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20.6.2.8 BREAKPOINT COUNTER A VALUE AND CONTROL REGISTER. The
breakpoint counter A value and control (COUNTA) register is used to count watchpoint
events and to generate breakpoints a programmable amount of time after a watchpoint
occurs.
COUNTA
BIT
0
1
2
FIELD
RESET
R/W
SPR
BIT
16
17
18
FIELD
RESET
R/W
SPR
NOTE: — = Undefined.
CNTV—Counter Preset Value
This field contains the number of watchpoint events to be encountered before a breakpoint
is generated.
Bits 16–29—Reserved
These bits are reserved and must be set to 0.
CNTC—Counter Source Select
00 = Not active (reset value).
01 = Instruction first watchpoint.
10 = Load/store first watchpoint.
11 = Reserved.
MOTOROLA
3
4
5
6
7
CNTV
—
R/W
150
19
20
21
22
23
RESERVED
0
R/W
150
MPC823e REFERENCE MANUAL
Development Capabilities and Interface
8
9
10
11
12
24
25
26
27
28
13
14
15
29
30
31
CNTC
0
R/W
20-53
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