MC68HC912DG128 Datasheet, PDF (381/452 Pages) Motorola, Inc – Microcontrollers

Freescale Semiconductor, Inc.
Development Support
Bit 7
6
5
4
3
2
Bit 15
14
13
12
11
10
RESET:
0
0
0
0
0
0
BRKAH — Breakpoint Address Register, High Byte
1
Bit 0
9
Bit 8
0
0
$0022
These bits are used to compare against the most significant byte of the
address bus.
Bit 7
6
5
4
3
2
1
Bit 0
Bit 7
6
5
4
3
2
1
Bit 0
RESET:
0
0
0
0
0
0
0
0
BRKAL — Breakpoint Address Register, Low Byte
$0023
These bits are used to compare against the least significant byte of the
address bus. These bits may be excluded from being used in the match
if BK0ALE = 0.
Bit 7
6
5
4
3
2
Bit 15
14
13
12
11
10
RESET:
0
0
0
0
0
0
BRKDH — Breakpoint Data Register, High Byte
1
Bit 0
9
Bit 8
0
0
$0024
These bits are compared to the most significant byte of the data bus or
the most significant byte of the address bus in dual address modes.
BKEN[1:0], BKDBE, and BKMBH control how this byte will be used in the
breakpoint comparison.
Technical Data
381
MC68HC912DG128 — Rev 3.0
Development Support
For More Information On This Product,
Go to: www.freescale.com
MOTOROLA