MC9S12XD256MAL Datasheet, PDF (711/1348 Pages) Freescale Semiconductor, Inc – Freescale’s Scalable Controller Area Network

Chapter 19 S12X Debug (S12XDBGV2) Module
19.3.1.11.6 Debug Comparator Data Low Register (DBGXDL)
0x002D
7
6
5
4
3
2
1
0
R
Bit 7
6
5
4
3
2
1
Bit 0
W
Reset
0
0
0
0
0
0
0
0
Figure 19-19. Debug Comparator Data Low Register (DBGXDL)
Read: Anytime
Write: Anytime when DBG not armed.
Table 19-33. DBGXDL Field Descriptions
Field
7–0
Bits [7:0]
Description
Comparator Data Low Compare Bits — The comparator data low compare bits control whether the selected
comparator compares the data bus bits [7:0] 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
19.3.1.11.7 Debug Comparator Data High Mask Register (DBGXDHM)
0x002E
7
6
5
4
3
2
R
Bit 15
14
13
12
11
10
W
Reset
0
0
0
0
0
0
1
0
9
Bit 8
0
0
Figure 19-20. Debug Comparator Data High Mask Register (DBGXDHM)
Read: Anytime
Write: Anytime when DBG not armed.
Table 19-34. DBGXDHM Field Descriptions
Field
Description
7–0
Bits [15:8]
Comparator Data High Mask Bits — The comparator data high mask bits control whether the selected
comparator compares the data bus bits [15:8] to the corresponding comparator data compare bits. This register
is available only for comparators A and C.
0 Do not compare corresponding data bit
1 Compare corresponding data bit
MC9S12XDP512 Data Sheet, Rev. 2.21
Freescale Semiconductor
713