MC68HC908GT16_07 Datasheet, PDF (239/292 Pages) Freescale Semiconductor, Inc – Microcontrollers

IAB15–IAB8
IAB15–IAB0
BREAK ADDRESS REGISTER HIGH
8-BIT COMPARATOR
8-BIT COMPARATOR
BREAK ADDRESS REGISTER LOW
CONTROL
IAB7–IAB0
Figure 19-2. Break Module Block Diagram
Break Module (BRK)
BREAK
Addr. Register Name
$FE00
SIM Break Status Register ^Read:
(SBSR) Write:
See page 242. _Reset:
Note: Writing a 0 clear SBSW.
$FE03
SIM Break Flag Control ^Read:
Register (SBFCR) Write:
See page 242. _Reset:
Break Address Register High ^Read:
$FE09
(BRKH) Write:
See page 241. _Reset:
Break Address Register Low ^Read:
$FE0A
(BRKL) Write:
See page 241. _Reset:
$FE0B
Break Status and Control ^Read:
Register (BRKSCR) Write:
See page 241. _Reset:
Bit 7
0
R
0
BCFE
0
Bit 15
0
Bit 7
0
BRKE
0
6
5
0
0
R
R
0
0
R
R
14
13
0
0
6
5
0
0
0
BRKA
0
0
= Unimplemented
4
3
2
1
0
0
R
R
R
1
0
0
R
R
R
12
11
10
0
0
0
4
3
2
0
0
0
0
0
0
0
0
0
R = Reserved
Figure 19-3. I/O Register Summary
1
SBSW
NOTE
0
Bit 0
0
R
0
R
R
9
Bit 8
0
0
1
Bit 0
0
0
0
0
0
0
MC68HC908GT16 • MC68HC908GT8 • MC68HC08GT16 Data Sheet, Rev. 5.0
Freescale Semiconductor
239