mc68hc908sr12 Freescale Semiconductor, Inc, mc68hc908sr12 Datasheet - Page 365

• Manufacturer Part Number: mc68hc908sr12
• Description: M68hc08 Microcontrollers Microcontroller
• Manufacturer: Freescale Semiconductor, Inc

MC68HC908SR12•MC68HC08SR12 — Rev. 5.0
Freescale Semiconductor
Note: Writing a logic 0 clears SBSW.
$FE0C
$FE0D
$FE0E
Addr.
$FE00
$FE03
SIM Break Status Register
Break Status and Control
Break Address Register
Break Address Register
SIM Break Flag Control
Register Name
Register (BRKSCR)
Register (SBFCR)
High (BRKH)
Low (BRKL)
(SBSR)
Figure 23-2. Break Module I/O Register Summary
Reset:
Reset:
Reset:
Reset:
Reset:
Read:
Write:
Read:
Write:
Read:
Write:
Read:
Write:
Read:
Write:
IAB15–IAB0
BRKE
BCFE
Bit 15
Bit 7
Bit 7
R
0
0
0
0
Figure 23-1. Break Module Block Diagram
= Unimplemented
Break Module (BRK)
BRKA
IAB15–IAB8
IAB7–IAB0
14
R
R
6
0
6
0
0
BREAK ADDRESS REGISTER HIGH
BREAK ADDRESS REGISTER LOW
8-BIT COMPARATOR
8-BIT COMPARATOR
13
R
R
5
0
5
0
0
0
12
R
R
4
0
4
0
0
0
11
R
R
R
3
0
3
0
0
0
= Reserved
CONTROL
10
R
R
2
0
2
0
0
0
Functional Description
Break Module (BRK)
SBSW
Note
R
1
0
9
0
1
0
0
0
Data Sheet
BREAK
Bit 0
Bit 8
Bit 0
R
R
0
0
0
0
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