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DBCR0 (cont.)
Debug Control Register 0
10-12 PPC405 Core User’s Manual
11 IA12X Enable Instruction Address Exclusive
Range Compare 1–2
0 Inclusive
1 Exclusive
Selects the range defined by IAC1 and
IAC2 to be inclusive or exclusive.
12 IA3 IAC 3 Debug Event
0 Disabled
1 Enabled
13 IA4 IAC 4 Debug Event
0 Disabled
1 Enabled
14 IA34 Instruction Address Range Compare 3–4
0 Disabled
1 Enabled
Registers IAC3 and IAC4 define an
address range used for IAC address
comparisons.
15 IA34X Instruction Address Exclusive Range
Compare 3–4
0 Inclusive
1 Exclusive
Selects range defined by IAC3 and IAC4 to
be inclusive or exclusive.
16 IA12T Instruction Address Range Compare 1-2
Toggle
0 Disabled
1 Enable
Toggles range 12 inclusive, exclusive
DBCR[IA12X] on debug event.
17 IA34T Instruction Address Range Compare 3–4
Toggle
0 Disabled
1 Enable
Toggles range 34 inclusive, exclusive
DBCR[IA34X] on debug event.
18:30
Reserved
31 FT Freeze timers on debug event
0 Timers not frozen
1 Timers frozen