Datasheet

Break Module (BRK)
Technical Data MC68HC908GR8 — Rev 4.0
96 Break Module (BRK) MOTOROLA
6.6.2 Break Address Registers
The break address registers (BRKH and BRKL) contain the high and low
bytes of the desired breakpoint address. Reset clears the break address
registers.
6.6.3 Break Status Register
The break status register (SBSR) contains a flag to indicate that a break
caused an exit from wait mode. The flag is useful in applications
requiring a return to wait mode after exiting from a break interrupt.
Address: $FE09
Bit 7654321Bit 0
Read:
Bit 15 14 13 12 11 10 9 Bit 8
Write:
Reset:00000000
Figure 6-4. Break Address Register High (BRKH)
Address: $FE0A
Bit 7654321Bit 0
Read:
Bit 7654321Bit 0
Write:
Reset:00000000
Figure 6-5. Break Address Register Low (BRKL)
Address: $FE00
Bit 7654321Bit 0
Read: 000100BW0
Write:RRRRRRNOTER
Reset:00010000
Note: Writing a logic 0 clears BW. R = Reserved
Figure 6-6. SIM Break Status Register (SBSR)
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cale Semiconductor,
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