mc68hc908bd48 Freescale Semiconductor, Inc, mc68hc908bd48 Datasheet - Page 265

• Manufacturer Part Number: mc68hc908bd48
• Description: M68hc08 Microcontrollers Microcontroller
• Manufacturer: Freescale Semiconductor, Inc

MC68HC908BD48
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)
—
IAB15–IAB0
Rev. 2.1
(SBSR)
Table 20-1. Break Module I/O Register Summary
Reset:
Reset:
Reset:
Reset:
Reset:
Figure 20-1. Break Module Block Diagram
Read:
Read:
Read:
Read:
Read:
Write:
Write:
Write:
Write:
Write:
IAB15–IAB8
IAB7–IAB0
BREAK ADDRESS REGISTER HIGH
BREAK ADDRESS REGISTER LOW
BCFE
BRKE
Bit 15
Bit 7
Bit 7
R
0
0
0
0
0
8-BIT COMPARATOR
8-BIT COMPARATOR
= Unimplemented
Break Module (BRK)
BRKA
14
R
R
6
0
0
6
0
0
13
R
R
5
0
0
5
0
0
0
12
R
R
4
0
0
4
0
0
0
CONTROL
11
R
R
R
3
0
0
3
0
0
0
= Reserved
10
R
R
2
0
0
2
0
0
0
BREAK
Break Module (BRK)
SBSW
Note
R
1
0
9
0
1
0
0
0
Data Sheet
Bit 0
Bit 8
Bit 0
R
R
0
0
0
0
0
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