MC68HC908KX2 MOTOROLA [Motorola, Inc], MC68HC908KX2 Datasheet - Page 271

• Manufacturer Part Number: MC68HC908KX2
• Description: Microcontrollers
• Manufacturer: MOTOROLA [Motorola, Inc]

MC68HC908KX8 • MC68HC908KX2 • MC68HC08KX8 — Rev. 1.0
MOTOROLA
Note: Writing a logic 0 clears BW.
$FE0A
$FE0B
$FE00
$FE03
$FE09
$FE02
Addr.
SIM Break Status Register
Break Status and Control
Break Auxiliary Register
Break Address Register
Break Address Register
SIM Break Flag Control
Register Name
Register (BRKSCR)
Register (SBFCR)
See page 275.
See page 276.
See page 274.
See page 274.
See page 273.
See page 277.
High (BRKH)
Low (BRKL)
(BRKAR)
(SBSR)
Reset:
Reset:
Reset:
Reset:
Reset:
Reset:
Read:
Read:
Read:
Read:
Read:
Read:
Write:
Write:
Write:
Write:
Write:
Write:
IAB15–IAB0
Figure 19-2. I/O Register Summary
BCFE
BRKE
Bit 15
Bit 7
Bit 7
R
0
0
0
0
0
0
0
0
Figure 19-1. Break Module Block Diagram
= Unimplemented
Break (BRK) Module
BRKA
14
IAB15–IAB8
6
0
R
0
R
0
6
0
0
0
0
IAB7–IAB0
BREAK ADDRESS REGISTER HIGH
BREAK ADDRESS REGISTER LOW
8-BIT COMPARATOR
8-BIT COMPARATOR
13
R
R
5
0
0
0
5
0
0
0
0
0
12
R
R
R
4
1
1
0
4
0
0
0
0
0
= Reserved
11
R
R
3
0
0
0
3
0
0
0
0
0
CONTROL
10
R
R
2
0
0
0
2
0
0
0
0
0
Functional Description
Break (BRK) Module
NOTE
BW
R
1
0
9
0
1
0
0
0
0
0
Technical Data
BREAK
BDCOP
Bit 0
Bit 8
Bit 0
R
R
0
0
0
0
0
0
0
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