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B–6 21264/EV68A Boundary-Scan Register
21264/EV68A 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_21264b : 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_21264b : entity is -- (Ref B.8.10). See Note 4.
"(DcOk_H), (1)" ;
attribute INSTRUCTION_LENGTH of Alpha_21264b : entity is 5 ;
attribute INSTRUCTION_OPCODE of Alpha_21264b : 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_21264b : entity is "00001" ;
attribute INSTRUCTION_PRIVATE of Alpha_21264b : entity is "Private"; -- See Note 4.
attribute REGISTER_ACCESS of Alpha_21264b : 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_21264b : entity is 367 ;
attribute BOUNDARY_REGISTER of Alpha_21264b : 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 ), "& --
" 364 ( BC_2, SromClk_H, OUTPUT2, x ), "& --