MC68HC908KX2 MOTOROLA [Motorola, Inc], MC68HC908KX2 Datasheet - Page 274

• Manufacturer Part Number: MC68HC908KX2
• Description: Microcontrollers
• Manufacturer: MOTOROLA [Motorola, Inc]

Break (BRK) Module
19.6.2 Break Address Registers
Technical Data
274
Address:
Address:
BRKA — Break Active Bit
The break address registers (BRKH and BRKL) contain the high and low
bytes of the desired breakpoint address. Reset clears the break address
registers.
Reset:
Reset:
Read:
Read:
Write:
Write:
This read/write status and control bit is set when a break address
match occurs. Writing a logic 1 to BRKA generates a break interrupt.
Clear BRKA by writing a logic 0 to it before exiting the break routine.
Reset clears the BRKA bit.
1 = When read, break address match
0 = When read, no break address match
$FE0A
$FE09
Figure 19-4. Break Address Register High (BRKH)
Bit 15
Figure 19-5. Break Address Register Low (BRKL)
Bit 7
Bit 7
Bit 7
0
0
Break (BRK) Module
MC68HC908KX8 • MC68HC908KX2 • MC68HC08KX8 — Rev. 1.0
14
6
0
6
6
0
13
5
0
5
5
0
12
4
0
4
4
0
11
3
0
3
3
0
10
2
0
2
2
0
1
9
0
1
1
0
MOTOROLA
Bit 0
Bit 8
Bit 0
Bit 0
0
0