MC68HC908AT32 Datasheet, PDF (116/378 Pages) Freescale Semiconductor, Inc – Microcontrollers

Break Module (BRK)
BRKA — Break Active Bit
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
11.5.2 Break Address Registers
The break address registers contain the high and low bytes of the desired breakpoint address. Reset
clears the break address registers.
Register Name and Address: BRKH — $FE0C
Bit 7
6
5
4
3
2
Read:
Bit 15
14
13
12
11
10
Write:
Reset: 0
0
0
0
0
0
1
Bit 0
9
Bit 8
0
0
Register Name and Address: BRKHL — $FE0D
Read:
Bit 7
6
5
4
3
2
1
Bit 0
Write:
Reset: 0
0
0
0
0
0
0
0
Figure 11-4. Break Address Registers (BRKH and BRKL)
MC68HC908AT32 Data Sheet, Rev. 3.1
116
Freescale Semiconductor