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21.6.5
Breakpoint Counter A Value and Control Register
MSB
1
2
0
Field
Reset
16
17
18
Field
Reset
Addr
Figure 21-18. Breakpoint Counter A Value and Control Register (COUNTA)
Table 21-23. Breakpoint Counter A Value and Control Register (COUNTA)
Bits
Name
0:15
CNTV
Counter preset value
16:29
—
Reserved
30:31
CNTC
Counter source select
00 not active (reset value)
01 I-bus first watchpoint
10 L-bus first watchpoint
11 Reserved
Note: COUNTA[16:31] are cleared following reset; COUNTA[0:15] are unaffected by reset.
21.6.6
Breakpoint Counter B Value and Control Register
MSB
1
2
0
Field
Reset
16
17
18
Field
Reset
Addr
Figure 21-19. Breakpoint Counter B Value and Control Register (COUNTB)
MOTOROLA
PRELIMINARY—SUBJECT TO CHANGE WITHOUT NOTICE
3
4
5
6
19
20
21
22
—
0000_0000_0000_0000
3
4
5
6
19
20
21
22
—
0000_0000_0000_0000
Chapter 21. Development Support
Development Support Registers
7
8
9
10
CNTV
Unaffected
23
24
25
26
SPR 150
Description
7
8
9
10
CNTV
Unaffected
23
24
25
26
SPR 151
11
12
13
14
27
28
29
30
CNTC
11
12
13
14
27
28
29
30
CNTC
21-53
15
LSB
31
15
LSB
31
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