constraints/arctic-tern.lpf

   1 LOCATE COMP "ext_clk" SITE "B6";
   2 IOBUF PORT "ext_clk" IO_TYPE=LVCMOS33;
   3
   4 # GPIO5
   5 LOCATE COMP "ext_rst_n" SITE "T3";
   6 IOBUF PORT "ext_rst_n" PULLMODE=UP IO_TYPE=LVCMOS33 DRIVE=4;
   7
   8 LOCATE COMP "uart0_txd" SITE "A7";
   9 LOCATE COMP "uart0_rxd" SITE "B8";
  10
  11 IOBUF PORT "uart0_txd" IO_TYPE=LVCMOS33;
  12 IOBUF PORT "uart0_rxd" IO_TYPE=LVCMOS33;
  13
  14 LOCATE COMP "ddram_a[0]"  SITE "J1";
  15 LOCATE COMP "ddram_a[1]"  SITE "K1";
  16 LOCATE COMP "ddram_a[2]"  SITE "G2";
  17 LOCATE COMP "ddram_a[3]"  SITE "H2";
  18 LOCATE COMP "ddram_a[4]"  SITE "F1";
  19 LOCATE COMP "ddram_a[5]"  SITE "G1";
  20 LOCATE COMP "ddram_a[6]"  SITE "J4";
  21 LOCATE COMP "ddram_a[7]"  SITE "J3";
  22 LOCATE COMP "ddram_a[8]"  SITE "J5";
  23 LOCATE COMP "ddram_a[9]"  SITE "K3";
  24 LOCATE COMP "ddram_a[10]" SITE "K2";
  25 LOCATE COMP "ddram_a[11]" SITE "H1";
  26 LOCATE COMP "ddram_a[12]" SITE "M5";
  27 LOCATE COMP "ddram_a[13]" SITE "K4";
  28 LOCATE COMP "ddram_a[14]" SITE "L4";
  29 IOBUF PORT "ddram_a[0]"  IO_TYPE=SSTL135_I SLEWRATE=FAST;
  30 IOBUF PORT "ddram_a[1]"  IO_TYPE=SSTL135_I SLEWRATE=FAST;
  31 IOBUF PORT "ddram_a[2]"  IO_TYPE=SSTL135_I SLEWRATE=FAST;
  32 IOBUF PORT "ddram_a[3]"  IO_TYPE=SSTL135_I SLEWRATE=FAST;
  33 IOBUF PORT "ddram_a[4]"  IO_TYPE=SSTL135_I SLEWRATE=FAST;
  34 IOBUF PORT "ddram_a[5]"  IO_TYPE=SSTL135_I SLEWRATE=FAST;
  35 IOBUF PORT "ddram_a[6]"  IO_TYPE=SSTL135_I SLEWRATE=FAST;
  36 IOBUF PORT "ddram_a[7]"  IO_TYPE=SSTL135_I SLEWRATE=FAST;
  37 IOBUF PORT "ddram_a[8]"  IO_TYPE=SSTL135_I SLEWRATE=FAST;
  38 IOBUF PORT "ddram_a[9]"  IO_TYPE=SSTL135_I SLEWRATE=FAST;
  39 IOBUF PORT "ddram_a[10]" IO_TYPE=SSTL135_I SLEWRATE=FAST;
  40 IOBUF PORT "ddram_a[11]" IO_TYPE=SSTL135_I SLEWRATE=FAST;
  41 IOBUF PORT "ddram_a[12]" IO_TYPE=SSTL135_I SLEWRATE=FAST;
  42 IOBUF PORT "ddram_a[13]" IO_TYPE=SSTL135_I SLEWRATE=FAST;
  43 IOBUF PORT "ddram_a[14]" IO_TYPE=SSTL135_I SLEWRATE=FAST;
  44
  45 LOCATE COMP "ddram_ba[0]" SITE "K5";
  46 LOCATE COMP "ddram_ba[1]" SITE "L5";
  47 LOCATE COMP "ddram_ba[2]" SITE "M1";
  48 LOCATE COMP "ddram_cas_n" SITE "N2";
  49 LOCATE COMP "ddram_cs_n"  SITE "P5";
  50 LOCATE COMP "ddram_dm[0]" SITE "R20";
  51 LOCATE COMP "ddram_dm[1]" SITE "N18";
  52 LOCATE COMP "ddram_dm[2]" SITE "F20";
  53 LOCATE COMP "ddram_dm[3]" SITE "E18";
  54 LOCATE COMP "ddram_ras_n" SITE "L2";
  55 LOCATE COMP "ddram_we_n"  SITE "N1";
  56 IOBUF PORT "ddram_ba[0]" IO_TYPE=SSTL135_I SLEWRATE=FAST;
  57 IOBUF PORT "ddram_ba[1]" IO_TYPE=SSTL135_I SLEWRATE=FAST;
  58 IOBUF PORT "ddram_ba[2]" IO_TYPE=SSTL135_I SLEWRATE=FAST;
  59 IOBUF PORT "ddram_cas_n" IO_TYPE=SSTL135_I SLEWRATE=FAST;
  60 IOBUF PORT "ddram_cs_n"  IO_TYPE=SSTL135_I SLEWRATE=FAST;
  61 IOBUF PORT "ddram_dm[0]" IO_TYPE=SSTL135_I SLEWRATE=FAST;
  62 IOBUF PORT "ddram_dm[1]" IO_TYPE=SSTL135_I SLEWRATE=FAST;
  63 IOBUF PORT "ddram_dm[2]" IO_TYPE=SSTL135_I SLEWRATE=FAST;
  64 IOBUF PORT "ddram_dm[3]" IO_TYPE=SSTL135_I SLEWRATE=FAST;
  65 IOBUF PORT "ddram_ras_n" IO_TYPE=SSTL135_I SLEWRATE=FAST;
  66 IOBUF PORT "ddram_we_n"  IO_TYPE=SSTL135_I SLEWRATE=FAST;
  67
  68 // from litex platform, termination disabled to reduce heat
  69 LOCATE COMP "ddram_dq[0]"  SITE "T20";
  70 LOCATE COMP "ddram_dq[1]"  SITE "U17";
  71 LOCATE COMP "ddram_dq[2]"  SITE "T18";
  72 LOCATE COMP "ddram_dq[3]"  SITE "U16";
  73 LOCATE COMP "ddram_dq[4]"  SITE "U19";
  74 LOCATE COMP "ddram_dq[5]"  SITE "T17";
  75 LOCATE COMP "ddram_dq[6]"  SITE "U20";
  76 LOCATE COMP "ddram_dq[7]"  SITE "U18";
  77 LOCATE COMP "ddram_dq[8]"  SITE "L19";
  78 LOCATE COMP "ddram_dq[9]"  SITE "M18";
  79 LOCATE COMP "ddram_dq[10]" SITE "L17";
  80 LOCATE COMP "ddram_dq[11]" SITE "L16";
  81 LOCATE COMP "ddram_dq[12]" SITE "L20";
  82 LOCATE COMP "ddram_dq[13]" SITE "M19";
  83 LOCATE COMP "ddram_dq[14]" SITE "L18";
  84 LOCATE COMP "ddram_dq[15]" SITE "M20";
  85 LOCATE COMP "ddram_dq[16]" SITE "J20";
  86 LOCATE COMP "ddram_dq[17]" SITE "K18";
  87 LOCATE COMP "ddram_dq[18]" SITE "F19";
  88 LOCATE COMP "ddram_dq[19]" SITE "K19";
  89 LOCATE COMP "ddram_dq[20]" SITE "J19";
  90 LOCATE COMP "ddram_dq[21]" SITE "J18";
  91 LOCATE COMP "ddram_dq[22]" SITE "G20";
  92 LOCATE COMP "ddram_dq[23]" SITE "K20";
  93 LOCATE COMP "ddram_dq[24]" SITE "G16";
  94 LOCATE COMP "ddram_dq[25]" SITE "H18";
  95 LOCATE COMP "ddram_dq[26]" SITE "H16";
  96 LOCATE COMP "ddram_dq[27]" SITE "F18";
  97 LOCATE COMP "ddram_dq[28]" SITE "J16";
  98 LOCATE COMP "ddram_dq[29]" SITE "E17";
  99 LOCATE COMP "ddram_dq[30]" SITE "J17";
 100 LOCATE COMP "ddram_dq[31]" SITE "H17";
 101 IOBUF PORT "ddram_dq[0]"  IO_TYPE=SSTL135_I SLEWRATE=FAST TERMINATION=OFF;
 102 IOBUF PORT "ddram_dq[1]"  IO_TYPE=SSTL135_I SLEWRATE=FAST TERMINATION=OFF;
 103 IOBUF PORT "ddram_dq[2]"  IO_TYPE=SSTL135_I SLEWRATE=FAST TERMINATION=OFF;
 104 IOBUF PORT "ddram_dq[3]"  IO_TYPE=SSTL135_I SLEWRATE=FAST TERMINATION=OFF;
 105 IOBUF PORT "ddram_dq[4]"  IO_TYPE=SSTL135_I SLEWRATE=FAST TERMINATION=OFF;
 106 IOBUF PORT "ddram_dq[5]"  IO_TYPE=SSTL135_I SLEWRATE=FAST TERMINATION=OFF;
 107 IOBUF PORT "ddram_dq[6]"  IO_TYPE=SSTL135_I SLEWRATE=FAST TERMINATION=OFF;
 108 IOBUF PORT "ddram_dq[7]"  IO_TYPE=SSTL135_I SLEWRATE=FAST TERMINATION=OFF;
 109 IOBUF PORT "ddram_dq[8]"  IO_TYPE=SSTL135_I SLEWRATE=FAST TERMINATION=OFF;
 110 IOBUF PORT "ddram_dq[9]"  IO_TYPE=SSTL135_I SLEWRATE=FAST TERMINATION=OFF;
 111 IOBUF PORT "ddram_dq[10]" IO_TYPE=SSTL135_I SLEWRATE=FAST TERMINATION=OFF;
 112 IOBUF PORT "ddram_dq[11]" IO_TYPE=SSTL135_I SLEWRATE=FAST TERMINATION=OFF;
 113 IOBUF PORT "ddram_dq[12]" IO_TYPE=SSTL135_I SLEWRATE=FAST TERMINATION=OFF;
 114 IOBUF PORT "ddram_dq[13]" IO_TYPE=SSTL135_I SLEWRATE=FAST TERMINATION=OFF;
 115 IOBUF PORT "ddram_dq[14]" IO_TYPE=SSTL135_I SLEWRATE=FAST TERMINATION=OFF;
 116 IOBUF PORT "ddram_dq[15]" IO_TYPE=SSTL135_I SLEWRATE=FAST TERMINATION=OFF;
 117 IOBUF PORT "ddram_dq[16]" IO_TYPE=SSTL135_I SLEWRATE=FAST TERMINATION=OFF;
 118 IOBUF PORT "ddram_dq[17]" IO_TYPE=SSTL135_I SLEWRATE=FAST TERMINATION=OFF;
 119 IOBUF PORT "ddram_dq[18]" IO_TYPE=SSTL135_I SLEWRATE=FAST TERMINATION=OFF;
 120 IOBUF PORT "ddram_dq[19]" IO_TYPE=SSTL135_I SLEWRATE=FAST TERMINATION=OFF;
 121 IOBUF PORT "ddram_dq[20]" IO_TYPE=SSTL135_I SLEWRATE=FAST TERMINATION=OFF;
 122 IOBUF PORT "ddram_dq[21]" IO_TYPE=SSTL135_I SLEWRATE=FAST TERMINATION=OFF;
 123 IOBUF PORT "ddram_dq[22]" IO_TYPE=SSTL135_I SLEWRATE=FAST TERMINATION=OFF;
 124 IOBUF PORT "ddram_dq[23]" IO_TYPE=SSTL135_I SLEWRATE=FAST TERMINATION=OFF;
 125 IOBUF PORT "ddram_dq[24]" IO_TYPE=SSTL135_I SLEWRATE=FAST TERMINATION=OFF;
 126 IOBUF PORT "ddram_dq[25]" IO_TYPE=SSTL135_I SLEWRATE=FAST TERMINATION=OFF;
 127 IOBUF PORT "ddram_dq[26]" IO_TYPE=SSTL135_I SLEWRATE=FAST TERMINATION=OFF;
 128 IOBUF PORT "ddram_dq[27]" IO_TYPE=SSTL135_I SLEWRATE=FAST TERMINATION=OFF;
 129 IOBUF PORT "ddram_dq[28]" IO_TYPE=SSTL135_I SLEWRATE=FAST TERMINATION=OFF;
 130 IOBUF PORT "ddram_dq[29]" IO_TYPE=SSTL135_I SLEWRATE=FAST TERMINATION=OFF;
 131 IOBUF PORT "ddram_dq[30]" IO_TYPE=SSTL135_I SLEWRATE=FAST TERMINATION=OFF;
 132 IOBUF PORT "ddram_dq[31]" IO_TYPE=SSTL135_I SLEWRATE=FAST TERMINATION=OFF;
 133
 134 LOCATE COMP "ddram_dqs_n[0]" SITE "R18";
 135 LOCATE COMP "ddram_dqs_n[1]" SITE "M17";
 136 LOCATE COMP "ddram_dqs_n[2]" SITE "H20";
 137 LOCATE COMP "ddram_dqs_n[3]" SITE "G18";
 138 LOCATE COMP "ddram_dqs_p[0]" SITE "T19";
 139 LOCATE COMP "ddram_dqs_p[1]" SITE "N16";
 140 LOCATE COMP "ddram_dqs_p[2]" SITE "G19";
 141 LOCATE COMP "ddram_dqs_p[3]" SITE "F17";
 142 IOBUF PORT "ddram_dqs_n[0]" IO_TYPE=SSTL135D_I SLEWRATE=FAST DIFFRESISTOR=100 TERMINATION=OFF;
 143 IOBUF PORT "ddram_dqs_n[1]" IO_TYPE=SSTL135D_I SLEWRATE=FAST DIFFRESISTOR=100 TERMINATION=OFF;
 144 IOBUF PORT "ddram_dqs_n[2]" IO_TYPE=SSTL135D_I SLEWRATE=FAST DIFFRESISTOR=100 TERMINATION=OFF;
 145 IOBUF PORT "ddram_dqs_n[3]" IO_TYPE=SSTL135D_I SLEWRATE=FAST DIFFRESISTOR=100 TERMINATION=OFF;
 146 IOBUF PORT "ddram_dqs_p[0]" IO_TYPE=SSTL135D_I SLEWRATE=FAST DIFFRESISTOR=100 TERMINATION=OFF;
 147 IOBUF PORT "ddram_dqs_p[1]" IO_TYPE=SSTL135D_I SLEWRATE=FAST DIFFRESISTOR=100 TERMINATION=OFF;
 148 IOBUF PORT "ddram_dqs_p[2]" IO_TYPE=SSTL135D_I SLEWRATE=FAST DIFFRESISTOR=100 TERMINATION=OFF;
 149 IOBUF PORT "ddram_dqs_p[3]" IO_TYPE=SSTL135D_I SLEWRATE=FAST DIFFRESISTOR=100 TERMINATION=OFF;
 150
 151 LOCATE COMP "ddram_clk_p[0]" SITE "P19";
 152 LOCATE COMP "ddram_clk_p[1]" SITE "E16";
 153 LOCATE COMP "ddram_clk_n[0]" SITE "P18";
 154 LOCATE COMP "ddram_clk_n[1]" SITE "F16";
 155 IOBUF PORT "ddram_clk_p[0]" IO_TYPE=SSTL135D_I SLEWRATE=FAST;
 156 IOBUF PORT "ddram_clk_p[1]" IO_TYPE=SSTL135D_I SLEWRATE=FAST;
 157 IOBUF PORT "ddram_clk_n[0]" IO_TYPE=SSTL135D_I SLEWRATE=FAST;
 158 IOBUF PORT "ddram_clk_n[1]" IO_TYPE=SSTL135D_I SLEWRATE=FAST;
 159
 160 LOCATE COMP "ddram_cke"     SITE "N5";
 161 LOCATE COMP "ddram_odt"     SITE "M3";
 162 LOCATE COMP "ddram_reset_n" SITE "L1";
 163 IOBUF PORT "ddram_cke"     IO_TYPE=SSTL135_I SLEWRATE=FAST;
 164 IOBUF PORT "ddram_odt"     IO_TYPE=SSTL135_I SLEWRATE=FAST;
 165 IOBUF PORT "ddram_reset_n" IO_TYPE=SSTL135_I SLEWRATE=FAST;
 166
 167 LOCATE COMP "eth_clocks_tx" SITE "C11";
 168 LOCATE COMP "eth_clocks_rx" SITE "A9";
 169 LOCATE COMP "eth_mdio" SITE "D9";
 170 LOCATE COMP "eth_mdc" SITE "E6";
 171 LOCATE COMP "eth_rx_ctl" SITE "A8";
 172 LOCATE COMP "eth_rx_data[0]" SITE "E9";
 173 LOCATE COMP "eth_rx_data[1]" SITE "C9";
 174 LOCATE COMP "eth_rx_data[2]" SITE "D10";
 175 LOCATE COMP "eth_rx_data[3]" SITE "E10";
 176 LOCATE COMP "eth_tx_ctl" SITE "C10";
 177 LOCATE COMP "eth_tx_data[0]" SITE "B10";
 178 LOCATE COMP "eth_tx_data[1]" SITE "A10";
 179 LOCATE COMP "eth_tx_data[2]" SITE "B11";
 180 LOCATE COMP "eth_tx_data[3]" SITE "A11";
 181 IOBUF PORT "eth_clocks_tx" IO_TYPE=LVCMOS33;
 182 IOBUF PORT "eth_clocks_rx" IO_TYPE=LVCMOS33;
 183 IOBUF PORT "eth_mdio" IO_TYPE=LVCMOS33;
 184 IOBUF PORT "eth_mdc" IO_TYPE=LVCMOS33;
 185 IOBUF PORT "eth_rx_ctl" IO_TYPE=LVCMOS33;
 186 IOBUF PORT "eth_rx_data[0]" IO_TYPE=LVCMOS33;
 187 IOBUF PORT "eth_rx_data[1]" IO_TYPE=LVCMOS33;
 188 IOBUF PORT "eth_rx_data[2]" IO_TYPE=LVCMOS33;
 189 IOBUF PORT "eth_rx_data[3]" IO_TYPE=LVCMOS33;
 190 IOBUF PORT "eth_tx_ctl" IO_TYPE=LVCMOS33;
 191 IOBUF PORT "eth_tx_data[0]" IO_TYPE=LVCMOS33;
 192 IOBUF PORT "eth_tx_data[1]" IO_TYPE=LVCMOS33;
 193 IOBUF PORT "eth_tx_data[2]" IO_TYPE=LVCMOS33;
 194 IOBUF PORT "eth_tx_data[3]" IO_TYPE=LVCMOS33;
 195
 196 # Bitstream Flash device (module)
 197 LOCATE COMP "spi_flash_sck" SITE "W1";
 198 LOCATE COMP "spi_flash_cs_n" SITE "R2";
 199 LOCATE COMP "spi_flash_mosi" SITE "W2";
 200 LOCATE COMP "spi_flash_miso" SITE "V2";
 201 LOCATE COMP "spi_flash_wp_n" SITE "Y2";
 202 LOCATE COMP "spi_flash_hold_n" SITE "W1";
 203 IOBUF PORT "spi_flash_sck" IO_TYPE=LVCMOS33;
 204 IOBUF PORT "spi_flash_cs_n" IO_TYPE=LVCMOS33;
 205 IOBUF PORT "spi_flash_mosi" IO_TYPE=LVCMOS33;
 206 IOBUF PORT "spi_flash_miso" IO_TYPE=LVCMOS33;
 207 IOBUF PORT "spi_flash_wp_n" IO_TYPE=LVCMOS33;
 208 IOBUF PORT "spi_flash_hold_n" IO_TYPE=LVCMOS33;
 209
 210 # LPC slave
 211 LOCATE COMP "lpc_slave_data[0]" SITE "C4";
 212 LOCATE COMP "lpc_slave_data[1]" SITE "A3";
 213 LOCATE COMP "lpc_slave_data[2]" SITE "B4";
 214 LOCATE COMP "lpc_slave_data[3]" SITE "B3";
 215 LOCATE COMP "lpc_slave_serirq" SITE "F4";
 216 LOCATE COMP "lpc_slave_frame_n" SITE "D3";
 217 LOCATE COMP "lpc_slave_reset_n" SITE "C3";
 218 LOCATE COMP "lpc_slave_clock" SITE "H5";
 219 IOBUF PORT "lpc_slave_data[0]" IO_TYPE=LVCMOS33;
 220 IOBUF PORT "lpc_slave_data[1]" IO_TYPE=LVCMOS33;
 221 IOBUF PORT "lpc_slave_data[2]" IO_TYPE=LVCMOS33;
 222 IOBUF PORT "lpc_slave_data[3]" IO_TYPE=LVCMOS33;
 223 IOBUF PORT "lpc_slave_irq" IO_TYPE=LVCMOS33;
 224 IOBUF PORT "lpc_slave_frame_n" IO_TYPE=LVCMOS33;
 225 IOBUF PORT "lpc_slave_reset_n" IO_TYPE=LVCMOS33;
 226 IOBUF PORT "lpc_slave_clock" IO_TYPE=LVCMOS33;
 227
 228 LOCATE COMP "dvo_r[0]" SITE "C14";
 229 LOCATE COMP "dvo_r[1]" SITE "E14";
 230 LOCATE COMP "dvo_r[2]" SITE "D14";
 231 LOCATE COMP "dvo_r[3]" SITE "E13";
 232 LOCATE COMP "dvo_r[4]" SITE "D13";
 233 LOCATE COMP "dvo_r[5]" SITE "C13";
 234 LOCATE COMP "dvo_r[6]" SITE "E11";
 235 LOCATE COMP "dvo_r[7]" SITE "C12";
 236 LOCATE COMP "dvo_g[0]" SITE "B19";
 237 LOCATE COMP "dvo_g[1]" SITE "B20";
 238 LOCATE COMP "dvo_g[2]" SITE "C17";
 239 LOCATE COMP "dvo_g[3]" SITE "C16";
 240 LOCATE COMP "dvo_g[4]" SITE "C15";
 241 LOCATE COMP "dvo_g[5]" SITE "D16";
 242 LOCATE COMP "dvo_g[6]" SITE "D15";
 243 LOCATE COMP "dvo_g[7]" SITE "E15";
 244 LOCATE COMP "dvo_b[0]" SITE "A14";
 245 LOCATE COMP "dvo_b[1]" SITE "A15";
 246 LOCATE COMP "dvo_b[2]" SITE "B15";
 247 LOCATE COMP "dvo_b[3]" SITE "A16";
 248 LOCATE COMP "dvo_b[4]" SITE "B16";
 249 LOCATE COMP "dvo_b[5]" SITE "A17";
 250 LOCATE COMP "dvo_b[6]" SITE "A19";
 251 LOCATE COMP "dvo_b[7]" SITE "B17";
 252 LOCATE COMP "dvo_de" SITE "A13";
 253 LOCATE COMP "dvo_hsync_n" SITE "B13";
 254 LOCATE COMP "dvo_vsync_n" SITE "B12";
 255 LOCATE COMP "dvo_clk" SITE "D11";
 256 IOBUF PORT "dvo_r[0]" IO_TYPE=LVCMOS33;
 257 IOBUF PORT "dvo_r[1]" IO_TYPE=LVCMOS33;
 258 IOBUF PORT "dvo_r[2]" IO_TYPE=LVCMOS33;
 259 IOBUF PORT "dvo_r[3]" IO_TYPE=LVCMOS33;
 260 IOBUF PORT "dvo_r[4]" IO_TYPE=LVCMOS33;
 261 IOBUF PORT "dvo_r[5]" IO_TYPE=LVCMOS33;
 262 IOBUF PORT "dvo_r[6]" IO_TYPE=LVCMOS33;
 263 IOBUF PORT "dvo_r[7]" IO_TYPE=LVCMOS33;
 264 IOBUF PORT "dvo_g[0]" IO_TYPE=LVCMOS33;
 265 IOBUF PORT "dvo_g[1]" IO_TYPE=LVCMOS33;
 266 IOBUF PORT "dvo_g[2]" IO_TYPE=LVCMOS33;
 267 IOBUF PORT "dvo_g[3]" IO_TYPE=LVCMOS33;
 268 IOBUF PORT "dvo_g[4]" IO_TYPE=LVCMOS33;
 269 IOBUF PORT "dvo_g[5]" IO_TYPE=LVCMOS33;
 270 IOBUF PORT "dvo_g[6]" IO_TYPE=LVCMOS33;
 271 IOBUF PORT "dvo_g[7]" IO_TYPE=LVCMOS33;
 272 IOBUF PORT "dvo_b[0]" IO_TYPE=LVCMOS33;
 273 IOBUF PORT "dvo_b[1]" IO_TYPE=LVCMOS33;
 274 IOBUF PORT "dvo_b[2]" IO_TYPE=LVCMOS33;
 275 IOBUF PORT "dvo_b[3]" IO_TYPE=LVCMOS33;
 276 IOBUF PORT "dvo_b[4]" IO_TYPE=LVCMOS33;
 277 IOBUF PORT "dvo_b[5]" IO_TYPE=LVCMOS33;
 278 IOBUF PORT "dvo_b[6]" IO_TYPE=LVCMOS33;
 279 IOBUF PORT "dvo_b[7]" IO_TYPE=LVCMOS33;
 280 IOBUF PORT "dvo_de" IO_TYPE=LVCMOS33;
 281 IOBUF PORT "dvo_hsync_n" IO_TYPE=LVCMOS33;
 282 IOBUF PORT "dvo_vsync_n" IO_TYPE=LVCMOS33;
 283 IOBUF PORT "dvo_clk" IO_TYPE=LVCMOS33;