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MC68HC908GT16 Datasheet, PDF (76/412 Pages) Motorola, Inc – Microcontrollers | |||
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Resets and Interrupts
Address: $FE01
Bit 7
6
5
4
3
2
1
Bit 0
Read: POR
PIN
COP ILOP ILAD MODRST LVI
0
Write:
POR: 1
0
0
0
0
0
0
0
= Unimplemented
Figure 4-3. SIM Reset Status Register (SRSR)
POR â Power-On Reset Flag
1 = Power-on reset since last read of SRSR
0 = Read of SRSR since last power-on reset
PIN â External Reset Flag
1 = External reset via RST pin since last read of SRSR
0 = POR or read of SRSR since last external reset
COP â Computer Operating Properly Reset Bit
1 = Last reset caused by timeout of COP counter
0 = POR or read of SRSR since any reset
ILOP â Illegal Opcode Reset Bit
1 = Last reset caused by an illegal opcode
0 = POR or read of SRSR since any reset
ILAD â Illegal Address Reset Bit
1 = Last reset caused by an opcode fetch from an illegal address
0 = POR or read of SRSR since any reset
MODRST â Monitor Mode Entry Module Reset Bit
1 = Last reset caused by forced monitor mode entry.
0 = POR or read of SRSR since any reset
LVI â Low-Voltage Inhibit Reset Bit
1 = Last reset caused by low-power supply voltage
0 = POR or read of SRSR since any reset
Technical Data
76
MC68HC908GT16 ⢠MC68HC908GT8 â Rev. 2
Resets and Interrupts
MOTOROLA
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