MC68HC908AZ32ACFU MOTOROLA [Motorola, Inc], MC68HC908AZ32ACFU Datasheet - Page 171

• Manufacturer Part Number: MC68HC908AZ32ACFU
• Description: Microcontrollers
• Manufacturer: MOTOROLA [Motorola, Inc]

11.4.1 Flag Protection During Break Interrupts
11.4.2 CPU During Break Interrupts
68HC908AZ32A — Rev 0.0
MOTOROLA
Break Status and Control Register
Break Address Register High
Break Address Register Low
Register Name
(BRKH)
(BSCR)
(BRKL)
The BCFE bit in the break flag control register (BFCR) enables software
to clear status bits during the break state.
The CPU starts a break interrupt by:
Reset:
Reset:
Reset:
Read:
Read:
Read:
Write:
Write:
Write:
Freescale Semiconductor, Inc.
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For More Information On This Product,
Figure 11-2. I/O Register Summary
Loading the instruction register with the SWI instruction
Loading the program counter with $FFFC:$FFFD ($FEFC:$FEFD
in monitor mode)
BRKE
Bit 7
Bit 15
Bit 7
0
0
0
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Table 11-1. I/O Register Address Summary
= Unimplemented
BRKA
Register
Address
14
6
0
6
0
0
Break Module
13
5
0
5
0
0
0
$FE0C
BRKH
R = Reserved
12
4
0
4
0
0
0
$FE0D
BRKL
11
3
0
3
0
0
0
$FE0B
BSCR
10
2
0
2
0
0
0
Functional Description
Advance Information
1
9
0
1
0
0
0
Break Module
Bit 0
Bit 8
Bit 0
0
0
0
0
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