add docs
diff --git a/README.md b/README.md
index 1b084a1..5ddadcd 100644
--- a/README.md
+++ b/README.md
@@ -43,3 +43,12 @@
 
 ![ibnalhaytham](pics/layout.png)
 
+## Educational tpu
+
+* Author: Camilo Soto
+* Github: https://github.com/tucanae47/wrapped_etpu
+* commit: 748d3cc0bcba8abb06acd40ab13ed89ff307ede6
+* Description: 3x3 systolic array 
+
+![Educational tpu](pics/etpu.png)
+
diff --git a/lef/wrapped_etpu.lef b/lef/wrapped_etpu.lef
new file mode 100644
index 0000000..10ddff5
--- /dev/null
+++ b/lef/wrapped_etpu.lef
@@ -0,0 +1,2180 @@
+VERSION 5.7 ;
+  NOWIREEXTENSIONATPIN ON ;
+  DIVIDERCHAR "/" ;
+  BUSBITCHARS "[]" ;
+MACRO wrapped_etpu
+  CLASS BLOCK ;
+  FOREIGN wrapped_etpu ;
+  ORIGIN 0.000 0.000 ;
+  SIZE 900.000 BY 900.000 ;
+  PIN active
+    DIRECTION INPUT ;
+    USE SIGNAL ;
+    PORT
+      LAYER met2 ;
+        RECT 3.170 896.000 3.730 900.000 ;
+    END
+  END active
+  PIN io_in[0]
+    DIRECTION INPUT ;
+    USE SIGNAL ;
+    PORT
+      LAYER met3 ;
+        RECT 896.000 271.740 900.000 272.940 ;
+    END
+  END io_in[0]
+  PIN io_in[10]
+    DIRECTION INPUT ;
+    USE SIGNAL ;
+    PORT
+      LAYER met2 ;
+        RECT 666.490 0.000 667.050 4.000 ;
+    END
+  END io_in[10]
+  PIN io_in[11]
+    DIRECTION INPUT ;
+    USE SIGNAL ;
+    PORT
+      LAYER met2 ;
+        RECT 698.690 0.000 699.250 4.000 ;
+    END
+  END io_in[11]
+  PIN io_in[12]
+    DIRECTION INPUT ;
+    USE SIGNAL ;
+    PORT
+      LAYER met2 ;
+        RECT 206.030 0.000 206.590 4.000 ;
+    END
+  END io_in[12]
+  PIN io_in[13]
+    DIRECTION INPUT ;
+    USE SIGNAL ;
+    PORT
+      LAYER met3 ;
+        RECT 896.000 135.740 900.000 136.940 ;
+    END
+  END io_in[13]
+  PIN io_in[14]
+    DIRECTION INPUT ;
+    USE SIGNAL ;
+    PORT
+      LAYER met3 ;
+        RECT 896.000 101.740 900.000 102.940 ;
+    END
+  END io_in[14]
+  PIN io_in[15]
+    DIRECTION INPUT ;
+    USE SIGNAL ;
+    PORT
+      LAYER met2 ;
+        RECT 331.610 0.000 332.170 4.000 ;
+    END
+  END io_in[15]
+  PIN io_in[16]
+    DIRECTION INPUT ;
+    USE SIGNAL ;
+    PORT
+      LAYER met3 ;
+        RECT 0.000 132.340 4.000 133.540 ;
+    END
+  END io_in[16]
+  PIN io_in[17]
+    DIRECTION INPUT ;
+    USE SIGNAL ;
+    PORT
+      LAYER met3 ;
+        RECT 896.000 455.340 900.000 456.540 ;
+    END
+  END io_in[17]
+  PIN io_in[18]
+    DIRECTION INPUT ;
+    USE SIGNAL ;
+    PORT
+      LAYER met3 ;
+        RECT 896.000 336.340 900.000 337.540 ;
+    END
+  END io_in[18]
+  PIN io_in[19]
+    DIRECTION INPUT ;
+    USE SIGNAL ;
+    PORT
+      LAYER met2 ;
+        RECT 727.670 0.000 728.230 4.000 ;
+    END
+  END io_in[19]
+  PIN io_in[1]
+    DIRECTION INPUT ;
+    USE SIGNAL ;
+    PORT
+      LAYER met2 ;
+        RECT 289.750 896.000 290.310 900.000 ;
+    END
+  END io_in[1]
+  PIN io_in[20]
+    DIRECTION INPUT ;
+    USE SIGNAL ;
+    PORT
+      LAYER met3 ;
+        RECT 896.000 20.140 900.000 21.340 ;
+    END
+  END io_in[20]
+  PIN io_in[21]
+    DIRECTION INPUT ;
+    USE SIGNAL ;
+    PORT
+      LAYER met3 ;
+        RECT 896.000 655.940 900.000 657.140 ;
+    END
+  END io_in[21]
+  PIN io_in[22]
+    DIRECTION INPUT ;
+    USE SIGNAL ;
+    PORT
+      LAYER met2 ;
+        RECT 128.750 896.000 129.310 900.000 ;
+    END
+  END io_in[22]
+  PIN io_in[23]
+    DIRECTION INPUT ;
+    USE SIGNAL ;
+    PORT
+      LAYER met2 ;
+        RECT 766.310 896.000 766.870 900.000 ;
+    END
+  END io_in[23]
+  PIN io_in[24]
+    DIRECTION INPUT ;
+    USE SIGNAL ;
+    PORT
+      LAYER met3 ;
+        RECT 0.000 618.540 4.000 619.740 ;
+    END
+  END io_in[24]
+  PIN io_in[25]
+    DIRECTION INPUT ;
+    USE SIGNAL ;
+    PORT
+      LAYER met2 ;
+        RECT 827.490 896.000 828.050 900.000 ;
+    END
+  END io_in[25]
+  PIN io_in[26]
+    DIRECTION INPUT ;
+    USE SIGNAL ;
+    PORT
+      LAYER met2 ;
+        RECT 431.430 896.000 431.990 900.000 ;
+    END
+  END io_in[26]
+  PIN io_in[27]
+    DIRECTION INPUT ;
+    USE SIGNAL ;
+    PORT
+      LAYER met2 ;
+        RECT 682.590 0.000 683.150 4.000 ;
+    END
+  END io_in[27]
+  PIN io_in[28]
+    DIRECTION INPUT ;
+    USE SIGNAL ;
+    PORT
+      LAYER met3 ;
+        RECT 0.000 115.340 4.000 116.540 ;
+    END
+  END io_in[28]
+  PIN io_in[29]
+    DIRECTION INPUT ;
+    USE SIGNAL ;
+    PORT
+      LAYER met2 ;
+        RECT 585.990 0.000 586.550 4.000 ;
+    END
+  END io_in[29]
+  PIN io_in[2]
+    DIRECTION INPUT ;
+    USE SIGNAL ;
+    PORT
+      LAYER met2 ;
+        RECT 177.050 896.000 177.610 900.000 ;
+    END
+  END io_in[2]
+  PIN io_in[30]
+    DIRECTION INPUT ;
+    USE SIGNAL ;
+    PORT
+      LAYER met2 ;
+        RECT 35.370 896.000 35.930 900.000 ;
+    END
+  END io_in[30]
+  PIN io_in[31]
+    DIRECTION INPUT ;
+    USE SIGNAL ;
+    PORT
+      LAYER met2 ;
+        RECT 241.450 896.000 242.010 900.000 ;
+    END
+  END io_in[31]
+  PIN io_in[32]
+    DIRECTION INPUT ;
+    USE SIGNAL ;
+    PORT
+      LAYER met3 ;
+        RECT 0.000 366.940 4.000 368.140 ;
+    END
+  END io_in[32]
+  PIN io_in[33]
+    DIRECTION INPUT ;
+    USE SIGNAL ;
+    PORT
+      LAYER met3 ;
+        RECT 896.000 33.740 900.000 34.940 ;
+    END
+  END io_in[33]
+  PIN io_in[34]
+    DIRECTION INPUT ;
+    USE SIGNAL ;
+    PORT
+      LAYER met2 ;
+        RECT 473.290 0.000 473.850 4.000 ;
+    END
+  END io_in[34]
+  PIN io_in[35]
+    DIRECTION INPUT ;
+    USE SIGNAL ;
+    PORT
+      LAYER met3 ;
+        RECT 896.000 302.340 900.000 303.540 ;
+    END
+  END io_in[35]
+  PIN io_in[36]
+    DIRECTION INPUT ;
+    USE SIGNAL ;
+    PORT
+      LAYER met3 ;
+        RECT 0.000 819.140 4.000 820.340 ;
+    END
+  END io_in[36]
+  PIN io_in[37]
+    DIRECTION INPUT ;
+    USE SIGNAL ;
+    PORT
+      LAYER met3 ;
+        RECT 896.000 604.940 900.000 606.140 ;
+    END
+  END io_in[37]
+  PIN io_in[3]
+    DIRECTION INPUT ;
+    USE SIGNAL ;
+    PORT
+      LAYER met2 ;
+        RECT 759.870 0.000 760.430 4.000 ;
+    END
+  END io_in[3]
+  PIN io_in[4]
+    DIRECTION INPUT ;
+    USE SIGNAL ;
+    PORT
+      LAYER met3 ;
+        RECT 0.000 737.540 4.000 738.740 ;
+    END
+  END io_in[4]
+  PIN io_in[5]
+    DIRECTION INPUT ;
+    USE SIGNAL ;
+    PORT
+      LAYER met2 ;
+        RECT 299.410 0.000 299.970 4.000 ;
+    END
+  END io_in[5]
+  PIN io_in[6]
+    DIRECTION INPUT ;
+    USE SIGNAL ;
+    PORT
+      LAYER met2 ;
+        RECT 396.010 0.000 396.570 4.000 ;
+    END
+  END io_in[6]
+  PIN io_in[7]
+    DIRECTION INPUT ;
+    USE SIGNAL ;
+    PORT
+      LAYER met2 ;
+        RECT 743.770 0.000 744.330 4.000 ;
+    END
+  END io_in[7]
+  PIN io_in[8]
+    DIRECTION INPUT ;
+    USE SIGNAL ;
+    PORT
+      LAYER met3 ;
+        RECT 0.000 183.340 4.000 184.540 ;
+    END
+  END io_in[8]
+  PIN io_in[9]
+    DIRECTION INPUT ;
+    USE SIGNAL ;
+    PORT
+      LAYER met3 ;
+        RECT 0.000 81.340 4.000 82.540 ;
+    END
+  END io_in[9]
+  PIN io_oeb[0]
+    DIRECTION INOUT ;
+    USE SIGNAL ;
+    PORT
+      LAYER met2 ;
+        RECT 602.090 0.000 602.650 4.000 ;
+    END
+  END io_oeb[0]
+  PIN io_oeb[10]
+    DIRECTION INOUT ;
+    USE SIGNAL ;
+    PORT
+      LAYER met2 ;
+        RECT 653.610 896.000 654.170 900.000 ;
+    END
+  END io_oeb[10]
+  PIN io_oeb[11]
+    DIRECTION INOUT ;
+    USE SIGNAL ;
+    PORT
+      LAYER met2 ;
+        RECT 792.070 0.000 792.630 4.000 ;
+    END
+  END io_oeb[11]
+  PIN io_oeb[12]
+    DIRECTION INOUT ;
+    USE SIGNAL ;
+    PORT
+      LAYER met2 ;
+        RECT 685.810 896.000 686.370 900.000 ;
+    END
+  END io_oeb[12]
+  PIN io_oeb[13]
+    DIRECTION INOUT ;
+    USE SIGNAL ;
+    PORT
+      LAYER met3 ;
+        RECT 896.000 536.940 900.000 538.140 ;
+    END
+  END io_oeb[13]
+  PIN io_oeb[14]
+    DIRECTION INOUT ;
+    USE SIGNAL ;
+    PORT
+      LAYER met3 ;
+        RECT 896.000 723.940 900.000 725.140 ;
+    END
+  END io_oeb[14]
+  PIN io_oeb[15]
+    DIRECTION INOUT ;
+    USE SIGNAL ;
+    PORT
+      LAYER met3 ;
+        RECT 896.000 523.340 900.000 524.540 ;
+    END
+  END io_oeb[15]
+  PIN io_oeb[16]
+    DIRECTION INOUT ;
+    USE SIGNAL ;
+    PORT
+      LAYER met3 ;
+        RECT 0.000 298.940 4.000 300.140 ;
+    END
+  END io_oeb[16]
+  PIN io_oeb[17]
+    DIRECTION INOUT ;
+    USE SIGNAL ;
+    PORT
+      LAYER met2 ;
+        RECT 444.310 0.000 444.870 4.000 ;
+    END
+  END io_oeb[17]
+  PIN io_oeb[18]
+    DIRECTION INOUT ;
+    USE SIGNAL ;
+    PORT
+      LAYER met2 ;
+        RECT 811.390 896.000 811.950 900.000 ;
+    END
+  END io_oeb[18]
+  PIN io_oeb[19]
+    DIRECTION INOUT ;
+    USE SIGNAL ;
+    PORT
+      LAYER met3 ;
+        RECT 0.000 166.340 4.000 167.540 ;
+    END
+  END io_oeb[19]
+  PIN io_oeb[1]
+    DIRECTION INOUT ;
+    USE SIGNAL ;
+    PORT
+      LAYER met3 ;
+        RECT 896.000 50.740 900.000 51.940 ;
+    END
+  END io_oeb[1]
+  PIN io_oeb[20]
+    DIRECTION INOUT ;
+    USE SIGNAL ;
+    PORT
+      LAYER met3 ;
+        RECT 0.000 13.340 4.000 14.540 ;
+    END
+  END io_oeb[20]
+  PIN io_oeb[21]
+    DIRECTION INOUT ;
+    USE SIGNAL ;
+    PORT
+      LAYER met2 ;
+        RECT 251.110 0.000 251.670 4.000 ;
+    END
+  END io_oeb[21]
+  PIN io_oeb[22]
+    DIRECTION INOUT ;
+    USE SIGNAL ;
+    PORT
+      LAYER met3 ;
+        RECT 896.000 822.540 900.000 823.740 ;
+    END
+  END io_oeb[22]
+  PIN io_oeb[23]
+    DIRECTION INOUT ;
+    USE SIGNAL ;
+    PORT
+      LAYER met2 ;
+        RECT 734.110 896.000 734.670 900.000 ;
+    END
+  END io_oeb[23]
+  PIN io_oeb[24]
+    DIRECTION INOUT ;
+    USE SIGNAL ;
+    PORT
+      LAYER met2 ;
+        RECT 77.230 0.000 77.790 4.000 ;
+    END
+  END io_oeb[24]
+  PIN io_oeb[25]
+    DIRECTION INOUT ;
+    USE SIGNAL ;
+    PORT
+      LAYER met2 ;
+        RECT 283.310 0.000 283.870 4.000 ;
+    END
+  END io_oeb[25]
+  PIN io_oeb[26]
+    DIRECTION INOUT ;
+    USE SIGNAL ;
+    PORT
+      LAYER met3 ;
+        RECT 896.000 506.340 900.000 507.540 ;
+    END
+  END io_oeb[26]
+  PIN io_oeb[27]
+    DIRECTION INOUT ;
+    USE SIGNAL ;
+    PORT
+      LAYER met2 ;
+        RECT 569.890 0.000 570.450 4.000 ;
+    END
+  END io_oeb[27]
+  PIN io_oeb[28]
+    DIRECTION INOUT ;
+    USE SIGNAL ;
+    PORT
+      LAYER met3 ;
+        RECT 0.000 281.940 4.000 283.140 ;
+    END
+  END io_oeb[28]
+  PIN io_oeb[29]
+    DIRECTION INOUT ;
+    USE SIGNAL ;
+    PORT
+      LAYER met2 ;
+        RECT 415.330 896.000 415.890 900.000 ;
+    END
+  END io_oeb[29]
+  PIN io_oeb[2]
+    DIRECTION INOUT ;
+    USE SIGNAL ;
+    PORT
+      LAYER met3 ;
+        RECT 0.000 669.540 4.000 670.740 ;
+    END
+  END io_oeb[2]
+  PIN io_oeb[30]
+    DIRECTION INOUT ;
+    USE SIGNAL ;
+    PORT
+      LAYER met2 ;
+        RECT 80.450 896.000 81.010 900.000 ;
+    END
+  END io_oeb[30]
+  PIN io_oeb[31]
+    DIRECTION INOUT ;
+    USE SIGNAL ;
+    PORT
+      LAYER met2 ;
+        RECT 875.790 896.000 876.350 900.000 ;
+    END
+  END io_oeb[31]
+  PIN io_oeb[32]
+    DIRECTION INOUT ;
+    USE SIGNAL ;
+    PORT
+      LAYER met2 ;
+        RECT 511.930 896.000 512.490 900.000 ;
+    END
+  END io_oeb[32]
+  PIN io_oeb[33]
+    DIRECTION INOUT ;
+    USE SIGNAL ;
+    PORT
+      LAYER met3 ;
+        RECT 896.000 774.940 900.000 776.140 ;
+    END
+  END io_oeb[33]
+  PIN io_oeb[34]
+    DIRECTION INOUT ;
+    USE SIGNAL ;
+    PORT
+      LAYER met3 ;
+        RECT 896.000 788.540 900.000 789.740 ;
+    END
+  END io_oeb[34]
+  PIN io_oeb[35]
+    DIRECTION INOUT ;
+    USE SIGNAL ;
+    PORT
+      LAYER met3 ;
+        RECT 0.000 451.940 4.000 453.140 ;
+    END
+  END io_oeb[35]
+  PIN io_oeb[36]
+    DIRECTION INOUT ;
+    USE SIGNAL ;
+    PORT
+      LAYER met2 ;
+        RECT 750.210 896.000 750.770 900.000 ;
+    END
+  END io_oeb[36]
+  PIN io_oeb[37]
+    DIRECTION INOUT ;
+    USE SIGNAL ;
+    PORT
+      LAYER met3 ;
+        RECT 896.000 570.940 900.000 572.140 ;
+    END
+  END io_oeb[37]
+  PIN io_oeb[3]
+    DIRECTION INOUT ;
+    USE SIGNAL ;
+    PORT
+      LAYER met2 ;
+        RECT 160.950 896.000 161.510 900.000 ;
+    END
+  END io_oeb[3]
+  PIN io_oeb[4]
+    DIRECTION INOUT ;
+    USE SIGNAL ;
+    PORT
+      LAYER met3 ;
+        RECT 896.000 254.740 900.000 255.940 ;
+    END
+  END io_oeb[4]
+  PIN io_oeb[5]
+    DIRECTION INOUT ;
+    USE SIGNAL ;
+    PORT
+      LAYER met3 ;
+        RECT 0.000 751.140 4.000 752.340 ;
+    END
+  END io_oeb[5]
+  PIN io_oeb[6]
+    DIRECTION INOUT ;
+    USE SIGNAL ;
+    PORT
+      LAYER met2 ;
+        RECT 96.550 896.000 97.110 900.000 ;
+    END
+  END io_oeb[6]
+  PIN io_oeb[7]
+    DIRECTION INOUT ;
+    USE SIGNAL ;
+    PORT
+      LAYER met3 ;
+        RECT 896.000 839.540 900.000 840.740 ;
+    END
+  END io_oeb[7]
+  PIN io_oeb[8]
+    DIRECTION INOUT ;
+    USE SIGNAL ;
+    PORT
+      LAYER met3 ;
+        RECT 896.000 438.340 900.000 439.540 ;
+    END
+  END io_oeb[8]
+  PIN io_oeb[9]
+    DIRECTION INOUT ;
+    USE SIGNAL ;
+    PORT
+      LAYER met3 ;
+        RECT 0.000 383.940 4.000 385.140 ;
+    END
+  END io_oeb[9]
+  PIN io_out[0]
+    DIRECTION INOUT ;
+    USE SIGNAL ;
+    PORT
+      LAYER met3 ;
+        RECT 0.000 853.140 4.000 854.340 ;
+    END
+  END io_out[0]
+  PIN io_out[10]
+    DIRECTION INOUT ;
+    USE SIGNAL ;
+    PORT
+      LAYER met3 ;
+        RECT 0.000 30.340 4.000 31.540 ;
+    END
+  END io_out[10]
+  PIN io_out[11]
+    DIRECTION INOUT ;
+    USE SIGNAL ;
+    PORT
+      LAYER met2 ;
+        RECT 489.390 0.000 489.950 4.000 ;
+    END
+  END io_out[11]
+  PIN io_out[12]
+    DIRECTION INOUT ;
+    USE SIGNAL ;
+    PORT
+      LAYER met3 ;
+        RECT 0.000 400.940 4.000 402.140 ;
+    END
+  END io_out[12]
+  PIN io_out[13]
+    DIRECTION INOUT ;
+    USE SIGNAL ;
+    PORT
+      LAYER met2 ;
+        RECT 557.010 896.000 557.570 900.000 ;
+    END
+  END io_out[13]
+  PIN io_out[14]
+    DIRECTION INOUT ;
+    USE SIGNAL ;
+    PORT
+      LAYER met2 ;
+        RECT 891.890 896.000 892.450 900.000 ;
+    END
+  END io_out[14]
+  PIN io_out[15]
+    DIRECTION INOUT ;
+    USE SIGNAL ;
+    PORT
+      LAYER met3 ;
+        RECT 0.000 601.540 4.000 602.740 ;
+    END
+  END io_out[15]
+  PIN io_out[16]
+    DIRECTION INOUT ;
+    USE SIGNAL ;
+    PORT
+      LAYER met2 ;
+        RECT 93.330 0.000 93.890 4.000 ;
+    END
+  END io_out[16]
+  PIN io_out[17]
+    DIRECTION INOUT ;
+    USE SIGNAL ;
+    PORT
+      LAYER met2 ;
+        RECT 334.830 896.000 335.390 900.000 ;
+    END
+  END io_out[17]
+  PIN io_out[18]
+    DIRECTION INOUT ;
+    USE SIGNAL ;
+    PORT
+      LAYER met3 ;
+        RECT 896.000 203.740 900.000 204.940 ;
+    END
+  END io_out[18]
+  PIN io_out[19]
+    DIRECTION INOUT ;
+    USE SIGNAL ;
+    PORT
+      LAYER met2 ;
+        RECT 782.410 896.000 782.970 900.000 ;
+    END
+  END io_out[19]
+  PIN io_out[1]
+    DIRECTION INOUT ;
+    USE SIGNAL ;
+    PORT
+      LAYER met3 ;
+        RECT 0.000 47.340 4.000 48.540 ;
+    END
+  END io_out[1]
+  PIN io_out[20]
+    DIRECTION INOUT ;
+    USE SIGNAL ;
+    PORT
+      LAYER met3 ;
+        RECT 0.000 332.940 4.000 334.140 ;
+    END
+  END io_out[20]
+  PIN io_out[21]
+    DIRECTION INOUT ;
+    USE SIGNAL ;
+    PORT
+      LAYER met2 ;
+        RECT 775.970 0.000 776.530 4.000 ;
+    END
+  END io_out[21]
+  PIN io_out[22]
+    DIRECTION INOUT ;
+    USE SIGNAL ;
+    PORT
+      LAYER met2 ;
+        RECT 859.690 896.000 860.250 900.000 ;
+    END
+  END io_out[22]
+  PIN io_out[23]
+    DIRECTION INOUT ;
+    USE SIGNAL ;
+    PORT
+      LAYER met2 ;
+        RECT 605.310 896.000 605.870 900.000 ;
+    END
+  END io_out[23]
+  PIN io_out[24]
+    DIRECTION INOUT ;
+    USE SIGNAL ;
+    PORT
+      LAYER met3 ;
+        RECT 896.000 553.940 900.000 555.140 ;
+    END
+  END io_out[24]
+  PIN io_out[25]
+    DIRECTION INOUT ;
+    USE SIGNAL ;
+    PORT
+      LAYER met3 ;
+        RECT 0.000 686.540 4.000 687.740 ;
+    END
+  END io_out[25]
+  PIN io_out[26]
+    DIRECTION INOUT ;
+    USE SIGNAL ;
+    PORT
+      LAYER met2 ;
+        RECT 888.670 0.000 889.230 4.000 ;
+    END
+  END io_out[26]
+  PIN io_out[27]
+    DIRECTION INOUT ;
+    USE SIGNAL ;
+    PORT
+      LAYER met3 ;
+        RECT 896.000 387.340 900.000 388.540 ;
+    END
+  END io_out[27]
+  PIN io_out[28]
+    DIRECTION INOUT ;
+    USE SIGNAL ;
+    PORT
+      LAYER met2 ;
+        RECT 544.130 896.000 544.690 900.000 ;
+    END
+  END io_out[28]
+  PIN io_out[29]
+    DIRECTION INOUT ;
+    USE SIGNAL ;
+    PORT
+      LAYER met2 ;
+        RECT 669.710 896.000 670.270 900.000 ;
+    END
+  END io_out[29]
+  PIN io_out[2]
+    DIRECTION INOUT ;
+    USE SIGNAL ;
+    PORT
+      LAYER met3 ;
+        RECT 896.000 285.340 900.000 286.540 ;
+    END
+  END io_out[2]
+  PIN io_out[30]
+    DIRECTION INOUT ;
+    USE SIGNAL ;
+    PORT
+      LAYER met3 ;
+        RECT 0.000 64.340 4.000 65.540 ;
+    END
+  END io_out[30]
+  PIN io_out[31]
+    DIRECTION INOUT ;
+    USE SIGNAL ;
+    PORT
+      LAYER met2 ;
+        RECT 589.210 896.000 589.770 900.000 ;
+    END
+  END io_out[31]
+  PIN io_out[32]
+    DIRECTION INOUT ;
+    USE SIGNAL ;
+    PORT
+      LAYER met2 ;
+        RECT 225.350 896.000 225.910 900.000 ;
+    END
+  END io_out[32]
+  PIN io_out[33]
+    DIRECTION INOUT ;
+    USE SIGNAL ;
+    PORT
+      LAYER met2 ;
+        RECT 367.030 896.000 367.590 900.000 ;
+    END
+  END io_out[33]
+  PIN io_out[34]
+    DIRECTION INOUT ;
+    USE SIGNAL ;
+    PORT
+      LAYER met2 ;
+        RECT 495.830 896.000 496.390 900.000 ;
+    END
+  END io_out[34]
+  PIN io_out[35]
+    DIRECTION INOUT ;
+    USE SIGNAL ;
+    PORT
+      LAYER met2 ;
+        RECT 872.570 0.000 873.130 4.000 ;
+    END
+  END io_out[35]
+  PIN io_out[36]
+    DIRECTION INOUT ;
+    USE SIGNAL ;
+    PORT
+      LAYER met3 ;
+        RECT 0.000 200.340 4.000 201.540 ;
+    END
+  END io_out[36]
+  PIN io_out[37]
+    DIRECTION INOUT ;
+    USE SIGNAL ;
+    PORT
+      LAYER met3 ;
+        RECT 896.000 67.740 900.000 68.940 ;
+    END
+  END io_out[37]
+  PIN io_out[3]
+    DIRECTION INOUT ;
+    USE SIGNAL ;
+    PORT
+      LAYER met2 ;
+        RECT 141.630 0.000 142.190 4.000 ;
+    END
+  END io_out[3]
+  PIN io_out[4]
+    DIRECTION INOUT ;
+    USE SIGNAL ;
+    PORT
+      LAYER met3 ;
+        RECT 0.000 499.540 4.000 500.740 ;
+    END
+  END io_out[4]
+  PIN io_out[5]
+    DIRECTION INOUT ;
+    USE SIGNAL ;
+    PORT
+      LAYER met2 ;
+        RECT 479.730 896.000 480.290 900.000 ;
+    END
+  END io_out[5]
+  PIN io_out[6]
+    DIRECTION INOUT ;
+    USE SIGNAL ;
+    PORT
+      LAYER met3 ;
+        RECT 896.000 404.340 900.000 405.540 ;
+    END
+  END io_out[6]
+  PIN io_out[7]
+    DIRECTION INOUT ;
+    USE SIGNAL ;
+    PORT
+      LAYER met3 ;
+        RECT 896.000 169.740 900.000 170.940 ;
+    END
+  END io_out[7]
+  PIN io_out[8]
+    DIRECTION INOUT ;
+    USE SIGNAL ;
+    PORT
+      LAYER met3 ;
+        RECT 0.000 870.140 4.000 871.340 ;
+    END
+  END io_out[8]
+  PIN io_out[9]
+    DIRECTION INOUT ;
+    USE SIGNAL ;
+    PORT
+      LAYER met3 ;
+        RECT 896.000 757.940 900.000 759.140 ;
+    END
+  END io_out[9]
+  PIN vccd1
+    DIRECTION INOUT ;
+    USE POWER ;
+    PORT
+      LAYER met4 ;
+        RECT 21.040 10.640 22.640 886.960 ;
+    END
+    PORT
+      LAYER met4 ;
+        RECT 174.640 10.640 176.240 886.960 ;
+    END
+    PORT
+      LAYER met4 ;
+        RECT 328.240 10.640 329.840 886.960 ;
+    END
+    PORT
+      LAYER met4 ;
+        RECT 481.840 10.640 483.440 886.960 ;
+    END
+    PORT
+      LAYER met4 ;
+        RECT 635.440 10.640 637.040 886.960 ;
+    END
+    PORT
+      LAYER met4 ;
+        RECT 789.040 10.640 790.640 886.960 ;
+    END
+  END vccd1
+  PIN vssd1
+    DIRECTION INOUT ;
+    USE GROUND ;
+    PORT
+      LAYER met4 ;
+        RECT 97.840 10.640 99.440 886.960 ;
+    END
+    PORT
+      LAYER met4 ;
+        RECT 251.440 10.640 253.040 886.960 ;
+    END
+    PORT
+      LAYER met4 ;
+        RECT 405.040 10.640 406.640 886.960 ;
+    END
+    PORT
+      LAYER met4 ;
+        RECT 558.640 10.640 560.240 886.960 ;
+    END
+    PORT
+      LAYER met4 ;
+        RECT 712.240 10.640 713.840 886.960 ;
+    END
+    PORT
+      LAYER met4 ;
+        RECT 865.840 10.640 867.440 886.960 ;
+    END
+  END vssd1
+  PIN wb_clk_i
+    DIRECTION INPUT ;
+    USE SIGNAL ;
+    PORT
+      LAYER met2 ;
+        RECT 305.850 896.000 306.410 900.000 ;
+    END
+  END wb_clk_i
+  PIN wb_rst_i
+    DIRECTION INPUT ;
+    USE SIGNAL ;
+    PORT
+      LAYER met3 ;
+        RECT 896.000 873.540 900.000 874.740 ;
+    END
+  END wb_rst_i
+  PIN wbs_ack_o
+    DIRECTION INOUT ;
+    USE SIGNAL ;
+    PORT
+      LAYER met3 ;
+        RECT 0.000 652.540 4.000 653.740 ;
+    END
+  END wbs_ack_o
+  PIN wbs_adr_i[0]
+    DIRECTION INPUT ;
+    USE SIGNAL ;
+    PORT
+      LAYER met3 ;
+        RECT 896.000 587.940 900.000 589.140 ;
+    END
+  END wbs_adr_i[0]
+  PIN wbs_adr_i[10]
+    DIRECTION INPUT ;
+    USE SIGNAL ;
+    PORT
+      LAYER met3 ;
+        RECT 896.000 740.940 900.000 742.140 ;
+    END
+  END wbs_adr_i[10]
+  PIN wbs_adr_i[11]
+    DIRECTION INPUT ;
+    USE SIGNAL ;
+    PORT
+      LAYER met3 ;
+        RECT 0.000 533.540 4.000 534.740 ;
+    END
+  END wbs_adr_i[11]
+  PIN wbs_adr_i[12]
+    DIRECTION INPUT ;
+    USE SIGNAL ;
+    PORT
+      LAYER met2 ;
+        RECT 45.030 0.000 45.590 4.000 ;
+    END
+  END wbs_adr_i[12]
+  PIN wbs_adr_i[13]
+    DIRECTION INPUT ;
+    USE SIGNAL ;
+    PORT
+      LAYER met2 ;
+        RECT 347.710 0.000 348.270 4.000 ;
+    END
+  END wbs_adr_i[13]
+  PIN wbs_adr_i[14]
+    DIRECTION INPUT ;
+    USE SIGNAL ;
+    PORT
+      LAYER met3 ;
+        RECT 896.000 220.740 900.000 221.940 ;
+    END
+  END wbs_adr_i[14]
+  PIN wbs_adr_i[15]
+    DIRECTION INPUT ;
+    USE SIGNAL ;
+    PORT
+      LAYER met2 ;
+        RECT 463.630 896.000 464.190 900.000 ;
+    END
+  END wbs_adr_i[15]
+  PIN wbs_adr_i[16]
+    DIRECTION INPUT ;
+    USE SIGNAL ;
+    PORT
+      LAYER met2 ;
+        RECT 412.110 0.000 412.670 4.000 ;
+    END
+  END wbs_adr_i[16]
+  PIN wbs_adr_i[17]
+    DIRECTION INPUT ;
+    USE SIGNAL ;
+    PORT
+      LAYER met3 ;
+        RECT 896.000 152.740 900.000 153.940 ;
+    END
+  END wbs_adr_i[17]
+  PIN wbs_adr_i[18]
+    DIRECTION INPUT ;
+    USE SIGNAL ;
+    PORT
+      LAYER met2 ;
+        RECT 856.470 0.000 857.030 4.000 ;
+    END
+  END wbs_adr_i[18]
+  PIN wbs_adr_i[19]
+    DIRECTION INPUT ;
+    USE SIGNAL ;
+    PORT
+      LAYER met3 ;
+        RECT 0.000 802.140 4.000 803.340 ;
+    END
+  END wbs_adr_i[19]
+  PIN wbs_adr_i[1]
+    DIRECTION INPUT ;
+    USE SIGNAL ;
+    PORT
+      LAYER met3 ;
+        RECT 0.000 584.540 4.000 585.740 ;
+    END
+  END wbs_adr_i[1]
+  PIN wbs_adr_i[20]
+    DIRECTION INPUT ;
+    USE SIGNAL ;
+    PORT
+      LAYER met3 ;
+        RECT 896.000 489.340 900.000 490.540 ;
+    END
+  END wbs_adr_i[20]
+  PIN wbs_adr_i[21]
+    DIRECTION INPUT ;
+    USE SIGNAL ;
+    PORT
+      LAYER met3 ;
+        RECT 0.000 720.540 4.000 721.740 ;
+    END
+  END wbs_adr_i[21]
+  PIN wbs_adr_i[22]
+    DIRECTION INPUT ;
+    USE SIGNAL ;
+    PORT
+      LAYER met3 ;
+        RECT 0.000 315.940 4.000 317.140 ;
+    END
+  END wbs_adr_i[22]
+  PIN wbs_adr_i[23]
+    DIRECTION INPUT ;
+    USE SIGNAL ;
+    PORT
+      LAYER met2 ;
+        RECT 824.270 0.000 824.830 4.000 ;
+    END
+  END wbs_adr_i[23]
+  PIN wbs_adr_i[24]
+    DIRECTION INPUT ;
+    USE SIGNAL ;
+    PORT
+      LAYER met2 ;
+        RECT 273.650 896.000 274.210 900.000 ;
+    END
+  END wbs_adr_i[24]
+  PIN wbs_adr_i[25]
+    DIRECTION INPUT ;
+    USE SIGNAL ;
+    PORT
+      LAYER met2 ;
+        RECT 363.810 0.000 364.370 4.000 ;
+    END
+  END wbs_adr_i[25]
+  PIN wbs_adr_i[26]
+    DIRECTION INPUT ;
+    USE SIGNAL ;
+    PORT
+      LAYER met3 ;
+        RECT 0.000 434.940 4.000 436.140 ;
+    END
+  END wbs_adr_i[26]
+  PIN wbs_adr_i[27]
+    DIRECTION INPUT ;
+    USE SIGNAL ;
+    PORT
+      LAYER met3 ;
+        RECT 0.000 567.540 4.000 568.740 ;
+    END
+  END wbs_adr_i[27]
+  PIN wbs_adr_i[28]
+    DIRECTION INPUT ;
+    USE SIGNAL ;
+    PORT
+      LAYER met3 ;
+        RECT 0.000 264.940 4.000 266.140 ;
+    END
+  END wbs_adr_i[28]
+  PIN wbs_adr_i[29]
+    DIRECTION INPUT ;
+    USE SIGNAL ;
+    PORT
+      LAYER met2 ;
+        RECT 257.550 896.000 258.110 900.000 ;
+    END
+  END wbs_adr_i[29]
+  PIN wbs_adr_i[2]
+    DIRECTION INPUT ;
+    USE SIGNAL ;
+    PORT
+      LAYER met2 ;
+        RECT 267.210 0.000 267.770 4.000 ;
+    END
+  END wbs_adr_i[2]
+  PIN wbs_adr_i[30]
+    DIRECTION INPUT ;
+    USE SIGNAL ;
+    PORT
+      LAYER met2 ;
+        RECT 112.650 896.000 113.210 900.000 ;
+    END
+  END wbs_adr_i[30]
+  PIN wbs_adr_i[31]
+    DIRECTION INPUT ;
+    USE SIGNAL ;
+    PORT
+      LAYER met3 ;
+        RECT 896.000 84.740 900.000 85.940 ;
+    END
+  END wbs_adr_i[31]
+  PIN wbs_adr_i[3]
+    DIRECTION INPUT ;
+    USE SIGNAL ;
+    PORT
+      LAYER met2 ;
+        RECT 537.690 0.000 538.250 4.000 ;
+    END
+  END wbs_adr_i[3]
+  PIN wbs_adr_i[4]
+    DIRECTION INPUT ;
+    USE SIGNAL ;
+    PORT
+      LAYER met3 ;
+        RECT 896.000 706.940 900.000 708.140 ;
+    END
+  END wbs_adr_i[4]
+  PIN wbs_adr_i[5]
+    DIRECTION INPUT ;
+    USE SIGNAL ;
+    PORT
+      LAYER met3 ;
+        RECT 0.000 98.340 4.000 99.540 ;
+    END
+  END wbs_adr_i[5]
+  PIN wbs_adr_i[6]
+    DIRECTION INPUT ;
+    USE SIGNAL ;
+    PORT
+      LAYER met2 ;
+        RECT 222.130 0.000 222.690 4.000 ;
+    END
+  END wbs_adr_i[6]
+  PIN wbs_adr_i[7]
+    DIRECTION INPUT ;
+    USE SIGNAL ;
+    PORT
+      LAYER met2 ;
+        RECT 193.150 896.000 193.710 900.000 ;
+    END
+  END wbs_adr_i[7]
+  PIN wbs_adr_i[8]
+    DIRECTION INPUT ;
+    USE SIGNAL ;
+    PORT
+      LAYER met2 ;
+        RECT 711.570 0.000 712.130 4.000 ;
+    END
+  END wbs_adr_i[8]
+  PIN wbs_adr_i[9]
+    DIRECTION INPUT ;
+    USE SIGNAL ;
+    PORT
+      LAYER met3 ;
+        RECT 0.000 550.540 4.000 551.740 ;
+    END
+  END wbs_adr_i[9]
+  PIN wbs_cyc_i
+    DIRECTION INPUT ;
+    USE SIGNAL ;
+    PORT
+      LAYER met2 ;
+        RECT 718.010 896.000 718.570 900.000 ;
+    END
+  END wbs_cyc_i
+  PIN wbs_dat_i[0]
+    DIRECTION INPUT ;
+    USE SIGNAL ;
+    PORT
+      LAYER met2 ;
+        RECT 19.270 896.000 19.830 900.000 ;
+    END
+  END wbs_dat_i[0]
+  PIN wbs_dat_i[10]
+    DIRECTION INPUT ;
+    USE SIGNAL ;
+    PORT
+      LAYER met2 ;
+        RECT 209.250 896.000 209.810 900.000 ;
+    END
+  END wbs_dat_i[10]
+  PIN wbs_dat_i[11]
+    DIRECTION INPUT ;
+    USE SIGNAL ;
+    PORT
+      LAYER met2 ;
+        RECT 350.930 896.000 351.490 900.000 ;
+    END
+  END wbs_dat_i[11]
+  PIN wbs_dat_i[12]
+    DIRECTION INPUT ;
+    USE SIGNAL ;
+    PORT
+      LAYER met2 ;
+        RECT 318.730 896.000 319.290 900.000 ;
+    END
+  END wbs_dat_i[12]
+  PIN wbs_dat_i[13]
+    DIRECTION INPUT ;
+    USE SIGNAL ;
+    PORT
+      LAYER met2 ;
+        RECT 28.930 0.000 29.490 4.000 ;
+    END
+  END wbs_dat_i[13]
+  PIN wbs_dat_i[14]
+    DIRECTION INPUT ;
+    USE SIGNAL ;
+    PORT
+      LAYER met2 ;
+        RECT 157.730 0.000 158.290 4.000 ;
+    END
+  END wbs_dat_i[14]
+  PIN wbs_dat_i[15]
+    DIRECTION INPUT ;
+    USE SIGNAL ;
+    PORT
+      LAYER met3 ;
+        RECT 0.000 247.940 4.000 249.140 ;
+    END
+  END wbs_dat_i[15]
+  PIN wbs_dat_i[16]
+    DIRECTION INPUT ;
+    USE SIGNAL ;
+    PORT
+      LAYER met2 ;
+        RECT 428.210 0.000 428.770 4.000 ;
+    END
+  END wbs_dat_i[16]
+  PIN wbs_dat_i[17]
+    DIRECTION INPUT ;
+    USE SIGNAL ;
+    PORT
+      LAYER met3 ;
+        RECT 896.000 856.540 900.000 857.740 ;
+    END
+  END wbs_dat_i[17]
+  PIN wbs_dat_i[18]
+    DIRECTION INPUT ;
+    USE SIGNAL ;
+    PORT
+      LAYER met2 ;
+        RECT 51.470 896.000 52.030 900.000 ;
+    END
+  END wbs_dat_i[18]
+  PIN wbs_dat_i[19]
+    DIRECTION INPUT ;
+    USE SIGNAL ;
+    PORT
+      LAYER met2 ;
+        RECT 447.530 896.000 448.090 900.000 ;
+    END
+  END wbs_dat_i[19]
+  PIN wbs_dat_i[1]
+    DIRECTION INPUT ;
+    USE SIGNAL ;
+    PORT
+      LAYER met2 ;
+        RECT 109.430 0.000 109.990 4.000 ;
+    END
+  END wbs_dat_i[1]
+  PIN wbs_dat_i[20]
+    DIRECTION INPUT ;
+    USE SIGNAL ;
+    PORT
+      LAYER met3 ;
+        RECT 896.000 319.340 900.000 320.540 ;
+    END
+  END wbs_dat_i[20]
+  PIN wbs_dat_i[21]
+    DIRECTION INPUT ;
+    USE SIGNAL ;
+    PORT
+      LAYER met3 ;
+        RECT 896.000 672.940 900.000 674.140 ;
+    END
+  END wbs_dat_i[21]
+  PIN wbs_dat_i[22]
+    DIRECTION INPUT ;
+    USE SIGNAL ;
+    PORT
+      LAYER met3 ;
+        RECT 0.000 417.940 4.000 419.140 ;
+    END
+  END wbs_dat_i[22]
+  PIN wbs_dat_i[23]
+    DIRECTION INPUT ;
+    USE SIGNAL ;
+    PORT
+      LAYER met3 ;
+        RECT 896.000 472.340 900.000 473.540 ;
+    END
+  END wbs_dat_i[23]
+  PIN wbs_dat_i[24]
+    DIRECTION INPUT ;
+    USE SIGNAL ;
+    PORT
+      LAYER met3 ;
+        RECT 0.000 785.140 4.000 786.340 ;
+    END
+  END wbs_dat_i[24]
+  PIN wbs_dat_i[25]
+    DIRECTION INPUT ;
+    USE SIGNAL ;
+    PORT
+      LAYER met3 ;
+        RECT 0.000 149.340 4.000 150.540 ;
+    END
+  END wbs_dat_i[25]
+  PIN wbs_dat_i[26]
+    DIRECTION INPUT ;
+    USE SIGNAL ;
+    PORT
+      LAYER met3 ;
+        RECT 896.000 805.540 900.000 806.740 ;
+    END
+  END wbs_dat_i[26]
+  PIN wbs_dat_i[27]
+    DIRECTION INPUT ;
+    USE SIGNAL ;
+    PORT
+      LAYER met2 ;
+        RECT 528.030 896.000 528.590 900.000 ;
+    END
+  END wbs_dat_i[27]
+  PIN wbs_dat_i[28]
+    DIRECTION INPUT ;
+    USE SIGNAL ;
+    PORT
+      LAYER met2 ;
+        RECT 235.010 0.000 235.570 4.000 ;
+    END
+  END wbs_dat_i[28]
+  PIN wbs_dat_i[29]
+    DIRECTION INPUT ;
+    USE SIGNAL ;
+    PORT
+      LAYER met3 ;
+        RECT 896.000 353.340 900.000 354.540 ;
+    END
+  END wbs_dat_i[29]
+  PIN wbs_dat_i[2]
+    DIRECTION INPUT ;
+    USE SIGNAL ;
+    PORT
+      LAYER met2 ;
+        RECT 634.290 0.000 634.850 4.000 ;
+    END
+  END wbs_dat_i[2]
+  PIN wbs_dat_i[30]
+    DIRECTION INPUT ;
+    USE SIGNAL ;
+    PORT
+      LAYER met3 ;
+        RECT 896.000 118.740 900.000 119.940 ;
+    END
+  END wbs_dat_i[30]
+  PIN wbs_dat_i[31]
+    DIRECTION INPUT ;
+    USE SIGNAL ;
+    PORT
+      LAYER met3 ;
+        RECT 0.000 836.140 4.000 837.340 ;
+    END
+  END wbs_dat_i[31]
+  PIN wbs_dat_i[3]
+    DIRECTION INPUT ;
+    USE SIGNAL ;
+    PORT
+      LAYER met2 ;
+        RECT 808.170 0.000 808.730 4.000 ;
+    END
+  END wbs_dat_i[3]
+  PIN wbs_dat_i[4]
+    DIRECTION INPUT ;
+    USE SIGNAL ;
+    PORT
+      LAYER met2 ;
+        RECT 125.530 0.000 126.090 4.000 ;
+    END
+  END wbs_dat_i[4]
+  PIN wbs_dat_i[5]
+    DIRECTION INPUT ;
+    USE SIGNAL ;
+    PORT
+      LAYER met2 ;
+        RECT 379.910 0.000 380.470 4.000 ;
+    END
+  END wbs_dat_i[5]
+  PIN wbs_dat_i[6]
+    DIRECTION INPUT ;
+    USE SIGNAL ;
+    PORT
+      LAYER met3 ;
+        RECT 896.000 237.740 900.000 238.940 ;
+    END
+  END wbs_dat_i[6]
+  PIN wbs_dat_i[7]
+    DIRECTION INPUT ;
+    USE SIGNAL ;
+    PORT
+      LAYER met3 ;
+        RECT 896.000 890.540 900.000 891.740 ;
+    END
+  END wbs_dat_i[7]
+  PIN wbs_dat_i[8]
+    DIRECTION INPUT ;
+    USE SIGNAL ;
+    PORT
+      LAYER met3 ;
+        RECT 0.000 234.340 4.000 235.540 ;
+    END
+  END wbs_dat_i[8]
+  PIN wbs_dat_i[9]
+    DIRECTION INPUT ;
+    USE SIGNAL ;
+    PORT
+      LAYER met2 ;
+        RECT 840.370 0.000 840.930 4.000 ;
+    END
+  END wbs_dat_i[9]
+  PIN wbs_dat_o[0]
+    DIRECTION INOUT ;
+    USE SIGNAL ;
+    PORT
+      LAYER met3 ;
+        RECT 0.000 349.940 4.000 351.140 ;
+    END
+  END wbs_dat_o[0]
+  PIN wbs_dat_o[10]
+    DIRECTION INOUT ;
+    USE SIGNAL ;
+    PORT
+      LAYER met3 ;
+        RECT 896.000 370.340 900.000 371.540 ;
+    END
+  END wbs_dat_o[10]
+  PIN wbs_dat_o[11]
+    DIRECTION INOUT ;
+    USE SIGNAL ;
+    PORT
+      LAYER met2 ;
+        RECT 12.830 0.000 13.390 4.000 ;
+    END
+  END wbs_dat_o[11]
+  PIN wbs_dat_o[12]
+    DIRECTION INOUT ;
+    USE SIGNAL ;
+    PORT
+      LAYER met3 ;
+        RECT 896.000 689.940 900.000 691.140 ;
+    END
+  END wbs_dat_o[12]
+  PIN wbs_dat_o[13]
+    DIRECTION INOUT ;
+    USE SIGNAL ;
+    PORT
+      LAYER met2 ;
+        RECT 843.590 896.000 844.150 900.000 ;
+    END
+  END wbs_dat_o[13]
+  PIN wbs_dat_o[14]
+    DIRECTION INOUT ;
+    USE SIGNAL ;
+    PORT
+      LAYER met3 ;
+        RECT 896.000 3.140 900.000 4.340 ;
+    END
+  END wbs_dat_o[14]
+  PIN wbs_dat_o[15]
+    DIRECTION INOUT ;
+    USE SIGNAL ;
+    PORT
+      LAYER met2 ;
+        RECT 795.290 896.000 795.850 900.000 ;
+    END
+  END wbs_dat_o[15]
+  PIN wbs_dat_o[16]
+    DIRECTION INOUT ;
+    USE SIGNAL ;
+    PORT
+      LAYER met3 ;
+        RECT 0.000 485.940 4.000 487.140 ;
+    END
+  END wbs_dat_o[16]
+  PIN wbs_dat_o[17]
+    DIRECTION INOUT ;
+    USE SIGNAL ;
+    PORT
+      LAYER met3 ;
+        RECT 0.000 516.540 4.000 517.740 ;
+    END
+  END wbs_dat_o[17]
+  PIN wbs_dat_o[18]
+    DIRECTION INOUT ;
+    USE SIGNAL ;
+    PORT
+      LAYER met2 ;
+        RECT 553.790 0.000 554.350 4.000 ;
+    END
+  END wbs_dat_o[18]
+  PIN wbs_dat_o[19]
+    DIRECTION INOUT ;
+    USE SIGNAL ;
+    PORT
+      LAYER met2 ;
+        RECT -0.050 0.000 0.510 4.000 ;
+    END
+  END wbs_dat_o[19]
+  PIN wbs_dat_o[1]
+    DIRECTION INOUT ;
+    USE SIGNAL ;
+    PORT
+      LAYER met2 ;
+        RECT 650.390 0.000 650.950 4.000 ;
+    END
+  END wbs_dat_o[1]
+  PIN wbs_dat_o[20]
+    DIRECTION INOUT ;
+    USE SIGNAL ;
+    PORT
+      LAYER met3 ;
+        RECT 0.000 635.540 4.000 636.740 ;
+    END
+  END wbs_dat_o[20]
+  PIN wbs_dat_o[21]
+    DIRECTION INOUT ;
+    USE SIGNAL ;
+    PORT
+      LAYER met2 ;
+        RECT 67.570 896.000 68.130 900.000 ;
+    END
+  END wbs_dat_o[21]
+  PIN wbs_dat_o[22]
+    DIRECTION INOUT ;
+    USE SIGNAL ;
+    PORT
+      LAYER met2 ;
+        RECT 399.230 896.000 399.790 900.000 ;
+    END
+  END wbs_dat_o[22]
+  PIN wbs_dat_o[23]
+    DIRECTION INOUT ;
+    USE SIGNAL ;
+    PORT
+      LAYER met3 ;
+        RECT 0.000 468.940 4.000 470.140 ;
+    END
+  END wbs_dat_o[23]
+  PIN wbs_dat_o[24]
+    DIRECTION INOUT ;
+    USE SIGNAL ;
+    PORT
+      LAYER met2 ;
+        RECT 173.830 0.000 174.390 4.000 ;
+    END
+  END wbs_dat_o[24]
+  PIN wbs_dat_o[25]
+    DIRECTION INOUT ;
+    USE SIGNAL ;
+    PORT
+      LAYER met2 ;
+        RECT 61.130 0.000 61.690 4.000 ;
+    END
+  END wbs_dat_o[25]
+  PIN wbs_dat_o[26]
+    DIRECTION INOUT ;
+    USE SIGNAL ;
+    PORT
+      LAYER met2 ;
+        RECT 573.110 896.000 573.670 900.000 ;
+    END
+  END wbs_dat_o[26]
+  PIN wbs_dat_o[27]
+    DIRECTION INOUT ;
+    USE SIGNAL ;
+    PORT
+      LAYER met2 ;
+        RECT 383.130 896.000 383.690 900.000 ;
+    END
+  END wbs_dat_o[27]
+  PIN wbs_dat_o[28]
+    DIRECTION INOUT ;
+    USE SIGNAL ;
+    PORT
+      LAYER met2 ;
+        RECT 460.410 0.000 460.970 4.000 ;
+    END
+  END wbs_dat_o[28]
+  PIN wbs_dat_o[29]
+    DIRECTION INOUT ;
+    USE SIGNAL ;
+    PORT
+      LAYER met2 ;
+        RECT 701.910 896.000 702.470 900.000 ;
+    END
+  END wbs_dat_o[29]
+  PIN wbs_dat_o[2]
+    DIRECTION INOUT ;
+    USE SIGNAL ;
+    PORT
+      LAYER met3 ;
+        RECT 896.000 186.740 900.000 187.940 ;
+    END
+  END wbs_dat_o[2]
+  PIN wbs_dat_o[30]
+    DIRECTION INOUT ;
+    USE SIGNAL ;
+    PORT
+      LAYER met3 ;
+        RECT 0.000 703.540 4.000 704.740 ;
+    END
+  END wbs_dat_o[30]
+  PIN wbs_dat_o[31]
+    DIRECTION INOUT ;
+    USE SIGNAL ;
+    PORT
+      LAYER met3 ;
+        RECT 896.000 638.940 900.000 640.140 ;
+    END
+  END wbs_dat_o[31]
+  PIN wbs_dat_o[3]
+    DIRECTION INOUT ;
+    USE SIGNAL ;
+    PORT
+      LAYER met2 ;
+        RECT 189.930 0.000 190.490 4.000 ;
+    END
+  END wbs_dat_o[3]
+  PIN wbs_dat_o[4]
+    DIRECTION INOUT ;
+    USE SIGNAL ;
+    PORT
+      LAYER met2 ;
+        RECT 315.510 0.000 316.070 4.000 ;
+    END
+  END wbs_dat_o[4]
+  PIN wbs_dat_o[5]
+    DIRECTION INOUT ;
+    USE SIGNAL ;
+    PORT
+      LAYER met2 ;
+        RECT 505.490 0.000 506.050 4.000 ;
+    END
+  END wbs_dat_o[5]
+  PIN wbs_dat_o[6]
+    DIRECTION INOUT ;
+    USE SIGNAL ;
+    PORT
+      LAYER met3 ;
+        RECT 896.000 621.940 900.000 623.140 ;
+    END
+  END wbs_dat_o[6]
+  PIN wbs_dat_o[7]
+    DIRECTION INOUT ;
+    USE SIGNAL ;
+    PORT
+      LAYER met2 ;
+        RECT 521.590 0.000 522.150 4.000 ;
+    END
+  END wbs_dat_o[7]
+  PIN wbs_dat_o[8]
+    DIRECTION INOUT ;
+    USE SIGNAL ;
+    PORT
+      LAYER met2 ;
+        RECT 637.510 896.000 638.070 900.000 ;
+    END
+  END wbs_dat_o[8]
+  PIN wbs_dat_o[9]
+    DIRECTION INOUT ;
+    USE SIGNAL ;
+    PORT
+      LAYER met2 ;
+        RECT 621.410 896.000 621.970 900.000 ;
+    END
+  END wbs_dat_o[9]
+  PIN wbs_sel_i[0]
+    DIRECTION INPUT ;
+    USE SIGNAL ;
+    PORT
+      LAYER met3 ;
+        RECT 0.000 887.140 4.000 888.340 ;
+    END
+  END wbs_sel_i[0]
+  PIN wbs_sel_i[1]
+    DIRECTION INPUT ;
+    USE SIGNAL ;
+    PORT
+      LAYER met2 ;
+        RECT 144.850 896.000 145.410 900.000 ;
+    END
+  END wbs_sel_i[1]
+  PIN wbs_sel_i[2]
+    DIRECTION INPUT ;
+    USE SIGNAL ;
+    PORT
+      LAYER met2 ;
+        RECT 618.190 0.000 618.750 4.000 ;
+    END
+  END wbs_sel_i[2]
+  PIN wbs_sel_i[3]
+    DIRECTION INPUT ;
+    USE SIGNAL ;
+    PORT
+      LAYER met3 ;
+        RECT 0.000 217.340 4.000 218.540 ;
+    END
+  END wbs_sel_i[3]
+  PIN wbs_stb_i
+    DIRECTION INPUT ;
+    USE SIGNAL ;
+    PORT
+      LAYER met3 ;
+        RECT 0.000 768.140 4.000 769.340 ;
+    END
+  END wbs_stb_i
+  PIN wbs_we_i
+    DIRECTION INPUT ;
+    USE SIGNAL ;
+    PORT
+      LAYER met3 ;
+        RECT 896.000 421.340 900.000 422.540 ;
+    END
+  END wbs_we_i
+  OBS
+      LAYER li1 ;
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+      LAYER met1 ;
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+  END
+END wrapped_etpu
+END LIBRARY
+
diff --git a/pics/etpu.png b/pics/etpu.png
new file mode 100644
index 0000000..7ed6d29
--- /dev/null
+++ b/pics/etpu.png
Binary files differ
diff --git a/pics/multi_macro.png b/pics/multi_macro.png
index 72c8472..5bc6c44 100644
--- a/pics/multi_macro.png
+++ b/pics/multi_macro.png
Binary files differ
diff --git a/pics/multi_macro_annotated.png b/pics/multi_macro_annotated.png
index 0d476d2..1e21956 100644
--- a/pics/multi_macro_annotated.png
+++ b/pics/multi_macro_annotated.png
Binary files differ