LM3S1636_13 Datasheet, PDF (246/655 Pages) Texas Instruments – Stellaris Microcontroller

Hibernation Module
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Register 5: Hibernation Control (HIBCTL), offset 0x010
This register is the control register for the Hibernation module.
Hibernation Control (HIBCTL)
Base 0x400F.C000
Offset 0x010
Type R/W, reset 0x8000.0000
31
30
29
28
27
26
25
24
23
22
21
20
19
18
17
16
reserved
Type RO
RO
RO
RO
RO
RO
RO
RO
RO
RO
RO
RO
RO
RO
RO
RO
Reset
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
reserved
VABORT CLK32EN LOWBATEN PINWEN RTCWEN CLKSEL HIBREQ RTCEN
Type RO
RO
RO
RO
RO
RO
RO
RO
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
Reset
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
Bit/Field
31:8
7
Name
reserved
VABORT
Type
RO
R/W
Reset
0x00
0
Description
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.
Power Cut Abort Enable
Value
0
1
Description
Power cut occurs during a low-battery alert.
Power cut is aborted.
6
CLK32EN
R/W
0
Clocking Enable
Value
0
1
Description
Disabled
Enabled
This bit must be enabled to use the Hibernation module. If a crystal is
used, then software should wait 20 ms after setting this bit to allow the
crystal to power up and stabilize.
5
LOWBATEN
R/W
0
Low Battery Monitoring Enable
Value
0
1
Description
Disabled
Enabled
When set, low battery voltage detection is enabled (V_BAT < V_LOWBAT).
4
PINWEN
R/W
0
External WAKE Pin Enable
Value
0
1
Description
Disabled
Enabled
When set, an external event on the WAKE pin will re-power the device.
246
July 24, 2012
Texas Instruments-Production Data