Datasheet

Chapter 16 Debug Module (DBGV1)
MC9S12E128 Data Sheet, Rev. 1.07
Freescale Semiconductor 479
DBGTBH
R Bit 15 Bit 14 Bit 13 Bit 12 Bit 11 Bit 10 Bit 9 Bit 8
W
DBGTBL
R Bit 7 Bit 6 Bit 5 Bit 4 Bit 3 Bit 2 Bit 1 Bit 0
W
DBGCNT
R TBF 0 CNT
W
DBGCCX
(2)
R
PAGSEL EXTCMP
W
DBGCCH
(2)
R
Bit 15 14 13 12 11 10 9 Bit 8
W
DBGCCL
(2)
R
Bit 7 6 5 4 3 2 1 Bit 0
W
DBGC2
BKPCT0
R
BKABEN FULL BDM TAGAB BKCEN TAGC RWCEN RWC
W
DBGC3
BKPCT1
R
BKAMBH BKAMBL BKBMBH BKBMBL RWAEN RWA RWBEN RWB
W
DBGCAX
BKP0X
R
PAGSEL EXTCMP
W
DBGCAH
BKP0H
R
Bit 15 14 13 12 11 10 9 Bit 8
W
DBGCAL
BKP0L
R
Bit 7 6 5 4 3 2 1 Bit 0
W
DBGCBX
BKP1X
R
PAGSEL EXTCMP
W
DBGCBH
BKP1H
R
Bit 15 14 13 12 11 10 9 Bit 8
W
DBGCBL
BKP1L
R
Bit 7 6 5 4 3 2 1 Bit 0
W
1
The DBG module is designed for backwards compatibility to existing BKP modules. Register and bit names have changed from
the BKP module. This column shows the DBG register name, as well as the BKP register name for reference.
2
Comparator C can be used to enhance the BKP mode by providing a third breakpoint.
Name
1
Bit 7 6 5 4 3 2 1 Bit 0
= Unimplemented or Reserved
Figure 16-3. DBG Register Summary (continued)