Table 26-4. Signals by Function, Except for GPIO (continued)
DescriptionBuffer TypePin TypePin NumberPin NameFunction
An output that indicates the processor is in
Hibernate mode.
TTLO65HIB
Hibernate
Buffered version of the Hibernation module's
32.768-kHz clock. This signal is not output when
the part is in Hibernate mode and before being
configured after power-on reset.
TTLO24
60
104
RTCCLK
Tamper signal 0.TTLI/O71TMPR0
Tamper signal 1.TTLI/O72TMPR1
Tamper signal 2.TTLI/O73TMPR2
Tamper signal 3.TTLI/O74TMPR3
Power source for the Hibernation module. It is
normally connected to the positive terminal of a
battery and serves as the battery
backup/Hibernation module power-source supply.
Power-68VBAT
An external input that brings the processor out of
Hibernate mode when asserted.
TTLI64WAKE
Hibernation module oscillator crystal input or an
external clock reference input. Note that this is
either a crystal or a 32.768-kHz oscillator for the
Hibernation module RTC.
AnalogI66XOSC0
Hibernation module oscillator crystal output. Leave
unconnected when using a single-ended clock
source.
AnalogO67XOSC1
1801June 18, 2014
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TM4C1294NCPDT Microcontroller