User's Manual

Understanding the IM4 Operating Modes
IM4 Module Integration Guide 13
1
You must use software to enable an SPI channel. Until you enable this
channel, inputs to it are ignored and outputs to it are 3-stated.
2
The Debug signals are intended for use during any debug efforts. You can
also configure these signals for use as a second UART channel.
3
The Auxiliary outputs are 3-stated on power-up until they are written to
the first time. During this condition, you should provide pull-ups or pull
downs to keep any external logic disabled.
Understanding the IM4 Operating Modes
This illustration shows the IM4 Overtemperature and standard operating
modes.
IM11
IM11
IM11
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IM11
IM11
IM11