LM3S5632 Luminary Micro, Inc, LM3S5632 Datasheet - Page 636
LM3S5632
Manufacturer Part Number
LM3S5632
Description
Lm3s5632 Arm Microcontroller
Manufacturer
Luminary Micro, Inc
Datasheet
1.LM3S5632.pdf
(685 pages)
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Electrical Characteristics
22.2.5
636
Figure 22-2. I
Hibernation Module
The Hibernation Module requires special system implementation considerations since it is intended
to power-down all other sections of its host device. The system power-supply distribution and
interfaces to the device must be driven to 0 V
regulator controlled by HIB.
The external voltage regulators controlled by HIB must have a settling time of 250 μs or less.
Table 22-13. Hibernation Module AC Characteristics
a. This parameter is highly sensitive to PCB layout and trace lengths, which may make this parameter time longer. Care
Figure 22-3. Hibernation Module Timing
Parameter No
32.768 KHz
(internal)
must be taken in PCB design to minimize trace lengths and RLC (resistance, inductance, capacitance).
/WAKE
H1
H2
H3
H4
H5
H6
H7
H8
I2CSDA
I2CSCL
/HIB
t
t
R
t
HIB_REG_WRITE
HIB_TO_VDD
2
t
WAKE_ASSERT
XOSC_SETTLE
WAKEPU
Parameter
t
C Timing
I1
WAKETOHIB
t
t
HIB_HIGH
HIB_LOW
H1
Internal 32.768 KHz clock reference rising edge to /HIB asserted
Internal 32.768 KHz clock reference rising edge to /HIB deasserted
/WAKE assertion time
/WAKE assert to /HIB desassert
XOSC settling time
Time for a write to non-volatile registers in HIB module to complete
HIB deassert to VDD and VDD25 at minimum operational level
WAKE internal pull-up resistor
I2
I4
Preliminary
a
DC
Parameter Name
I6
or powered down with the same external voltage
I7
H3
H4
I5
I8
H2
I3
Min
62
62
20
92
-
-
-
-
Nom
June 02, 2008
200
200
30
-
-
-
-
-
Max
124
250
I9
-
-
-
-
-
-
Unit
ms
kΩ
μs
μs
μs
μs
μs
μs
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