XC68HC08KH12 Motorola, XC68HC08KH12 Datasheet - Page 245

• Manufacturer Part Number: XC68HC08KH12
• Description: MICROCONTROLLER
• Manufacturer: Motorola

16.5.1 Break Status and Control Register (BRKSCR)
16.5.2 Break Address Registers (BRKH and BRKL)
MC68HC(7)08KH12
MOTOROLA
—
Rev. 1.0
Address: $FE0E
The break status and control register contains break module enable and
status bits.
BRKE — Break Enable Bit
BRKA — Break Active Bit
The break address registers contain the high and low bytes of the
desired breakpoint address. Reset clears the break address registers.
Reset:
Read:
Write:
This read/write bit enables breaks on break address register matches.
Clear BRKE by writing a logic zero to bit 7. Reset clears the BRKE bit.
This read/write status and control bit is set when a break address
match occurs. Writing a logic one to BRKA generates a break
interrupt. Clear BRKA by writing a logic zero to it before exiting the
break routine. Reset clears the BRKA bit.
Figure 16-2. Break Status and Control Register (BRKSCR)
BRKE
Bit 7
0
1 = Breaks enabled on 16-bit address match
0 = Breaks disabled
1 = Break address match
0 = No break address match
Break Module (BREAK)
= Unimplemented
BRKA
6
0
5
0
0
4
0
0
3
0
0
2
0
0
Break Module Registers
Break Module (BREAK)
Advance Information
1
0
0
Bit 0
0
0
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