mc68hc908qz16 Freescale Semiconductor, Inc, mc68hc908qz16 Datasheet - Page 229
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mc68hc908qz16
Manufacturer Part Number
mc68hc908qz16
Description
M68hc08 Microcontrollers
Manufacturer
Freescale Semiconductor, Inc
Datasheet
1.MC68HC908QZ16.pdf
(314 pages)
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ILAD — Illegal Address Reset Bit (opcode fetches only)
MODRST — Monitor Mode Entry Module Reset Bit
LVI — Low-Voltage Inhibit Reset Bit
16.7.3 Break Flag Control Register
The break flag control register (BFCR) contains a bit that enables software to clear status bits while the
MCU is in a break state.
BCFE — Break Clear Flag Enable Bit
Freescale Semiconductor
This read/write bit enables software to clear status bits by accessing status registers while the MCU is
in a break state. To clear status bits during the break state, the BCFE bit must be set.
1 = Last reset caused by an opcode fetch from an illegal address
0 = POR or read of SRSR
1 = Last reset caused by monitor mode entry when vector locations $FFFE and $FFFF are $FF after
0 = POR or read of SRSR
1 = Last reset caused by the LVI circuit
0 = POR or read of SRSR
1 = Status bits clearable during break
0 = Status bits not clearable during break
POR while IRQ = V
Address:
Reset:
Read:
Write:
$FE03
BCFE
Bit 7
R
0
Figure 16-22. Break Flag Control Register (BFCR)
MC68HC908GZ16 • MC68HC908GZ8 Data Sheet, Rev. 4
DD
= Reserved
R
6
R
5
R
4
R
3
R
2
R
1
Bit 0
R
SIM Registers
229
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