Freescale Semiconductor, Inc.
Operating Modes
5.5.10 Mapping test registers
These registers are used for testing the mapping logic. They can only be
read and after each read they get cleared. A write to each register will
have no effect.
MTST0 — Mapping Test Register 0
$00F8
$00F9
$00FA
$00FB
Bit 7
MT07
0
6
MT06
0
5
MT05
0
4
MT04
0
3
MT03
0
2
MT02
0
1
MT01
0
Bit 0
MT00
0
RESET:
MTST1 — Mapping Test Register 1
Bit 7
MT0F
0
6
MT0E
0
5
MT0D
0
4
MT0C
0
3
MT0B
0
2
MT0A
0
1
MT09
0
Bit 0
MT08
0
RESET:
MTST2 — Mapping Test Register 2
Bit 7
MT17
0
6
MT16
0
5
MT15
0
4
MT14
0
3
MT13
0
2
MT12
0
1
MT11
0
Bit 0
MT10
0
RESET:
MTST3 — Mapping Test Register 3
Bit 7
MT1F
0
6
MT1E
0
5
MT1D
0
4
MT1C
0
3
MT1B
0
2
MT1A
0
1
MT19
0
Bit 0
MT18
0
RESET:
Technical Data
MC68HC912DG128 — Rev 3.0
Operating Modes
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