| 1 | | {{{ |
| 2 | | #!html |
| 3 | | <h1> TP9 VLSI : Vue physique de l'AMD2901</h1> |
| 4 | | }}} |
| 5 | | [[PageOutline]] |
| 6 | | == Objectifs == |
| 7 | | * Utiliser les outils de placement et routage. |
| 8 | | * Vérifier la validité du routage. |
| 9 | | == Exercice(s) == |
| 10 | | === Exercice 1-Placement === |
| 11 | | La première étape consiste à placer les plots puis le coeur. |
| 12 | | ==== Question 1 ==== |
| 13 | | Exécutez le script suivant amd_chip.py en ayant pris soin de comprendre le contenu de ce fichier |
| 14 | | {{{ |
| 15 | | #!/usr/bin/python |
| 16 | | |
| 17 | | from stratus import * |
| 18 | | |
| 19 | | class amd_chip ( Model ) : |
| 20 | | |
| 21 | | def Interface ( self ) : |
| 22 | | |
| 23 | | self.cke = CkIn ( "cke") |
| 24 | | self.cin = SignalIn ( "cin", 1 ) |
| 25 | | self.cout = SignalOut ( "cout", 1 ) |
| 26 | | self.np = SignalOut ( "np", 1 ) |
| 27 | | self.ng = SignalOut ( "ng", 1 ) |
| 28 | | self.ovr = SignalOut ( "ovr", 1 ) |
| 29 | | self.zero = SignalOut ( "zero", 1 ) |
| 30 | | self.signe = SignalOut ( "signe", 1 ) |
| 31 | | self.r0 = TriState ( "r0", 1 ) |
| 32 | | self.r3 = TriState ( "r3", 1 ) |
| 33 | | self.q0 = TriState ( "q0", 1 ) |
| 34 | | self.q3 = TriState ( "q3", 1 ) |
| 35 | | self.a = SignalIn ( "a", 4 ) |
| 36 | | self.b = SignalIn ( "b", 4 ) |
| 37 | | self.d = SignalIn ( "d", 4 ) |
| 38 | | self.i = SignalIn ( "i", 9 ) |
| 39 | | self.noe = SignalIn ( "noe", 1 ) |
| 40 | | self.y = TriState ( "y", 4 ) |
| 41 | | |
| 42 | | self.vdd = VddIn ( "vdd" ) |
| 43 | | self.vss = VssIn ( "vss" ) |
| 44 | | self.vdde = VddIn ( "vdde" ) |
| 45 | | self.vsse = VssIn ( "vsse" ) |
| 46 | | |
| 47 | | |
| 48 | | def Netlist ( self ) : |
| 49 | | |
| 50 | | cin_from_pads = Signal ( "cin_from_pads", 1 ) |
| 51 | | cout_to_pads = Signal ( "cout_to_pads", 1 ) |
| 52 | | np_to_pads = Signal ( "np_to_pads", 1 ) |
| 53 | | ng_to_pads = Signal ( "ng_to_pads", 1 ) |
| 54 | | ovr_to_pads = Signal ( "ovr_to_pads", 1 ) |
| 55 | | zero_to_pads = Signal ( "zero_to_pads", 1 ) |
| 56 | | shift_r = Signal ( "shift_r", 1 ) |
| 57 | | shift_l = Signal ( "shift_l", 1 ) |
| 58 | | signe_to_pads = Signal ( "signe_to_pads", 1 ) |
| 59 | | r0_to_pads = Signal ( "r0_to_pads", 1 ) |
| 60 | | r3_to_pads = Signal ( "r3_to_pads", 1 ) |
| 61 | | r0_from_pads = Signal ( "r0_from_pads", 1 ) |
| 62 | | r3_from_pads = Signal ( "r3_from_pads", 1 ) |
| 63 | | q0_to_pads = Signal ( "q0_to_pads", 1 ) |
| 64 | | q3_to_pads = Signal ( "q3_to_pads", 1 ) |
| 65 | | q0_from_pads = Signal ( "q0_from_pads", 1 ) |
| 66 | | q3_from_pads = Signal ( "q3_from_pads", 1 ) |
| 67 | | ck_ring = Signal ( "ck_ring", 1 ) |
| 68 | | a_from_pads = Signal ( "a_from_pads", 4 ) |
| 69 | | b_from_pads = Signal ( "b_from_pads", 4 ) |
| 70 | | d_from_pads = Signal ( "d_from_pads", 4 ) |
| 71 | | i_from_pads = Signal ( "i_from_pads", 9 ) |
| 72 | | y_to_pads = Signal ( "y_to_pads", 4 ) |
| 73 | | noe_from_pads = Signal ( "noe_from_pads", 1 ) |
| 74 | | y_oe = Signal ( "y_oe", 1 ) |
| 75 | | self.ckc = Signal ( "ckc", 1 ) |
| 76 | | |
| 77 | | |
| 78 | | self.coeur = Inst ( "coeur" |
| 79 | | , "coeur" |
| 80 | | , map = { 'cin_from_pads' : cin_from_pads |
| 81 | | , 'cout_to_pads' : cout_to_pads |
| 82 | | , 'np_to_pads' : np_to_pads |
| 83 | | , 'ng_to_pads' : ng_to_pads |
| 84 | | , 'ovr_to_pads' : ovr_to_pads |
| 85 | | , 'signe_to_pads' : signe_to_pads |
| 86 | | , 'zero_to_pads' : zero_to_pads |
| 87 | | , 'shift_r' : shift_r |
| 88 | | , 'shift_l' : shift_l |
| 89 | | , 'r0_to_pads' : r0_to_pads |
| 90 | | , 'r3_to_pads' : r3_to_pads |
| 91 | | , 'r0_from_pads' : r0_from_pads |
| 92 | | , 'r3_from_pads' : r3_from_pads |
| 93 | | , 'q0_to_pads' : q0_to_pads |
| 94 | | , 'q3_to_pads' : q3_to_pads |
| 95 | | , 'q0_from_pads' : q0_from_pads |
| 96 | | , 'q3_from_pads' : q3_from_pads |
| 97 | | , 'ck' : self.ckc |
| 98 | | , 'a_from_pads' : a_from_pads |
| 99 | | , 'b_from_pads' : b_from_pads |
| 100 | | , 'd_from_pads' : d_from_pads |
| 101 | | , 'i_from_pads' : i_from_pads |
| 102 | | , 'y_to_pads' : y_to_pads |
| 103 | | , 'noe_from_pads' : noe_from_pads |
| 104 | | , 'y_oe' : y_oe |
| 105 | | , 'vdd' : self.vdd |
| 106 | | , 'vss' : self.vss |
| 107 | | } |
| 108 | | ) |
| 109 | | |
| 110 | | self.p_ck = Inst ( "pck_px", "p_ck" |
| 111 | | , map = { 'pad' : self.cke |
| 112 | | , 'ck' : ck_ring |
| 113 | | , 'vddi' : self.vdd |
| 114 | | , 'vssi' : self.vss |
| 115 | | , 'vdde' : self.vdde |
| 116 | | , 'vsse' : self.vsse |
| 117 | | } |
| 118 | | ) |
| 119 | | |
| 120 | | self.p_cin = Inst ( "pi_px", "p_cin" |
| 121 | | , map = { 'pad' : self.cin |
| 122 | | , 't' : cin_from_pads |
| 123 | | , 'ck' : ck_ring |
| 124 | | , 'vddi' : self.vdd |
| 125 | | , 'vssi' : self.vss |
| 126 | | , 'vdde' : self.vdde |
| 127 | | , 'vsse' : self.vsse |
| 128 | | } |
| 129 | | ) |
| 130 | | |
| 131 | | self.p_noe = Inst ( "pi_px", "p_noe" |
| 132 | | , map = { 'pad' : self.noe |
| 133 | | , 't' : noe_from_pads |
| 134 | | , 'ck' : ck_ring |
| 135 | | , 'vddi' : self.vdd |
| 136 | | , 'vssi' : self.vss |
| 137 | | , 'vdde' : self.vdde |
| 138 | | , 'vsse' : self.vsse |
| 139 | | } |
| 140 | | ) |
| 141 | | |
| 142 | | self.p_a = {} |
| 143 | | self.p_b = {} |
| 144 | | self.p_d = {} |
| 145 | | for i in range ( 4 ) : |
| 146 | | self.p_a[i] = Inst ( "pi_px", "p_a%d" % i |
| 147 | | , map = { 'pad' : self.a[i] |
| 148 | | , 't' : a_from_pads[i] |
| 149 | | , 'ck' : ck_ring |
| 150 | | , 'vddi' : self.vdd |
| 151 | | , 'vssi' : self.vss |
| 152 | | , 'vdde' : self.vdde |
| 153 | | , 'vsse' : self.vsse |
| 154 | | } |
| 155 | | ) |
| 156 | | |
| 157 | | self.p_b[i] = Inst ( "pi_px", "p_b%d" % i |
| 158 | | , map = { 'pad' : self.b[i] |
| 159 | | , 't' : b_from_pads[i] |
| 160 | | , 'ck' : ck_ring |
| 161 | | , 'vddi' : self.vdd |
| 162 | | , 'vssi' : self.vss |
| 163 | | , 'vdde' : self.vdde |
| 164 | | , 'vsse' : self.vsse |
| 165 | | } |
| 166 | | ) |
| 167 | | |
| 168 | | self.p_d[i] = Inst ( "pi_px", "p_d%d" % i |
| 169 | | , map = { 'pad' : self.d[i] |
| 170 | | , 't' : d_from_pads[i] |
| 171 | | , 'ck' : ck_ring |
| 172 | | , 'vddi' : self.vdd |
| 173 | | , 'vssi' : self.vss |
| 174 | | , 'vdde' : self.vdde |
| 175 | | , 'vsse' : self.vsse |
| 176 | | } |
| 177 | | ) |
| 178 | | |
| 179 | | self.p_i = {} |
| 180 | | for i in range ( 9 ) : |
| 181 | | self.p_i[i] = Inst ( "pi_px", "p_i%d" % i |
| 182 | | , map = { 'pad' : self.i[i] |
| 183 | | , 't' : i_from_pads[i] |
| 184 | | , 'ck' : ck_ring |
| 185 | | , 'vddi' : self.vdd |
| 186 | | , 'vssi' : self.vss |
| 187 | | , 'vdde' : self.vdde |
| 188 | | , 'vsse' : self.vsse |
| 189 | | } |
| 190 | | ) |
| 191 | | |
| 192 | | self.p_cout = Inst ( "po_px", "p_cout" |
| 193 | | , map = { 'i' : cout_to_pads |
| 194 | | , 'pad' : self.cout |
| 195 | | , 'ck' : ck_ring |
| 196 | | , 'vddi' : self.vdd |
| 197 | | , 'vssi' : self.vss |
| 198 | | , 'vdde' : self.vdde |
| 199 | | , 'vsse' : self.vsse |
| 200 | | } |
| 201 | | ) |
| 202 | | |
| 203 | | self.p_np = Inst ( "po_px", "p_np" |
| 204 | | , map = { 'i' : np_to_pads |
| 205 | | , 'pad' : self.np |
| 206 | | , 'ck' : ck_ring |
| 207 | | , 'vddi' : self.vdd |
| 208 | | , 'vssi' : self.vss |
| 209 | | , 'vdde' : self.vdde |
| 210 | | , 'vsse' : self.vsse |
| 211 | | } |
| 212 | | ) |
| 213 | | |
| 214 | | self.p_ng = Inst ( "po_px", "p_ng" |
| 215 | | , map = { 'i' : ng_to_pads |
| 216 | | , 'pad' : self.ng |
| 217 | | , 'ck' : ck_ring |
| 218 | | , 'vddi' : self.vdd |
| 219 | | , 'vssi' : self.vss |
| 220 | | , 'vdde' : self.vdde |
| 221 | | , 'vsse' : self.vsse |
| 222 | | } |
| 223 | | ) |
| 224 | | |
| 225 | | self.p_ovr = Inst ( "po_px", "p_ovr" |
| 226 | | , map = { 'i' : ovr_to_pads |
| 227 | | , 'pad' : self.ovr |
| 228 | | , 'ck' : ck_ring |
| 229 | | , 'vddi' : self.vdd |
| 230 | | , 'vssi' : self.vss |
| 231 | | , 'vdde' : self.vdde |
| 232 | | , 'vsse' : self.vsse |
| 233 | | } |
| 234 | | ) |
| 235 | | |
| 236 | | self.p_zero = Inst ( "po_px", "p_zero" |
| 237 | | , map = { 'i' : zero_to_pads |
| 238 | | , 'pad' : self.zero |
| 239 | | , 'ck' : ck_ring |
| 240 | | , 'vddi' : self.vdd |
| 241 | | , 'vssi' : self.vss |
| 242 | | , 'vdde' : self.vdde |
| 243 | | , 'vsse' : self.vsse |
| 244 | | } |
| 245 | | ) |
| 246 | | |
| 247 | | self.p_signe = Inst ( "po_px", "p_signe" |
| 248 | | , map = { 'i' : signe_to_pads |
| 249 | | , 'pad' : self.signe |
| 250 | | , 'ck' : ck_ring |
| 251 | | , 'vddi' : self.vdd |
| 252 | | , 'vssi' : self.vss |
| 253 | | , 'vdde' : self.vdde |
| 254 | | , 'vsse' : self.vsse |
| 255 | | } |
| 256 | | ) |
| 257 | | |
| 258 | | self.p_y = {} |
| 259 | | for i in range ( 4 ) : |
| 260 | | self.p_y[i] = Inst ( "pot_px", "p_y%d" % i |
| 261 | | , map = { 'i' : y_to_pads[i] |
| 262 | | , 'b' : y_oe |
| 263 | | , 'pad' : self.y[i] |
| 264 | | , 'ck' : ck_ring |
| 265 | | , 'vddi' : self.vdd |
| 266 | | , 'vssi' : self.vss |
| 267 | | , 'vdde' : self.vdde |
| 268 | | , 'vsse' : self.vsse |
| 269 | | } |
| 270 | | ) |
| 271 | | |
| 272 | | self.p_q0 = Inst ( "piot_px", "p_q0" |
| 273 | | , map = { 'i' : q0_to_pads |
| 274 | | , 'b' : shift_r |
| 275 | | , 't' : q0_from_pads |
| 276 | | , 'pad' : self.q0 |
| 277 | | , 'ck' : ck_ring |
| 278 | | , 'vddi' : self.vdd |
| 279 | | , 'vssi' : self.vss |
| 280 | | , 'vdde' : self.vdde |
| 281 | | , 'vsse' : self.vsse |
| 282 | | } |
| 283 | | ) |
| 284 | | |
| 285 | | self.p_q3 = Inst ( "piot_px", "p_q3" |
| 286 | | , map = { 'i' : q3_to_pads |
| 287 | | , 'b' : shift_l |
| 288 | | , 't' : q3_from_pads |
| 289 | | , 'pad' : self.q3 |
| 290 | | , 'ck' : ck_ring |
| 291 | | , 'vddi' : self.vdd |
| 292 | | , 'vssi' : self.vss |
| 293 | | , 'vdde' : self.vdde |
| 294 | | , 'vsse' : self.vsse |
| 295 | | } |
| 296 | | ) |
| 297 | | |
| 298 | | self.p_r0 = Inst ( "piot_px", "p_r0" |
| 299 | | , map = { 'i' : r0_to_pads |
| 300 | | , 'b' : shift_r |
| 301 | | , 't' : r0_from_pads |
| 302 | | , 'pad' : self.r0 |
| 303 | | , 'ck' : ck_ring |
| 304 | | , 'vddi' : self.vdd |
| 305 | | , 'vssi' : self.vss |
| 306 | | , 'vdde' : self.vdde |
| 307 | | , 'vsse' : self.vsse |
| 308 | | } |
| 309 | | ) |
| 310 | | |
| 311 | | self.p_r3 = Inst ( "piot_px", "p_r3" |
| 312 | | , map = { 'i' : r3_to_pads |
| 313 | | , 'b' : shift_l |
| 314 | | , 't' : r3_from_pads |
| 315 | | , 'pad' : self.r3 |
| 316 | | , 'ck' : ck_ring |
| 317 | | , 'vddi' : self.vdd |
| 318 | | , 'vssi' : self.vss |
| 319 | | , 'vdde' : self.vdde |
| 320 | | , 'vsse' : self.vsse |
| 321 | | } |
| 322 | | ) |
| 323 | | |
| 324 | | self.p_vddick0 = Inst ( "pvddick_px", "p_vddick0" |
| 325 | | , map = { 'cko' : self.ckc |
| 326 | | , 'ck' : ck_ring |
| 327 | | , 'vddi' : self.vdd |
| 328 | | , 'vssi' : self.vss |
| 329 | | , 'vdde' : self.vdde |
| 330 | | , 'vsse' : self.vsse |
| 331 | | } |
| 332 | | ) |
| 333 | | |
| 334 | | self.p_vssick0 = Inst ( "pvssick_px", "p_vssick0" |
| 335 | | , map = { 'cko' : self.ckc |
| 336 | | , 'ck' : ck_ring |
| 337 | | , 'vddi' : self.vdd |
| 338 | | , 'vssi' : self.vss |
| 339 | | , 'vdde' : self.vdde |
| 340 | | , 'vsse' : self.vsse |
| 341 | | } |
| 342 | | ) |
| 343 | | |
| 344 | | self.p_vddeck0 = Inst ( "pvddeck_px", "p_vddeck0" |
| 345 | | , map = { 'cko' : self.ckc |
| 346 | | , 'ck' : ck_ring |
| 347 | | , 'vddi' : self.vdd |
| 348 | | , 'vssi' : self.vss |
| 349 | | , 'vdde' : self.vdde |
| 350 | | , 'vsse' : self.vsse |
| 351 | | } |
| 352 | | ) |
| 353 | | |
| 354 | | self.p_vddeck1 = Inst ( "pvddeck_px", "p_vddeck1" |
| 355 | | , map = { 'cko' : self.ckc |
| 356 | | , 'ck' : ck_ring |
| 357 | | , 'vddi' : self.vdd |
| 358 | | , 'vssi' : self.vss |
| 359 | | , 'vdde' : self.vdde |
| 360 | | , 'vsse' : self.vsse |
| 361 | | } |
| 362 | | ) |
| 363 | | |
| 364 | | self.p_vsseck0 = Inst ( "pvsseck_px", "p_vsseck0" |
| 365 | | , map = { 'cko' : self.ckc |
| 366 | | , 'ck' : ck_ring |
| 367 | | , 'vddi' : self.vdd |
| 368 | | , 'vssi' : self.vss |
| 369 | | , 'vdde' : self.vdde |
| 370 | | , 'vsse' : self.vsse |
| 371 | | } |
| 372 | | ) |
| 373 | | |
| 374 | | self.p_vsseck1 = Inst ( "pvsseck_px", "p_vsseck1" |
| 375 | | , map = { 'cko' : self.ckc |
| 376 | | , 'ck' : ck_ring |
| 377 | | , 'vddi' : self.vdd |
| 378 | | , 'vssi' : self.vss |
| 379 | | , 'vdde' : self.vdde |
| 380 | | , 'vsse' : self.vsse |
| 381 | | } |
| 382 | | ) |
| 383 | | |
| 384 | | |
| 385 | | def Layout ( self ) : |
| 386 | | |
| 387 | | ##### A COMLPETER ##### |
| 388 | | DefAb(XY(0,0),XY(3000,3000)) |
| 389 | | |
| 390 | | PlaceCentric(self.coeur) |
| 391 | | |
| 392 | | PadNorth(self.p_i[3],self.p_i[4],self.p_i[5],self.p_b[0],self.p_b[1],self.p_b[2],self.p_b[3] |
| 393 | | ,self.p_q0,self.p_q3,self.p_i[6],self.p_i[7]) |
| 394 | | |
| 395 | | |
| 396 | | PadWest(self.p_ck,self.p_d[0],self.p_d[1],self.p_d[2],self.p_zero,self.p_vsseck0,self.p_ovr |
| 397 | | ,self.p_d[3],self.p_i[0],self.p_i[1],self.p_i[2]) |
| 398 | | |
| 399 | | |
| 400 | | PadSouth(self.p_cin,self.p_np,self.p_ng,self.p_vssick0,self.p_vddeck0,self.p_vsseck1,self.p_vddeck1 |
| 401 | | ,self.p_cout,self.p_y[0],self.p_y[1],self.p_y[2]) |
| 402 | | |
| 403 | | |
| 404 | | PadEast(self.p_y[3],self.p_signe,self.p_noe,self.p_a[0],self.p_a[1],self.p_vddick0 |
| 405 | | ,self.p_a[2],self.p_a[3],self.p_r0,self.p_r3,self.p_i[8]) |
