mc9s12xd256 Freescale Semiconductor, Inc, mc9s12xd256 Datasheet - Page 712

• Manufacturer Part Number: mc9s12xd256
• Description: Hcs12x Microcontrollers
• Manufacturer: Freescale Semiconductor, Inc

Chapter 19 Debug (S12XDBGV2)
19.3.1.11.4 Debug Comparator Address Low Register (DBGXAL)
Read: Anytime
Write: Anytime when DBG not armed.
19.3.1.11.5 Debug Comparator Data High Register (DBGXDH)
Read: Anytime
Write: Anytime when DBG not armed.
712
0x002C
0x002B
Bits [15:8]
Bits [7:0]
Reset
Reset
Field
Field
7–0
7–0
W
W
R
R
Bit 15
Bit 7
Comparator Address Low Compare Bits — The comparator address low compare bits control whether the
selected comparator will compare the address bus bits [7:0] to a logic 1 or logic 0.
0 Compare corresponding address bit to a logic 0
1 Compare corresponding address bit to a logic 1
Comparator Data High Compare Bits — The comparator data high compare bits control whether the selected
comparator compares the data bus bits [15:8] to a logic 1 or logic 0. The comparator data compare bits are only
used in comparison if the corresponding data mask bit is logic 1. This register is available only for comparators
A and C.
0 Compare corresponding data bit to a logic 0
1 Compare corresponding data bit to a logic 1
0
0
7
7
Figure 19-17. Debug Comparator Address Low Register (DBGXAL)
Figure 19-18. Debug Comparator Data High Register (DBGXDH)
14
6
0
0
6
6
Table 19-32. DBGXDH Field Descriptions
Table 19-31. DBGXAL Field Descriptions
MC9S12XDP512 Data Sheet, Rev. 2.17
13
5
0
0
5
5
12
4
0
0
4
4
Description
Description
11
3
0
0
3
3
10
2
0
0
2
2
Freescale Semiconductor
1
0
9
0
1
1
Bit 0
Bit 8
0
0
0
0