mc68hc08az60 Freescale Semiconductor, Inc, mc68hc08az60 Datasheet - Page 103

• Manufacturer Part Number: mc68hc08az60
• Description: M68hc08 Family Of 8-bit Microcontroller Units Mcus
• Manufacturer: Freescale Semiconductor, Inc

SIM Break Flag
Control Register
21-sim
MOTOROLA
Address:
PIN — External Reset Bit
COP — Computer Operating Properly Reset Bit
ILOP — Illegal Opcode Reset Bit
ILAD — Illegal Address Reset Bit (opcode fetches only)
LVI — Low-Voltage Inhibit Reset Bit
The SIM break control register contains a bit that enables software to
clear status bits while the MCU is in a break state.
BCFE — Break Clear Flag Enable Bit
Reset:
Read:
Write:
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.
Freescale Semiconductor, Inc.
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1 = Last reset caused by external reset pin (RST)
0 = POR or read of SRSR
1 = Last reset caused by COP counter
0 = POR or read of SRSR
1 = Last reset caused by an illegal opcode
0 = POR or read of SRSR
1 = Last reset caused by an opcode fetch from an illegal address
0 = POR or read of SRSR
1 = Last reset was caused by the LVI circuit
0 = POR or read of SRSR
1 = Status bits clearable during break
0 = Status bits not clearable during break
Figure 19. SIM Break Flag Control Register (SBFCR)
$FE03
BCFE
Bit 7
R
0
System Integration Module (SIM)
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R
6
= Reserved
R
5
R
4
R
3
System Integration Module (SIM)
MC68HC08AZ60 — Rev 1.0
R
2
R
1
0
SIM Registers
Bit 0
R
103