mc9s12vr48 Freescale Semiconductor, Inc, mc9s12vr48 Datasheet - Page 217

• Manufacturer Part Number: mc9s12vr48
• Description: S12 Microcontrollers
• Manufacturer: Freescale Semiconductor, Inc

6.3.2.8.2
The DBGC1_COMRV bits determine which comparator address registers are visible in the 8-byte window
from 0x0028 to 0x002F as shown in
Read: Anytime. See
Write: If DBG not armed. See
6.3.2.8.3
Read: Anytime. See
Write: If DBG not armed. See
Freescale Semiconductor
Address: 0x0029
Address: 0x002A
Bit[17:16]
Reset
Reset
Field
1–0
W
W
R
R
Bit 15
Comparator Address High Compare Bits — The Comparator address high compare bits control whether the
selected comparator compares the address bus bits [17:16] to a logic one or logic zero.
0 Compare corresponding address bit to a logic zero
1 Compare corresponding address bit to a logic one
0
0
0
7
7
Debug Comparator Address High Register (DBGXAH)
Debug Comparator Address Mid Register (DBGXAM)
Figure 6-16. Debug Comparator Address High Register (DBGXAH)
Figure 6-17. Debug Comparator Address Mid Register (DBGXAM)
Table 6-24
Table 6-24
= Unimplemented or Reserved
Bit 14
0
0
0
6
6
Table 6-24. Comparator Address Register Visibility
Table 6-24
Table 6-24
for visible register encoding.
for visible register encoding.
MC9S12VR Family Reference Manual, Rev. 2.2
Table 6-25. DBGXAH Field Descriptions
Preliminary - Subject to Change Without Notice
COMRV
Bit 13
Section Table 6-24., “Comparator Address Register Visibility
00
01
10
11
0
0
0
5
5
for visible register encoding.
for visible register encoding.
DBGCAH, DBGCAM, DBGCAL
DBGAAH, DBGAAM, DBGAAL
DBGBAH, DBGBAM, DBGBAL
Bit 12
0
0
Visible Comparator
0
4
4
Description
None
Bit 11
0
0
0
3
3
Bit 10
0
0
0
2
2
S12S Debug Module (S12SDBGV2)
Bit 17
Bit 9
0
0
1
1
Bit 16
Bit 8
0
0
0
0
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