | input dbg_idel_up_gate, |
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151 | input dbg_idel_down_gate, |
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152 | input [DQ_BITS-1:0] dbg_sel_idel_dq, |
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153 | input dbg_sel_all_idel_dq, |
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154 | input [DQS_BITS:0] dbg_sel_idel_dqs, |
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155 | input dbg_sel_all_idel_dqs, |
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156 | input [DQS_BITS:0] dbg_sel_idel_gate, |
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157 | input dbg_sel_all_idel_gate, |
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158 | output [3:0] dbg_calib_done, |
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159 | output [3:0] dbg_calib_err, |
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160 | output [(6*DQ_WIDTH)-1:0] dbg_calib_dq_tap_cnt, |
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161 | output [(6*DQS_WIDTH)-1:0] dbg_calib_dqs_tap_cnt, |
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162 | output [(6*DQS_WIDTH)-1:0] dbg_calib_gate_tap_cnt, |
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163 | output [DQS_WIDTH-1:0] dbg_calib_rd_data_sel, |
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164 | output [(5*DQS_WIDTH)-1:0] dbg_calib_rden_dly, |
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165 | output [(5*DQS_WIDTH)-1:0] dbg_calib_gate_dly |
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166 | ); |
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167 | |
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168 | wire [3:0] calib_done; |
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169 | wire calib_ref_done; |
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170 | wire calib_ref_req; |
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171 | wire [3:0] calib_start; |
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172 | wire dm_ce; |
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173 | wire [1:0] dq_oe_n; |
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174 | wire dqs_oe_n; |
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175 | wire dqs_rst_n; |
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176 | wire [(DQ_WIDTH/8)-1:0] mask_data_fall; |
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177 | wire [(DQ_WIDTH/8)-1:0] mask_data_rise; |
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178 | wire [CS_NUM-1:0] odt; |
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179 | wire [ROW_WIDTH-1:0] phy_init_addr; |
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180 | wire [BANK_WIDTH-1:0] phy_init_ba; |
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181 | wire phy_init_cas_n; |
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182 | wire [CKE_WIDTH-1:0] phy_init_cke; |
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183 | wire [CS_NUM-1:0] phy_init_cs_n; |
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184 | wire phy_init_data_sel; |
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185 | wire phy_init_ras_n; |
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186 | wire phy_init_rden; |
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187 | wire phy_init_we_n; |
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188 | wire phy_init_wren; |
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189 | wire [DQ_WIDTH-1:0] wr_data_fall; |
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190 | wire [DQ_WIDTH-1:0] wr_data_rise; |
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191 | |
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192 | //*************************************************************************** |
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193 | |
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194 | ddr2_phy_write # |
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195 | ( |
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196 | .DQ_WIDTH (DQ_WIDTH), |
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197 | .CS_NUM (CS_NUM), |
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198 | .ADDITIVE_LAT (ADDITIVE_LAT), |
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199 | .CAS_LAT (CAS_LAT), |
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200 | .ECC_ENABLE (ECC_ENABLE), |
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201 | .ODT_TYPE (ODT_TYPE), |
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202 | .REG_ENABLE (REG_ENABLE), |
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203 | .DDR_TYPE (DDR_TYPE) |
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204 | ) |
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205 | u_phy_write |
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206 | ( |
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207 | .clk0 (clk0), |
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208 | .clk90 (clk90), |
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209 | .rst90 (rst90), |
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210 | .wdf_data (wdf_data), |
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211 | .wdf_mask_data (wdf_mask_data), |
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212 | .ctrl_wren (ctrl_wren), |
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213 | .phy_init_wren (phy_init_wren), |
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214 | .phy_init_data_sel (phy_init_data_sel), |
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215 | .dm_ce (dm_ce), |
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216 | .dq_oe_n (dq_oe_n), |
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217 | .dqs_oe_n (dqs_oe_n), |
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218 | .dqs_rst_n (dqs_rst_n), |
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219 | .wdf_rden (wdf_rden), |
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220 | .odt (odt), |
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221 | .wr_data_rise (wr_data_rise), |
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222 | .wr_data_fall (wr_data_fall), |
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223 | .mask_data_rise (mask_data_rise), |
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224 | .mask_data_fall (mask_data_fall) |
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225 | ); |
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226 | |
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227 | ddr2_phy_io # |
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228 | ( |
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229 | .CLK_WIDTH (CLK_WIDTH), |
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230 | .USE_DM_PORT (USE_DM_PORT), |
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231 | .DM_WIDTH (DM_WIDTH), |
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232 | .DQ_WIDTH (DQ_WIDTH), |
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233 | .DQ_BITS (DQ_BITS), |
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234 | .DQ_PER_DQS (DQ_PER_DQS), |
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235 | .DQS_BITS (DQS_BITS), |
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236 | .DQS_WIDTH (DQS_WIDTH), |
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237 | .HIGH_PERFORMANCE_MODE (HIGH_PERFORMANCE_MODE), |
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238 | .IODELAY_GRP (IODELAY_GRP), |
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239 | .ODT_WIDTH (ODT_WIDTH), |
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240 | .ADDITIVE_LAT (ADDITIVE_LAT), |
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241 | .CAS_LAT (CAS_LAT), |
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242 | .REG_ENABLE (REG_ENABLE), |
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243 | .CLK_PERIOD (CLK_PERIOD), |
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244 | .DDR_TYPE (DDR_TYPE), |
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245 | .SIM_ONLY (SIM_ONLY), |
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246 | .DEBUG_EN (DEBUG_EN), |
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247 | .FPGA_SPEED_GRADE (FPGA_SPEED_GRADE) |
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248 | ) |
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249 | u_phy_io |
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250 | ( |
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251 | .clk0 (clk0), |
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252 | .clk90 (clk90), |
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253 | .clkdiv0 (clkdiv0), |
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254 | .rst0 (rst0), |
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255 | .rst90 (rst90), |
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256 | .rstdiv0 (rstdiv0), |
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257 | .dm_ce (dm_ce), |
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258 | .dq_oe_n (dq_oe_n), |
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259 | .dqs_oe_n (dqs_oe_n), |
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260 | .dqs_rst_n (dqs_rst_n), |
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261 | .calib_start (calib_start), |
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262 | .ctrl_rden (ctrl_rden), |
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263 | .phy_init_rden (phy_init_rden), |
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264 | .calib_ref_done (calib_ref_done), |
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265 | .calib_done (calib_done), |
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266 | .calib_ref_req (calib_ref_req), |
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267 | .calib_rden (phy_calib_rden), |
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268 | .calib_rden_sel (phy_calib_rden_sel), |
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269 | .wr_data_rise (wr_data_rise), |
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270 | .wr_data_fall (wr_data_fall), |
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271 | .mask_data_rise (mask_data_rise), |
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272 | .mask_data_fall (mask_data_fall), |
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273 | .rd_data_rise (rd_data_rise), |
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274 | .rd_data_fall (rd_data_fall), |
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275 | .ddr_ck (ddr_ck), |
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276 | .ddr_ck_n (ddr_ck_n), |
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277 | .ddr_dm (ddr_dm), |
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278 | .ddr_dqs (ddr_dqs), |
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279 | .ddr_dqs_n (ddr_dqs_n), |
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280 | .ddr_dq (ddr_dq), |
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281 | .dbg_idel_up_all (dbg_idel_up_all), |
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282 | .dbg_idel_down_all (dbg_idel_down_all), |
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283 | .dbg_idel_up_dq (dbg_idel_up_dq), |
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284 | .dbg_idel_down_dq (dbg_idel_down_dq), |
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285 | .dbg_idel_up_dqs (dbg_idel_up_dqs), |
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286 | .dbg_idel_down_dqs (dbg_idel_down_dqs), |
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287 | .dbg_idel_up_gate (dbg_idel_up_gate), |
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288 | .dbg_idel_down_gate (dbg_idel_down_gate), |
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289 | .dbg_sel_idel_dq (dbg_sel_idel_dq), |
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290 | .dbg_sel_all_idel_dq (dbg_sel_all_idel_dq), |
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291 | .dbg_sel_idel_dqs (dbg_sel_idel_dqs), |
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292 | .dbg_sel_all_idel_dqs (dbg_sel_all_idel_dqs), |
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293 | .dbg_sel_idel_gate (dbg_sel_idel_gate), |
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294 | .dbg_sel_all_idel_gate (dbg_sel_all_idel_gate), |
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295 | .dbg_calib_done (dbg_calib_done), |
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296 | .dbg_calib_err (dbg_calib_err), |
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297 | .dbg_calib_dq_tap_cnt (dbg_calib_dq_tap_cnt), |
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298 | .dbg_calib_dqs_tap_cnt (dbg_calib_dqs_tap_cnt), |
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299 | .dbg_calib_gate_tap_cnt (dbg_calib_gate_tap_cnt), |
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300 | .dbg_calib_rd_data_sel (dbg_calib_rd_data_sel), |
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301 | .dbg_calib_rden_dly (dbg_calib_rden_dly), |
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302 | .dbg_calib_gate_dly (dbg_calib_gate_dly) |
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303 | ); |
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304 | |
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305 | ddr2_phy_ctl_io # |
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306 | ( |
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307 | .BANK_WIDTH (BANK_WIDTH), |
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308 | .CKE_WIDTH (CKE_WIDTH), |
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309 | .COL_WIDTH (COL_WIDTH), |
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310 | .CS_NUM (CS_NUM), |
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311 | .CS_WIDTH (CS_WIDTH), |
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312 | .TWO_T_TIME_EN (TWO_T_TIME_EN), |
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313 | .ODT_WIDTH (ODT_WIDTH), |
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314 | .ROW_WIDTH (ROW_WIDTH), |
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315 | .DDR_TYPE (DDR_TYPE) |
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316 | ) |
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317 | u_phy_ctl_io |
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318 | ( |
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319 | .clk0 (clk0), |
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320 | .clk90 (clk90), |
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321 | .rst0 (rst0), |
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322 | .rst90 (rst90), |
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323 | .ctrl_addr (ctrl_addr), |
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324 | .ctrl_ba (ctrl_ba), |
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325 | .ctrl_ras_n (ctrl_ras_n), |
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326 | .ctrl_cas_n (ctrl_cas_n), |
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327 | .ctrl_we_n (ctrl_we_n), |
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328 | .ctrl_cs_n (ctrl_cs_n), |
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329 | .phy_init_addr (phy_init_addr), |
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330 | .phy_init_ba (phy_init_ba), |
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331 | .phy_init_ras_n (phy_init_ras_n), |
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332 | .phy_init_cas_n (phy_init_cas_n), |
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333 | .phy_init_we_n (phy_init_we_n), |
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334 | .phy_init_cs_n (phy_init_cs_n), |
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335 | .phy_init_cke (phy_init_cke), |
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336 | .phy_init_data_sel (phy_init_data_sel), |
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337 | .odt (odt), |
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338 | .ddr_addr (ddr_addr), |
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339 | .ddr_ba (ddr_ba), |
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340 | .ddr_ras_n (ddr_ras_n), |
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341 | .ddr_cas_n (ddr_cas_n), |
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342 | .ddr_we_n (ddr_we_n), |
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343 | .ddr_cke (ddr_cke), |
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344 | .ddr_cs_n (ddr_cs_n), |
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345 | .ddr_odt (ddr_odt) |
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346 | ); |
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347 | |
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348 | ddr2_phy_init # |
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349 | ( |
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350 | .BANK_WIDTH (BANK_WIDTH), |
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351 | .CKE_WIDTH (CKE_WIDTH), |
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352 | .COL_WIDTH (COL_WIDTH), |
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353 | .CS_BITS (CS_BITS), |
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354 | .CS_NUM (CS_NUM), |
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355 | .DQ_WIDTH (DQ_WIDTH), |
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356 | .ODT_WIDTH (ODT_WIDTH), |
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357 | .ROW_WIDTH (ROW_WIDTH), |
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358 | .ADDITIVE_LAT (ADDITIVE_LAT), |
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359 | .BURST_LEN (BURST_LEN), |
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360 | .BURST_TYPE (BURST_TYPE), |
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361 | .TWO_T_TIME_EN(TWO_T_TIME_EN), |
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362 | .CAS_LAT (CAS_LAT), |
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363 | .ODT_TYPE (ODT_TYPE), |
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364 | .REDUCE_DRV (REDUCE_DRV), |
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365 | .REG_ENABLE (REG_ENABLE), |
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366 | .TWR (TWR), |
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367 | .CLK_PERIOD (CLK_PERIOD), |
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368 | .DDR_TYPE (DDR_TYPE), |
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369 | .SIM_ONLY (SIM_ONLY) |
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370 | ) |
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371 | u_phy_init |
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372 | ( |
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373 | .clk0 (clk0), |
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374 | .clkdiv0 (clkdiv0), |
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375 | .rst0 (rst0), |
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376 | .rstdiv0 (rstdiv0), |
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377 | .calib_done (calib_done), |
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378 | .ctrl_ref_flag (ctrl_ref_flag), |
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379 | .calib_ref_req (calib_ref_req), |
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380 | .calib_start (calib_start), |
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381 | .calib_ref_done (calib_ref_done), |
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382 | .phy_init_wren (phy_init_wren), |
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383 | .phy_init_rden (phy_init_rden), |
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384 | .phy_init_addr (phy_init_addr), |
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385 | .phy_init_ba (phy_init_ba), |
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386 | .phy_init_ras_n (phy_init_ras_n), |
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387 | .phy_init_cas_n (phy_init_cas_n), |
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388 | .phy_init_we_n (phy_init_we_n), |
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389 | .phy_init_cs_n (phy_init_cs_n), |
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390 | .phy_init_cke (phy_init_cke), |
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391 | .phy_init_done (phy_init_done), |
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392 | .phy_init_data_sel (phy_init_data_sel) |
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393 | ); |
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394 | |
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395 | endmodule |
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