mc68hc908lj24 Freescale Semiconductor, Inc, mc68hc908lj24 Datasheet - Page 429

• Manufacturer Part Number: mc68hc908lj24
• Description: M68hc08 Microcontrollers
• Manufacturer: Freescale Semiconductor, Inc

MC68HC908LJ24/LK24 — Rev. 2.1
Freescale Semiconductor
Note: Writing a logic 0 clears SBSW.
$FE0C
$FE0D
$FE0E
Addr.
$FE00
$FE03
SIM Break Status Register
Break Status and Control
SIM Break Flag Control
Register Name
Break Address
Break Address
Register High
Register Low
(BRKSCR)
(SBFCR)
Register
Register
(BRKH)
(SBSR)
(BRKL)
Figure 23-2. Break Module I/O Register Summary
Reset:
Reset:
Reset:
Reset:
Reset:
Read:
Read:
Read:
Read:
Read:
Write:
Write:
Write:
Write:
Write:
IAB15–IAB0
BCFE
BRKE
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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