mc68hc912bd32 Freescale Semiconductor, Inc, mc68hc912bd32 Datasheet - Page 257
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mc68hc912bd32
Manufacturer Part Number
mc68hc912bd32
Description
16-bit Device Composed Of Standard On-chip Peripherals
Manufacturer
Freescale Semiconductor, Inc
Datasheet
1.MC68HC912BD32.pdf
(292 pages)
- Current page: 257 of 292
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BRKAL — Breakpoint Address Register, Low Byte
BRKDH — Breakpoint Data Register, High Byte
BRKDL — Breakpoint Data Register, Low Byte
Instruction Tagging
23-dev
RESET:
RESET:
RESET:
Bit 15
Bit 7
Bit 7
Bit 7
Bit 7
Bit 7
0
0
0
14
6
6
0
6
0
6
6
0
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.
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.
These bits are compared to the least significant byte of the data bus or
the least significant byte of the address bus in dual address modes.
BKEN[1:0], BKDBE, BK1ALE, and BKMBL control how this byte will be
used in the breakpoint comparison.
The instruction queue and cycle-by-cycle CPU activity can be
reconstructed in real time or from trace history that was captured by a
logic analyzer. However, the reconstructed queue cannot be used to
stop the CPU at a specific instruction, because execution has already
Freescale Semiconductor, Inc.
For More Information On This Product,
13
5
5
0
5
0
5
5
0
Go to: www.freescale.com
Development Support
12
4
4
0
4
0
4
4
0
11
3
3
0
3
0
3
3
0
10
2
2
0
2
0
2
2
0
1
1
0
1
9
0
1
1
0
MC68HC912BD32 Rev 1.0
Development Support
Instruction Tagging
Bit 0
Bit 0
Bit 0
Bit 8
Bit 0
Bit 0
0
0
0
$0023
$0024
$0025
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