DescriptionResetTypeNameBit/Field
RTC Wake-up Enable
DescriptionValue
An RTC match event has no effect on hibernation.0
An RTC match event (the value the HIBRTCC register
matches the value of the HIBRTCM0 register and the value
of the RTCSSC field matches the RTCSSM field in the
HIBRTCSS register) takes the microcontroller out of
hibernation.
1
0RWRTCWEN3
Software should not rely on the value of a reserved bit. To provide
compatibility with future products, the value of a reserved bit should be
preserved across a read-modify-write operation.
0ROreserved2
Hibernation Request
DescriptionValue
No hibernation request.0
Set this bit to initiate hibernation.1
After a wake-up event, this bit is automatically cleared by hardware.
A hibernation request is ignored if both the PINWEN and RTCWEN bits
are clear.
0RWHIBREQ1
RTC Timer/Calendar Enable
This is bit must be set to enable RTC or calendar mode. For calendar
mode enable, the CALEN bit in the HIBCALCTL register must also be
set.
DescriptionValue
The Hibernation module RTC and calendar mode are
disabled.
0
The Hibernation module RTC and calendar mode are
enabled.
1
Note: The low-frequency oscillator has a wide frequency variation,
therefore the RTC is not accurate when using this clock
source.
0RWRTCEN0
561June 18, 2014
Texas Instruments-Production Data
Tiva
™
TM4C1294NCPDT Microcontroller
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