mc68hc908gt8 Freescale Semiconductor, Inc, mc68hc908gt8 Datasheet - Page 239

• Manufacturer Part Number: mc68hc908gt8
• Description: M68hc08 Microcontrollers
• Manufacturer: Freescale Semiconductor, Inc

Freescale Semiconductor
Note: Writing a 0 clear SBSW.
Addr.
$FE0A
$FE0B
$FE00
$FE03
$FE09
Break Address Register High
Break Address Register Low
SIM Break Status Register
Break Status and Control
Register Name
SIM Break Flag Control
Register (BRKSCR)
Register (SBFCR)
See page 242.
See page 242.
See page 241.
See page 241.
See page 241.
IAB15–IAB0
MC68HC908GT16 • MC68HC908GT8 • MC68HC08GT16 Data Sheet, Rev. 5.0
(BRKH)
(SBSR)
(BRKL)
Reset:
Reset:
Reset:
Reset:
Reset:
Read:
Read:
Read:
Read:
Read:
Write:
Write:
Write:
Write:
Write:
Figure 19-2. Break Module Block Diagram
IAB15–IAB8
IAB7–IAB0
Figure 19-3. I/O Register Summary
BRKE
Bit 7
BCFE
Bit 15
Bit 7
BREAK ADDRESS REGISTER HIGH
BREAK ADDRESS REGISTER LOW
R
0
0
0
0
0
0
8-BIT COMPARATOR
8-BIT COMPARATOR
= Unimplemented
BRKA
14
6
R
R
0
0
0
6
0
0
13
5
R
R
0
0
0
5
0
0
0
12
4
R
R
0
0
R
1
1
0
4
0
CONTROL
= Reserved
11
R
R
3
0
0
0
3
0
0
0
10
2
R
R
0
0
0
2
0
0
0
BREAK
Break Module (BRK)
SBSW
NOTE
1
R
0
9
0
1
0
0
0
Bit 0
Bit 8
Bit 0
R
R
0
0
0
0
0
0
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