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B–6 21264/EV67 Boundary-Scan Register
Alpha 21264/EV67 Hardware Reference Manual
Boundary-Scan Register
"VSS : (44 , 259 , 388 , 138 , 97 , 146 , 60 , 278 , "&
" 497 , 233 , 178 , 323 , 479 , 436 , 485 , 444 , "&
" 538 , 310 , 21 , 281 , 226 , 371 , 47 , 53 , "&
" 578 , 106 , 358 , 155 , 313 , 274 , 433 , 181 , "&
" 94 , 531 , 57 , 494 , 406 , 216 , 361 , 306 , "&
" 567 , 229 , 482 , 10 , 535 , 18 , 541 , 264 , "&
" 409 , 354 , 91 , 277 , 50 , 144 , 103 , 152 , "&
" 109 , 328 , 544 , 402 , 196 , 309 , 528 , 442 , "&
" 491 , 450 , 199 , 376 , 522 , 244 , 405 , 7 , "&
" 576 , 15 , 584 , 247 , 453 , 1 , 292 , 435 , "&
" 141 , 100 , 149 , 63 , 295 , 587 , 135 , 340 , "&
" 525 , 461 , 488 , 447 , 182 , 343 , 66 , 211 , "&
" 372 , 4 , 573 , 12 , 581 , 230 , 391 , 185 ,"&
“ 93 , 228 , 324 , 480 , 85 , 240 , 326 , 452 ),"&
"VDD : (22 , 251 , 380 , 72 , 31 , 168 , 560 , 366 , "&
" 519 , 273 , 157 , 331 , 396 , 505 , 165 , 422 , "&
" 83 , 428 , 132 , 321 , 218 , 379 , 502 , 28 , "&
" 419 , 557 , 516 , 563 , 208 , 369 , 266 , 456 , "&
" 25 , 162 , 554 , 80 , 129 , 86 , 256 , 431 , "&
" 314 , 69 , 221 , 416 , 122 , 513 , 472 , 191 , "&
" 336 , 566 , 362 , 188 , 269 , 551 , 465 , 126 , "&
" 40 , 239 , 384 , 410 , 236 , 317 , 119 , 11 , "&
" 469 , 174 , 287 , 475 , 284 , 548 , 462 , 123 , "&
" 37 , 222 , 303 , 43 , 113 , 300 , 116 , 75 , "&
" 466 , 171 , 270 , 351 , 177 , 203 , 348 , 459 , "&
" 508 , 34 , 425 , 318 , 399 , 225 ) ";
attribute PORT_GROUPING of Alpha_21264/EV67 : entity is-- (Ref B.8.8. See Note 4.
"Differential_Voltage ( (CLKIN_H), (CLKIN_L) )" ;
attribute TAP_SCAN_CLOCK of Tck_H : signal is (5.0e6, LOW);
attribute TAP_SCAN_IN of Tdi_H : signal is TRUE;
attribute TAP_SCAN_OUT of Tdo_H : signal is TRUE;
attribute TAP_SCAN_MODE of Tms_H : signal is TRUE;
attribute TAP_SCAN_RESET of Trst_L : signal is TRUE;
attribute COMPLIANCE_PATTERNS of Alpha_21264/EV67 : entity is -- (Ref B.8.10). See
Note 4.
"(DcOk_H), (1)" ;
attribute INSTRUCTION_LENGTH of Alpha_21264/EV67 : entity is 5 ;
attribute INSTRUCTION_OPCODE of Alpha_21264/EV67 : entity is
"EXTEST (11011),"&-- No longer mandated to be (00000)!
"SAMPLE (11000),"&-- JWB changed "PRELOAD" to "SAMPLE"
"CLAMP (11010),"&
"HIGHZ (11001),"&
"DIE_ID (11110),"&
"BYPASS (11111)";
attribute INSTRUCTION_CAPTURE of Alpha_21264/EV67 : entity is "00001" ;
attribute INSTRUCTION_PRIVATE of Alpha_21264/EV67 : entity is "Private"; -- See Note 4.
attribute REGISTER_ACCESS of Alpha_21264/EV67 : entity is-- (ref B.8.13)
"BOUNDARY (EXTEST, SAMPLE)," &-- Redundant. Added for completeness
"BYPASS (BYPASS, HIGHZ, CLAMP)," &-- ditto
"DIE_ID[32] (DIE_ID)";
attribute BOUNDARY_LENGTH of Alpha_21264/EV67 : entity is 367 ;
attribute BOUNDARY_REGISTER of Alpha_21264/EV67 : entity is
-----------------------------------------------------------------------------
-- scan cell safe cntrl disable disable
-- cell type port function | cell value state
----|-----|-----|-------------------|--------|---|----|------|--------------
" 366 ( BC_2, TestStat_H, OUTPUT2, x ), "& --
" 365 ( BC_2, SromOE_L, OUTPUT2, X ), "& --