mc68hc908mr32 Freescale Semiconductor, Inc, mc68hc908mr32 Datasheet - Page 252
mc68hc908mr32
Manufacturer Part Number
mc68hc908mr32
Description
M68hc08 Microcontrollers
Manufacturer
Freescale Semiconductor, Inc
Datasheet
1.MC68HC908MR32.pdf
(282 pages)
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Note: Writing a 0 clears BW.
$FE0C
$FE0D
$FE00
$FE03
$FE0E
Addr.
Break Address Register High
Break Address Register Low
SIM Break Status Register
Break Status and Control
SIM Break Flag Control
Register Name
Register (BRKSCR)
Register (SBFCR)
See page 255.
See page 255.
See page 254.
See page 254.
See page 254.
IAB15–IAB0
(BRKH)
(SBSR)
(BRKL)
MC68HC908MR32 • MC68HC908MR16 Data Sheet, Rev. 6.1
Reset:
Reset:
Reset:
Reset:
Reset:
Read:
Read:
Read:
Read:
Read:
Write:
Write:
Write:
Write:
Write:
Figure 18-1. Break Module Block Diagram
IAB15–IAB8
IAB7–IAB0
Figure 18-2. I/O Register Summary
BRKE
BCFE
Bit 15
Bit 7
Bit 7
BREAK ADDRESS REGISTER HIGH
BREAK ADDRESS REGISTER LOW
R
0
0
0
0
8-BIT COMPARATOR
8-BIT COMPARATOR
= Unimplemented
BRKA
14
R
R
6
0
6
0
0
13
R
R
5
0
5
0
0
0
12
R
R
R
4
0
4
0
0
0
CONTROL
= Reserved
11
R
R
3
0
3
0
0
0
10
R
R
2
0
2
0
0
0
BREAK
Freescale Semiconductor
BW
R
1
0
9
0
1
0
0
0
Bit 0
Bit 8
Bit 0
R
R
0
0
0
0
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