mc68hc08ln56 Freescale Semiconductor, Inc, mc68hc08ln56 Datasheet - Page 214

• Manufacturer Part Number: mc68hc08ln56
• Description: M68hc08 Microcontrollers
• Manufacturer: Freescale Semiconductor, Inc

Break Module (BREAK)
17.4.2 Break Address Registers
The break address registers contain the high and low bytes of the desired breakpoint address. Reset
clears the break address registers.
17.5 Low-Power Modes
The WAIT and STOP instructions put the MCU in low-power- consumption standby modes.
17.5.1 Wait Mode
If enabled, the break module is active in wait mode. In the break routine, the user can subtract one from
the return address on the stack if SBSW is set. (See
writing logic zero to it.
17.5.2 Stop Mode
A break interrupt causes exit from stop mode and sets the SBSW bit in the SIM break status register. See
5.7 SIM
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Registers.
$FE0C
$FE0D
Reset:
Reset:
BRKH
Read:
Write:
BRKL
Read:
Write:
MC68HC08LN56 • MC68HC708LN56 General Release Specification, Rev. 2.1
Figure 17-4. Break Address Registers (BRKH and BRKL)
Bit 15
Bit 7
Bit 7
Bit 7
0
0
14
6
0
6
6
0
13
5
0
5
5
0
12
4
0
4
4
0
5.6 Low-Power
11
3
0
3
3
0
10
2
0
2
2
0
Modes.) Clear the SBSW bit by
1
9
0
1
1
0
Freescale Semiconductor
Bit 0
Bit 8
Bit 0
Bit 0
0
0