LM3S1911 Luminary Micro, Inc, LM3S1911 Datasheet - Page 415
LM3S1911
Manufacturer Part Number
LM3S1911
Description
Lm3s1911 Arm Microcontroller
Manufacturer
Luminary Micro, Inc
Datasheet
1.LM3S1911.pdf
(450 pages)
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19
19.1
19.1.1
19.1.2
July 26, 2008
Electrical Characteristics
DC Characteristics
Maximum Ratings
The maximum ratings are the limits to which the device can be subjected without permanently
damaging the device.
Note:
Table 19-1. Maximum Ratings
a. Voltages are measured with respect to GND.
Important:
Recommended DC Operating Conditions
For special high-current applications, the GPIO output buffers may be used with the following
restrictions. With the GPIO pins configured as 8-mA output drivers, a total of four GPIO outputs may
be used to sink current loads up to 18 mA each. At 18-mA sink current loading, the V
specified as 1.2 V. The high-current GPIO package pins must be selected such that there are only
a maximum of two per side of the physical package or BGA pin group with the total number of
high-current GPIO outputs not exceeding four for the entire package.
Table 19-2. Recommended DC Operating Conditions
Characteristic
a
I/O supply voltage (V
Core supply voltage (V
Analog supply voltage (V
Battery supply voltage (V
Input voltage
Maximum current per output pins
Parameter
V
V
V
V
V
V
V
DD25
V
DDA
BAT
SIH
SIL
DD
IH
IL
The device is not guaranteed to operate properly at the maximum ratings.
Parameter Name
I/O supply voltage
Core supply voltage
Analog supply voltage
Battery supply voltage
High-level input voltage
Low-level input voltage
High-level input voltage for Schmitt trigger inputs
Low-level input voltage for Schmitt trigger inputs
This device contains circuitry to protect the inputs against damage due to high-static
voltages or electric fields; however, it is advised that normal precautions be taken to
avoid application of any voltage higher than maximum-rated voltages to this
high-impedance circuit. Reliability of operation is enhanced if unused inputs are
connected to an appropriate logic voltage level (for example, either GND or V
DD
DD25
)
DDA
BAT
)
)
)
Symbol
V
V
V
V
V
DD25
DDA
BAT
DD
I
IN
Min
-0.3
0
0
0
0
-
Value
Preliminary
Max
5.5
25
4
3
4
4
Unit
mA
V
V
V
V
V
0.8 * V
2.25
Min
-0.3
3.0
3.0
2.3
2.0
0
DD
Nom
3.3
2.5
3.3
3.0
-
-
-
-
0.2 * V
Max
2.75
V
3.6
3.6
3.6
5.0
1.3
DD
DD
LM3S1911 Microcontroller
Unit
V
V
V
V
V
V
V
V
OL
value is
DD
).
415
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