Compaq 21264 Hardware Reference Manual page 296

Boundary-Scan Register
" 39 ( BC_2, BcData_H(127),
" 38 ( BC_2, BcData_H(63),
" 37 ( BC_2, SysCheck_L(7),
" 36 ( BC_2, BcCheck_H(15),
" 35 ( BC_2, BcCheck_H(7),
" 34 ( BC_2, SysAddOut_L(0),
" 33 ( BC_2, SysAddOut_L(1),
" 32 ( BC_2, SysAddOut_L(2),
" 31 ( BC_2, SysAddOut_L(3),
" 30 ( BC_2, SysAddOut_L(4),
" 29 ( BC_2, SysAddOut_L(5),
" 28 ( BC_2, SysAddOut_L(6),
" 27 ( BC_2, SysAddOut_L(7),
" 26 ( BC_2, SysAddOutClk_L,
" 25 ( BC_2, SysAddOut_L(8),
" 24 ( BC_2, SysAddOut_L(9),
" 23 ( BC_2, SysAddOut_L(10),
" 22 ( BC_2, SysAddOut_L(11),
" 21 ( BC_2, SysAddOut_L(12),
" 20 ( BC_2, SysAddOut_L(13),
" 19 ( BC_2, SysAddOut_L(14),
" 18 ( BC_3, SysAddIn_L(0),
" 17 ( BC_3, SysAddIn_L(1),
" 16 ( BC_3, SysAddIn_L(2),
" 15 ( BC_3, SysAddIn_L(3),
" 14 ( BC_3, SysAddIn_L(4),
" 13 ( BC_3, SysAddIn_L(5),
" 12 ( BC_3, SysAddIn_L(6),
" 11 ( BC_3, SysAddIn_L(7),
" 10 ( BC_3, SysAddIn_L(8),
" 9 ( BC_3, SysAddInClk_L,
" 8 ( BC_3, SysAddIn_L(9),
" 7 ( BC_3, SysAddIn_L(10),
" 6 ( BC_3, SysAddIn_L(11),
" 5 ( BC_3, SysAddIn_L(12),
" 4 ( BC_3, SysAddIn_L(13),
" 3 ( BC_3, SysAddIn_L(14),
" 2 ( BC_3, SysFillValid_L,
" 1 ( BC_3, SysDataInValid_L,
" 0 ( BC_3, SysDataOutValid_L,
attribute DESIGN_WARNING of Alpha_21264/EV67: entity is
"1. IEEE 1149.1 circuits on Alpha 21264/EV67 are designed primarily to support
" testing in off-line module manufacturing environment. The SAMPLE/PRELOAD"&
" instruction support is designed primarily for supporting interconnection"&
" verification test and not for at-speed samples of pin data.
"2. TDO is Open-Drain signal.
"3. Add comment on port pin electrical characteristics:
"4. Comment out if compiler does not support this statement.
end Alpha_21264/EV67;
21264/EV67 Boundary-Scan Register
B–12
BIDIR, x, 50, 0,
BIDIR, x, 50, 0,
BIDIR, x, 53, 0,
BIDIR, x, 50, 0,
BIDIR, x, 50, 0,
OUTPUT2, x
OUTPUT2, x
OUTPUT2, x
OUTPUT2, x
OUTPUT2, x
OUTPUT2, x
OUTPUT2, x
OUTPUT2, x
OUTPUT2, x
OUTPUT2, x
OUTPUT2, x
OUTPUT2, x
OUTPUT2, x
OUTPUT2, x
OUTPUT2, x
OUTPUT2, x
INPUT, x
INPUT, x
INPUT, x
INPUT, x
INPUT, x
INPUT, x
INPUT, x
INPUT, x
INPUT, x
INPUT, x
INPUT, x
INPUT, x
INPUT, x
INPUT, x
INPUT, x
INPUT, x
INPUT, x
INPUT, x
INPUT, x
Alpha 21264/EV67 Hardware Reference Manual
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