XC908AS60ACFU Motorola Semiconductor Products, XC908AS60ACFU Datasheet - Page 208

• Manufacturer Part Number: XC908AS60ACFU
• Description: MC68HC908AZ60A, MC68HC908AS60A Hcmos Microcontroller Unit Technical Data
• Manufacturer: Motorola Semiconductor Products

Break Module (BRK)
13.6.2 Break Address Registers
Technical Data
208
Register:
Address:
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:
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.
Figure 13-4. Break Address Registers (BRKH and BRKL)
1 = (When read) Break address match
0 = (When read) No break address match
$FE0C
BRKH
Bit 15
Bit 7
Bit 7
0
0
Break Module (BRK)
$FE0D
BRKL
14
6
0
6
0
13
5
0
5
0
12
4
0
4
0
11
3
0
3
0
MC68HC908AZ60A — Rev 2.0
10
2
0
2
0
1
9
0
1
0
MOTOROLA
Bit 0
Bit 8
Bit 0
0
0