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1 | // ========== Copyright Header Begin ========================================== |
2 | // | |
3 | // OpenSPARC T2 Processor File: n2_com_dp_32x84_cust.v | |
4 | // Copyright (C) 1995-2007 Sun Microsystems, Inc. All Rights Reserved | |
5 | // 4150 Network Circle, Santa Clara, California 95054, U.S.A. | |
6 | // | |
7 | // * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. | |
8 | // | |
9 | // This program is free software; you can redistribute it and/or modify | |
10 | // it under the terms of the GNU General Public License as published by | |
11 | // the Free Software Foundation; version 2 of the License. | |
12 | // | |
13 | // This program is distributed in the hope that it will be useful, | |
14 | // but WITHOUT ANY WARRANTY; without even the implied warranty of | |
15 | // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
16 | // GNU General Public License for more details. | |
17 | // | |
18 | // You should have received a copy of the GNU General Public License | |
19 | // along with this program; if not, write to the Free Software | |
20 | // Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA | |
21 | // | |
22 | // For the avoidance of doubt, and except that if any non-GPL license | |
23 | // choice is available it will apply instead, Sun elects to use only | |
24 | // the General Public License version 2 (GPLv2) at this time for any | |
25 | // software where a choice of GPL license versions is made | |
26 | // available with the language indicating that GPLv2 or any later version | |
27 | // may be used, or where a choice of which version of the GPL is applied is | |
28 | // otherwise unspecified. | |
29 | // | |
30 | // Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, | |
31 | // CA 95054 USA or visit www.sun.com if you need additional information or | |
32 | // have any questions. | |
33 | // | |
34 | // ========== Copyright Header End ============================================ | |
35 | module n2_com_dp_32x84_cust ( | |
36 | wr_adr, | |
37 | wr_en, | |
38 | rd_adr, | |
39 | rd_en, | |
40 | din, | |
41 | dout, | |
42 | rdclk, | |
43 | wrclk, | |
44 | scan_in, | |
45 | tcu_pce_ov, | |
46 | tcu_aclk, | |
47 | tcu_bclk, | |
48 | tcu_array_wr_inhibit, | |
49 | tcu_se_scancollar_in, | |
50 | bist_clk_mux_sel, | |
51 | rd_pce, | |
52 | wr_pce, | |
53 | scan_out); | |
54 | wire rd_lce; | |
55 | wire wr_lce; | |
56 | wire rdclk_in; | |
57 | wire wrclk_in; | |
58 | wire rdclk_free; | |
59 | wire wrclk_free; | |
60 | wire dff_wr_addr_scanin; | |
61 | wire dff_wr_addr_scanout; | |
62 | wire [4:0] wr_adr_d1; | |
63 | wire [4:1] dff_rd_addr_scan; | |
64 | wire dff_rd_addr_scanin; | |
65 | wire dff_rd_addr_scanout; | |
66 | wire [4:0] rd_adr_d1; | |
67 | wire [4:0] rd_adr_mq_l_unused; | |
68 | wire [4:0] rd_adr_q_unused; | |
69 | wire [4:0] rd_adr_q_l_unused; | |
70 | wire dff_rd_en_scanin; | |
71 | wire dff_rd_en_scanout; | |
72 | wire rd_en_d1; | |
73 | wire rd_en_mq_l_unused; | |
74 | wire rd_en_q_unused; | |
75 | wire rd_en_q_l_unused; | |
76 | wire dff_wr_en_scanin; | |
77 | wire dff_wr_en_scanout; | |
78 | wire wr_en_d1; | |
79 | wire [41:1] dff_din_hi_scan; | |
80 | wire dff_din_hi_scanin; | |
81 | wire dff_din_hi_scanout; | |
82 | wire [83:0] din_d1; | |
83 | wire [41:1] dff_din_lo_scan; | |
84 | wire dff_din_lo_scanin; | |
85 | wire dff_din_lo_scanout; | |
86 | wire wr_inh_; | |
87 | wire rd_en_d1_qual; | |
88 | wire wr_en_d1_qual; | |
89 | wire [83:0] local_dout; | |
90 | wire dff_dout_scanout; | |
91 | wire dff_dout_scanin; | |
92 | ||
93 | input [4:0] wr_adr; | |
94 | input wr_en; | |
95 | input [4:0] rd_adr; | |
96 | input rd_en; | |
97 | input [83:0] din; | |
98 | output [83:0] dout; | |
99 | input rdclk; | |
100 | input wrclk; | |
101 | input scan_in; | |
102 | input tcu_pce_ov; | |
103 | input tcu_aclk; | |
104 | input tcu_bclk; | |
105 | input tcu_array_wr_inhibit; | |
106 | input tcu_se_scancollar_in; | |
107 | ||
108 | ||
109 | input bist_clk_mux_sel; | |
110 | input rd_pce; | |
111 | input wr_pce; | |
112 | output scan_out; | |
113 | ||
114 | ||
115 | `ifndef FPGA | |
116 | // JDL 05/17/07 | |
117 | // synopsys translate_off | |
118 | `endif | |
119 | ||
120 | wire pce_ov = tcu_pce_ov; | |
121 | wire siclk = tcu_aclk; | |
122 | wire soclk = tcu_bclk; | |
123 | //================================================ | |
124 | // Clock headers | |
125 | //================================================ | |
126 | cl_mc1_bistlatch_4x rd_pce_lat ( | |
127 | .l2clk (rdclk), | |
128 | .pce (rd_pce), | |
129 | .pce_ov (pce_ov), | |
130 | .lce (rd_lce) | |
131 | ); | |
132 | cl_mc1_bistlatch_4x wr_pce_lat ( | |
133 | .l2clk (wrclk), | |
134 | .pce (wr_pce), | |
135 | .pce_ov (pce_ov), | |
136 | .lce (wr_lce) | |
137 | ); | |
138 | cl_mc1_bistl1hdr_8x rch_in ( | |
139 | .l2clk (rdclk), | |
140 | .se (tcu_se_scancollar_in), | |
141 | .clksel (bist_clk_mux_sel), | |
142 | .bistclk(rdclk), | |
143 | .lce (rd_lce), | |
144 | .l1clk (rdclk_in) | |
145 | ); | |
146 | cl_mc1_bistl1hdr_8x wch_in ( | |
147 | .l2clk (wrclk), | |
148 | .se (tcu_se_scancollar_in), | |
149 | .clksel (bist_clk_mux_sel), | |
150 | .bistclk(rdclk), | |
151 | .lce (wr_lce), | |
152 | .l1clk (wrclk_in) | |
153 | ); | |
154 | cl_mc1_bistl1hdr_8x rch_free ( | |
155 | .l2clk (rdclk), | |
156 | .se (1'b0), | |
157 | .clksel (bist_clk_mux_sel), | |
158 | .bistclk(rdclk), | |
159 | .lce (rd_lce), | |
160 | .l1clk (rdclk_free) | |
161 | ); | |
162 | cl_mc1_bistl1hdr_8x wch_free ( | |
163 | .l2clk (wrclk), | |
164 | .se (1'b0), | |
165 | .clksel (bist_clk_mux_sel), | |
166 | .bistclk(rdclk), | |
167 | .lce (wr_lce), | |
168 | .l1clk (wrclk_free) | |
169 | ); | |
170 | ||
171 | ||
172 | /////////////////////////////////////////////////////////////// | |
173 | // Flop the inputs // | |
174 | /////////////////////////////////////////////////////////////// | |
175 | n2_com_dp_32x84_cust_msff_ctl_macro__width_5 dff_wr_addr ( | |
176 | .scan_in (dff_wr_addr_scanin), | |
177 | .scan_out (dff_wr_addr_scanout), | |
178 | .l1clk (wrclk_in), | |
179 | .din (wr_adr[4:0]), | |
180 | .dout (wr_adr_d1[4:0]), | |
181 | .siclk(siclk), | |
182 | .soclk(soclk) | |
183 | ); | |
184 | n2_com_dp_32x84_cust_sram_msff_mo_macro__fs_1__width_5 dff_rd_addr ( | |
185 | .scan_in ({dff_rd_addr_scan[4:1],dff_rd_addr_scanin}), | |
186 | .scan_out ({dff_rd_addr_scanout,dff_rd_addr_scan[4:1]}), | |
187 | .l1clk (rdclk_in), | |
188 | .and_clk (rdclk_in), | |
189 | .d (rd_adr[4:0]), | |
190 | .mq (rd_adr_d1[4:0]), | |
191 | .mq_l (rd_adr_mq_l_unused[4:0]), | |
192 | .q (rd_adr_q_unused[4:0]), | |
193 | .q_l (rd_adr_q_l_unused[4:0]), | |
194 | .siclk(siclk), | |
195 | .soclk(soclk) | |
196 | ); | |
197 | n2_com_dp_32x84_cust_sram_msff_mo_macro__width_1 dff_rd_en ( | |
198 | .scan_in (dff_rd_en_scanin), | |
199 | .scan_out (dff_rd_en_scanout), | |
200 | .l1clk (rdclk_in), | |
201 | .and_clk (rdclk_in), | |
202 | .d (rd_en), | |
203 | .mq (rd_en_d1), | |
204 | .mq_l (rd_en_mq_l_unused), | |
205 | .q (rd_en_q_unused), | |
206 | .q_l (rd_en_q_l_unused), | |
207 | .siclk(siclk), | |
208 | .soclk(soclk) | |
209 | ); | |
210 | n2_com_dp_32x84_cust_msff_ctl_macro__width_1 dff_wr_en ( | |
211 | .scan_in (dff_wr_en_scanin), | |
212 | .scan_out (dff_wr_en_scanout), | |
213 | .l1clk (wrclk_in), | |
214 | .din (wr_en), | |
215 | .dout (wr_en_d1), | |
216 | .siclk(siclk), | |
217 | .soclk(soclk) | |
218 | ); | |
219 | n2_com_dp_32x84_cust_msff_ctl_macro__fs_1__width_42 dff_din_hi ( | |
220 | .scan_in ({dff_din_hi_scan[41:1],dff_din_hi_scanin}), | |
221 | .scan_out ({dff_din_hi_scanout,dff_din_hi_scan[41:1]}), | |
222 | .l1clk (wrclk_in), | |
223 | .din (din[83:42]), | |
224 | .dout (din_d1[83:42]), | |
225 | .siclk(siclk), | |
226 | .soclk(soclk) | |
227 | ); | |
228 | n2_com_dp_32x84_cust_msff_ctl_macro__fs_1__width_42 dff_din_lo ( | |
229 | .scan_in ({dff_din_lo_scan[41:1],dff_din_lo_scanin}), | |
230 | .scan_out ({dff_din_lo_scanout,dff_din_lo_scan[41:1]}), | |
231 | .l1clk (wrclk_in), | |
232 | .din (din[41:0]), | |
233 | .dout (din_d1[41:0]), | |
234 | .siclk(siclk), | |
235 | .soclk(soclk) | |
236 | ); | |
237 | n2_com_dp_32x84_cust_inv_macro__width_1 wr_inh_inv ( | |
238 | .din (tcu_array_wr_inhibit), | |
239 | .dout (wr_inh_) | |
240 | ); | |
241 | n2_com_dp_32x84_cust_and_macro__width_2 enable_qual ( | |
242 | .din0 ({2{wr_inh_}}), | |
243 | .din1 ({rd_en_d1,wr_en_d1}), | |
244 | .dout ({rd_en_d1_qual,wr_en_d1_qual}) | |
245 | ); | |
246 | n2_com_dp_32x84_cust_n2_com_array_macro__rows_32__width_84__z_array array ( | |
247 | .rclk (rdclk_free), | |
248 | .wclk (wrclk_free), | |
249 | .wr_adr (wr_adr_d1[4:0]), | |
250 | .wr_en (wr_en_d1_qual), | |
251 | .rd_adr (rd_adr_d1[4:0]), | |
252 | .rd_en (rd_en_d1_qual), | |
253 | .din (din_d1[83:0]), | |
254 | .dout (local_dout[83:0]) | |
255 | ); | |
256 | ||
257 | ||
258 | assign dout[83:0] = local_dout[83:0]; | |
259 | assign dff_dout_scanout = dff_dout_scanin; | |
260 | ||
261 | supply0 vss; | |
262 | supply1 vdd; | |
263 | ||
264 | // fixscan start: | |
265 | assign dff_wr_addr_scanin = scan_in ; | |
266 | assign dff_rd_addr_scanin = dff_wr_addr_scanout ; | |
267 | assign dff_wr_en_scanin = dff_rd_addr_scanout ; | |
268 | assign dff_rd_en_scanin = dff_wr_en_scanout ; | |
269 | assign dff_din_lo_scanin = dff_rd_en_scanout ; | |
270 | assign dff_din_hi_scanin = dff_din_lo_scanout ; | |
271 | assign dff_dout_scanin = dff_din_hi_scanout ; | |
272 | assign scan_out = dff_dout_scanout ; | |
273 | // fixscan end: | |
274 | ||
275 | ||
276 | `ifndef FPGA | |
277 | // JDL 05/17/07 | |
278 | // synopsys translate_on | |
279 | `endif | |
280 | ||
281 | endmodule | |
282 | ||
283 | ||
284 | ||
285 | ||
286 | ||
287 | ||
288 | ||
289 | // any PARAMS parms go into naming of macro | |
290 | ||
291 | module n2_com_dp_32x84_cust_msff_ctl_macro__width_5 ( | |
292 | din, | |
293 | l1clk, | |
294 | scan_in, | |
295 | siclk, | |
296 | soclk, | |
297 | dout, | |
298 | scan_out); | |
299 | wire [4:0] fdin; | |
300 | wire [3:0] so; | |
301 | ||
302 | input [4:0] din; | |
303 | input l1clk; | |
304 | input scan_in; | |
305 | ||
306 | ||
307 | input siclk; | |
308 | input soclk; | |
309 | ||
310 | output [4:0] dout; | |
311 | output scan_out; | |
312 | assign fdin[4:0] = din[4:0]; | |
313 | ||
314 | ||
315 | ||
316 | ||
317 | ||
318 | ||
319 | dff #(5) d0_0 ( | |
320 | .l1clk(l1clk), | |
321 | .siclk(siclk), | |
322 | .soclk(soclk), | |
323 | .d(fdin[4:0]), | |
324 | .si({scan_in,so[3:0]}), | |
325 | .so({so[3:0],scan_out}), | |
326 | .q(dout[4:0]) | |
327 | ); | |
328 | ||
329 | ||
330 | ||
331 | ||
332 | ||
333 | ||
334 | ||
335 | ||
336 | ||
337 | ||
338 | ||
339 | ||
340 | endmodule | |
341 | ||
342 | ||
343 | ||
344 | ||
345 | ||
346 | ||
347 | ||
348 | ||
349 | ||
350 | // | |
351 | // macro for cl_mc1_sram_msff_mo_{16,8,4}x flops | |
352 | // | |
353 | // | |
354 | ||
355 | ||
356 | ||
357 | ||
358 | ||
359 | module n2_com_dp_32x84_cust_sram_msff_mo_macro__fs_1__width_5 ( | |
360 | d, | |
361 | scan_in, | |
362 | l1clk, | |
363 | and_clk, | |
364 | siclk, | |
365 | soclk, | |
366 | mq, | |
367 | mq_l, | |
368 | scan_out, | |
369 | q, | |
370 | q_l); | |
371 | input [4:0] d; | |
372 | input [4:0] scan_in; | |
373 | input l1clk; | |
374 | input and_clk; | |
375 | input siclk; | |
376 | input soclk; | |
377 | output [4:0] mq; | |
378 | output [4:0] mq_l; | |
379 | output [4:0] scan_out; | |
380 | output [4:0] q; | |
381 | output [4:0] q_l; | |
382 | ||
383 | ||
384 | ||
385 | ||
386 | ||
387 | ||
388 | new_dlata #(5) d0_0 ( | |
389 | .d(d[4:0]), | |
390 | .si(scan_in[4:0]), | |
391 | .so(scan_out[4:0]), | |
392 | .l1clk(l1clk), | |
393 | .and_clk(and_clk), | |
394 | .siclk(siclk), | |
395 | .soclk(soclk), | |
396 | .q(q[4:0]), | |
397 | .q_l(q_l[4:0]), | |
398 | .mq(mq[4:0]), | |
399 | .mq_l(mq_l[4:0]) | |
400 | ); | |
401 | ||
402 | ||
403 | ||
404 | ||
405 | ||
406 | ||
407 | ||
408 | ||
409 | ||
410 | ||
411 | //place::generic_place($width,$stack,$left); | |
412 | ||
413 | endmodule | |
414 | ||
415 | ||
416 | ||
417 | ||
418 | ||
419 | // | |
420 | // macro for cl_mc1_sram_msff_mo_{16,8,4}x flops | |
421 | // | |
422 | // | |
423 | ||
424 | ||
425 | ||
426 | ||
427 | ||
428 | module n2_com_dp_32x84_cust_sram_msff_mo_macro__width_1 ( | |
429 | d, | |
430 | scan_in, | |
431 | l1clk, | |
432 | and_clk, | |
433 | siclk, | |
434 | soclk, | |
435 | mq, | |
436 | mq_l, | |
437 | scan_out, | |
438 | q, | |
439 | q_l); | |
440 | input [0:0] d; | |
441 | input scan_in; | |
442 | input l1clk; | |
443 | input and_clk; | |
444 | input siclk; | |
445 | input soclk; | |
446 | output [0:0] mq; | |
447 | output [0:0] mq_l; | |
448 | output scan_out; | |
449 | output [0:0] q; | |
450 | output [0:0] q_l; | |
451 | ||
452 | ||
453 | ||
454 | ||
455 | ||
456 | ||
457 | new_dlata #(1) d0_0 ( | |
458 | .d(d[0:0]), | |
459 | .si(scan_in), | |
460 | .so(scan_out), | |
461 | .l1clk(l1clk), | |
462 | .and_clk(and_clk), | |
463 | .siclk(siclk), | |
464 | .soclk(soclk), | |
465 | .q(q[0:0]), | |
466 | .q_l(q_l[0:0]), | |
467 | .mq(mq[0:0]), | |
468 | .mq_l(mq_l[0:0]) | |
469 | ); | |
470 | ||
471 | ||
472 | ||
473 | ||
474 | ||
475 | ||
476 | ||
477 | ||
478 | ||
479 | ||
480 | //place::generic_place($width,$stack,$left); | |
481 | ||
482 | endmodule | |
483 | ||
484 | ||
485 | ||
486 | ||
487 | ||
488 | ||
489 | ||
490 | ||
491 | ||
492 | // any PARAMS parms go into naming of macro | |
493 | ||
494 | module n2_com_dp_32x84_cust_msff_ctl_macro__width_1 ( | |
495 | din, | |
496 | l1clk, | |
497 | scan_in, | |
498 | siclk, | |
499 | soclk, | |
500 | dout, | |
501 | scan_out); | |
502 | wire [0:0] fdin; | |
503 | ||
504 | input [0:0] din; | |
505 | input l1clk; | |
506 | input scan_in; | |
507 | ||
508 | ||
509 | input siclk; | |
510 | input soclk; | |
511 | ||
512 | output [0:0] dout; | |
513 | output scan_out; | |
514 | assign fdin[0:0] = din[0:0]; | |
515 | ||
516 | ||
517 | ||
518 | ||
519 | ||
520 | ||
521 | dff #(1) d0_0 ( | |
522 | .l1clk(l1clk), | |
523 | .siclk(siclk), | |
524 | .soclk(soclk), | |
525 | .d(fdin[0:0]), | |
526 | .si(scan_in), | |
527 | .so(scan_out), | |
528 | .q(dout[0:0]) | |
529 | ); | |
530 | ||
531 | ||
532 | ||
533 | ||
534 | ||
535 | ||
536 | ||
537 | ||
538 | ||
539 | ||
540 | ||
541 | ||
542 | endmodule | |
543 | ||
544 | ||
545 | ||
546 | ||
547 | ||
548 | ||
549 | ||
550 | ||
551 | ||
552 | ||
553 | ||
554 | ||
555 | ||
556 | // any PARAMS parms go into naming of macro | |
557 | ||
558 | module n2_com_dp_32x84_cust_msff_ctl_macro__fs_1__width_42 ( | |
559 | din, | |
560 | l1clk, | |
561 | scan_in, | |
562 | siclk, | |
563 | soclk, | |
564 | dout, | |
565 | scan_out); | |
566 | wire [41:0] fdin; | |
567 | ||
568 | input [41:0] din; | |
569 | input l1clk; | |
570 | input [41:0] scan_in; | |
571 | ||
572 | ||
573 | input siclk; | |
574 | input soclk; | |
575 | ||
576 | output [41:0] dout; | |
577 | output [41:0] scan_out; | |
578 | assign fdin[41:0] = din[41:0]; | |
579 | ||
580 | ||
581 | ||
582 | ||
583 | ||
584 | ||
585 | dff #(42) d0_0 ( | |
586 | .l1clk(l1clk), | |
587 | .siclk(siclk), | |
588 | .soclk(soclk), | |
589 | .d(fdin[41:0]), | |
590 | .si(scan_in[41:0]), | |
591 | .so(scan_out[41:0]), | |
592 | .q(dout[41:0]) | |
593 | ); | |
594 | ||
595 | ||
596 | ||
597 | ||
598 | ||
599 | ||
600 | ||
601 | ||
602 | ||
603 | ||
604 | ||
605 | ||
606 | endmodule | |
607 | ||
608 | ||
609 | ||
610 | ||
611 | ||
612 | ||
613 | ||
614 | ||
615 | ||
616 | // | |
617 | // invert macro | |
618 | // | |
619 | // | |
620 | ||
621 | ||
622 | ||
623 | ||
624 | ||
625 | module n2_com_dp_32x84_cust_inv_macro__width_1 ( | |
626 | din, | |
627 | dout); | |
628 | input [0:0] din; | |
629 | output [0:0] dout; | |
630 | ||
631 | ||
632 | ||
633 | ||
634 | ||
635 | ||
636 | inv #(1) d0_0 ( | |
637 | .in(din[0:0]), | |
638 | .out(dout[0:0]) | |
639 | ); | |
640 | ||
641 | ||
642 | ||
643 | ||
644 | ||
645 | ||
646 | ||
647 | ||
648 | ||
649 | endmodule | |
650 | ||
651 | ||
652 | ||
653 | ||
654 | ||
655 | // | |
656 | // and macro for ports = 2,3,4 | |
657 | // | |
658 | // | |
659 | ||
660 | ||
661 | ||
662 | ||
663 | ||
664 | module n2_com_dp_32x84_cust_and_macro__width_2 ( | |
665 | din0, | |
666 | din1, | |
667 | dout); | |
668 | input [1:0] din0; | |
669 | input [1:0] din1; | |
670 | output [1:0] dout; | |
671 | ||
672 | ||
673 | ||
674 | ||
675 | ||
676 | ||
677 | and2 #(2) d0_0 ( | |
678 | .in0(din0[1:0]), | |
679 | .in1(din1[1:0]), | |
680 | .out(dout[1:0]) | |
681 | ); | |
682 | ||
683 | ||
684 | ||
685 | ||
686 | ||
687 | ||
688 | ||
689 | ||
690 | ||
691 | endmodule | |
692 | ||
693 | ||
694 | ||
695 | ||
696 | ||
697 | ||
698 | ||
699 | ||
700 | ||
701 | ||
702 | module n2_com_dp_32x84_cust_n2_com_array_macro__rows_32__width_84__z_array ( | |
703 | rclk, | |
704 | wclk, | |
705 | rd_adr, | |
706 | rd_en, | |
707 | wr_en, | |
708 | wr_adr, | |
709 | din, | |
710 | dout); | |
711 | ||
712 | input rclk; | |
713 | input wclk; | |
714 | input [4:0] rd_adr; | |
715 | input rd_en; | |
716 | input wr_en; | |
717 | input [4:0] wr_adr; | |
718 | input [84-1:0] din; | |
719 | output [84-1:0] dout; | |
720 | ||
721 | ||
722 | ||
723 | reg [84-1:0] mem[32-1:0]; | |
724 | reg [84-1:0] local_dout; | |
725 | ||
726 | `ifndef NOINITMEM | |
727 | // Emulate reset | |
728 | integer i; | |
729 | initial begin | |
730 | for (i=0; i<32; i=i+1) begin | |
731 | mem[i] = 84'b0; | |
732 | end | |
733 | local_dout = 84'b0; | |
734 | end | |
735 | `endif | |
736 | ////////////////////// | |
737 | // Read/write array | |
738 | ////////////////////// | |
739 | always @(negedge wclk) begin | |
740 | if (wr_en) begin | |
741 | mem[wr_adr] <= din; | |
742 | ||
743 | ||
744 | end | |
745 | end | |
746 | always @(rclk or rd_en or wr_en or rd_adr or wr_adr) begin | |
747 | if (rclk) begin | |
748 | if (rd_en) begin | |
749 | if (wr_en & (wr_adr[4:0] == rd_adr[4:0])) | |
750 | local_dout[84-1:0] <= 84'hx; | |
751 | else | |
752 | local_dout[84-1:0] <= mem[rd_adr] ; | |
753 | end | |
754 | else | |
755 | local_dout[84-1:0] <= ~(84'h0); | |
756 | end | |
757 | end | |
758 | assign dout[84-1:0] = local_dout[84-1:0]; | |
759 | supply0 vss; | |
760 | supply1 vdd; | |
761 | ||
762 | ||
763 | ||
764 | ||
765 | endmodule | |
766 |