MC3PHAC Motorola, MC3PHAC Datasheet - Page 34

• Manufacturer Part Number: MC3PHAC
• Description: 3-Phase AC Motor Controller
• Manufacturer: Motorola

MC3PHAC/D
34
Address:
Reset:
Read:
Write:
POWER UP Bit
RESET PIN Bit
MC3PHAC FUNCTIONAL FAULT Bits
PC MASTER SOFTWARE RESET COMMAND Bit
LOW V
POWER
$FE01
This read-only bit indicates the last system reset was caused by the power-
up reset detection circuit.
This read-only bit indicates the last system reset was caused from the
RESET input pin.
This read-only bit indicates if the last system reset was the result of an
internal system error.
This read-only bit indicates the last system reset was the result of a PC
master software reset command.
This read-only bit indicates if the last reset was the result of low V
to the MC3PHAC.
Freescale Semiconductor, Inc.
Bit 7
UP
1
For More Information On This Product,
1 = The last reset was caused by an initial power-up of the MC3PHAC.
0 = Power-up reset was not the source of the reset or a read of the reset
1 = Last reset was caused by an external reset applied to the RESET
0 = The RESET pin was not the source of the reset or a read of the reset
1 = MC3PHAC internal system error
0 = The FUNCTIONAL FAULT was not the source of the reset or a read
1 = The MC3PHAC was reset by the PC master software command reset
0 = The PC master software RESET COMMAND was not the source of
1 = The last reset was caused by the low power supply detection circuit.
0 = The LOW V
DD
= Unimplemented
status register after the first read.
input pin.
status register after the first read.
of the reset status register after the first read.
as the result of a write of $30 to location $1000
the reset or a read of the reset status register after the first read.
status register after the first read.
VOLTAGE Bit
RESET
3-Phase AC Motor Controller
PIN
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6
0
Figure 17. Reset Status Register
FUNCTIONAL
MC3PHAC
DD
FAULT
5
0
was not the source of the reset or a read of the reset
FUNCTIONAL
MC3PHAC
FAULT
4
0
PC MASTER
SOFTWARE
COMMAND
RESET
3
0
2
0
VOLTAGE
LOW V
1
0
DD
MOTOROLA
DD
applied
Bit 0
0