IBM A2 User Manual page 722

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User's Manual
A2 Processor
Bits
48:51
Debug Group Multiplexer Select
52
53:54
Debug Group Rotate Select
55
Debug Group Output Select [0:21]
56
Debug Group Output Select [22:43]
57
Debug Group Output Select [44:65]
58
Debug Group Output Select [66:87]
59:60
Trigger Group Multiplexer Select
61
Trigger Group Rotate Select
62
Trigger Group Output Select [0:5]
63
Trigger Group Output Select [6:11]
SCOM Accessible Registers
Page 722 of 864
Initial
Function
Value
IU Debug Mux2 Controls (16:1 Debug Multiplexer)
0
Reserved
0
0
0
0
0
0
0
0
0
0
Description
Selects which debug group is driven to the debug multiplexer output:
0000
Debug group 0.
0001
Debug group 1.
0010
Debug group 2.
|
|
1111
Debug group 15.
Selects how the 22-bit rotate function shifts the debug multiplexer out-
put data:
00
Debug Group Data [0:87] - No rotate.
01
Debug Group Data [66:87 and 0:65].
10
Debug Group Data [44:87 and 0:43].
11
Debug Group Data [22:87 and 0:21].
Determines which signal group is put on Trace Data Out [0:21].
0
Trace Data In [0:21] is routed onto the trace bus.
1
Debug Group Rotate Output [0:21] is placed onto the trace
bus.
Determines which signal group is put on Trace Data Out [22:43].
0
Trace Data In [22:43] is routed onto the trace bus.
1
Debug Group Rotate Output [22:43] is placed onto the trace
bus.
Determines which signal group is put on Trace Data Out [44:65].
0
Trace Data In [44:65] is routed onto the trace bus.
1
Debug Group Rotate Output [44:65] is placed onto the trace
bus.
Determines which signal group is put on Trace Data Out [66:87].
0
Trace Data In [66:87] is routed onto the trace bus.
1
Debug Group Rotate Output [66:87] is placed onto the trace
bus.
Selects which trigger group is driven to the multiplexer output:
00
Trigger group 0.
01
Trigger group 1.
10
Trigger group 2.
11
Trigger group 3.
Selects how the 6-bit rotate function shifts the trigger multiplexer out-
put data:
0
Trigger Group Data [0:11] - No rotate.
1
Trigger Group Data [6:11 and 0:5].
Determines which signal group is put on Trigger Data Out [0:5].
0
Trigger Data In [0:5] is routed onto the trigger bus.
1
Trigger Group Rotate Output [0:5] is placed onto the trigger
bus.
Determines which signal group is put on Trigger Data Out [6:11].
0
Trigger Data In [6:11] is routed onto the trigger bus.
1
Trigger Group Rotate Output [6:11] is placed onto the trigger
bus.
Version 1.3
October 23, 2012

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