MC9S12HY64 Datasheet, PDF (202/792 Pages) Freescale Semiconductor, Inc – S12 Microcontrollers

S12S Debug Module (S12SDBGV2)
Table 6-26. DBGXAM Field Descriptions
Field
7–0
Bit[15:8]
Description
Comparator Address Mid Compare Bits — The Comparator address mid compare bits control whether the
selected comparator compares the address bus bits [15:8] 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
6.3.2.8.4 Debug Comparator Address Low Register (DBGXAL)
Address: 0x002B
R
W
Reset
7
Bit 7
0
6
Bit 6
0
5
Bit 5
0
4
Bit 4
0
3
Bit 3
0
2
Bit 2
0
1
Bit 1
0
0
Bit 0
0
Figure 6-18. Debug Comparator Address Low Register (DBGXAL)
Read: Anytime. See Table 6-24 for visible register encoding.
Write: If DBG not armed. See Table 6-24 for visible register encoding.
Table 6-27. DBGXAL Field Descriptions
Field
7–0
Bits[7:0]
Description
Comparator Address Low Compare Bits — The Comparator address low compare bits control whether the
selected comparator compares the address bus bits [7:0] 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
6.3.2.8.5 Debug Comparator Data High Register (DBGADH)
Address: 0x002C
R
W
Reset
7
Bit 15
0
6
Bit 14
0
5
Bit 13
0
4
Bit 12
0
3
Bit 11
0
2
Bit 10
0
1
Bit 9
0
0
Bit 8
0
Figure 6-19. Debug Comparator Data High Register (DBGADH)
Read: If COMRV[1:0] = 00
Write: If COMRV[1:0] = 00 and DBG not armed.
MC9S12HY/HA-Family Reference Manual, Rev. 1.04
202
Freescale Semiconductor