MC68HC708AS48 FREESCALE [Freescale Semiconductor, Inc], MC68HC708AS48 Datasheet - Page 157

• Manufacturer Part Number: MC68HC708AS48
• Description: Advance Information
• Manufacturer: FREESCALE [Freescale Semiconductor, Inc]

11.4.1 Flag Protection During Break Interrupts
MC68HC708AS48
MOTOROLA
Addr.
$FE0C
$FE0D
$FE0E
Break Address Register High
Break Address Register Low
Break Status and Control
Register (BRKSCR)
Register Name
—
IAB[15:0]
See page 160.
See page 160.
See page 159.
Rev. 4.0
(BRKH)
(BRKL)
The system integration module (SIM) controls whether module status
bits can be cleared during the break state. The BCFE bit in the SIM break
flag control register (SBFCR) enables software to clear status bits during
the break state. (See
Break Interrupts subsection for each module.)
Figure 11-1. Break Module Block Diagram
Figure 11-2. Break I/O Register Summary
IAB[15:8]
Reset:
Reset:
Reset:
IAB[7:0]
Read:
Read:
Read:
Write:
Write:
Write:
BREAK ADDRESS REGISTER HIGH
BREAK ADDRESS REGISTER LOW
Bit 7
BRKE
8-BIT COMPARATOR
8-BIT COMPARATOR
Bit 15
Bit 7
R
0
0
0
Break Module (Break)
= Reserved
BRKA
14
6
0
6
0
0
9.8.3 SIM Break Flag Control Register
13
5
R
0
5
0
0
0
12
R
4
0
4
0
0
0
CONTROL
11
3
R
0
3
0
0
0
BKPT
TO SIM
10
2
R
0
2
0
0
0
Functional Description
Break Module (Break)
Advance Information
R
1
9
0
1
0
0
0
and the
Bit 0
Bit 8
Bit 0
R
0
0
0
0
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