LM3S6422 Luminary Micro, Inc, LM3S6422 Datasheet - Page 437
LM3S6422
Manufacturer Part Number
LM3S6422
Description
Lm3s6422 Arm Microcontroller
Manufacturer
Luminary Micro, Inc
Datasheet
1.LM3S6422.pdf
(473 pages)
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19.1.3
19.1.4
July 25, 2008
a. V
On-Chip Low Drop-Out (LDO) Regulator Characteristics
Table 19-3. LDO Regulator Characteristics
Power Specifications
The power measurements specified in the tables that follow are run on the core processor using
SRAM with the following specifications (except as noted):
■
■
■
■
■
■
■
■
Parameter
Parameter
V
V
LDOOUT
C
V
V
OL
t
V
V
V
V
Temperature = 25°C
Clock Source (MOSC) =3.579545 MHz Crystal Oscillator
Main oscillator (MOSC) = enabled
Internal oscillator (IOSC) = disabled
t
I
PON
t
I
OFF
STEP
OH
OL
OH
ON
LDO
OL
DD
DD25
DDA
DDPHY
and V
a
a
= 3.3 V
= 3.3 V
= 2.50 V
Parameter Name
High-level output voltage
Low-level output voltage
High-level source current, V
Low-level sink current, V
OH
Parameter Name
Programmable internal (logic) power supply output value
Output voltage accuracy
Power-on time
Time on
Time off
Step programming incremental voltage
External filter capacitor size for internal power supply
= 3.3 V
shift to 1.2 V when using high-current GPIOs.
OL
=0.4 V
OH
=2.4 V
Preliminary
2-mA Drive
4-mA Drive
8-mA Drive
2-mA Drive
4-mA Drive
8-mA Drive
Min
2.4
2.0
4.0
8.0
2.0
4.0
8.0
-
2.25
Min
1.0
-
-
-
-
-
Nom
-
-
-
-
-
-
-
-
Nom
2.5
2%
50
-
-
-
-
Max
2.75
100
200
100
Max
3.0
0.4
-
-
-
-
-
-
-
-
-
Unit
mV
µs
µs
µs
µF
%
V
LM3S6422 Microcontroller
mA
mA
mA
mA
mA
mA
Unit
V
V
437
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