LM3S1439 Luminary Micro, Inc, LM3S1439 Datasheet - Page 508
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LM3S1439
Manufacturer Part Number
LM3S1439
Description
Lm3s1439 Arm Microcontroller
Manufacturer
Luminary Micro, Inc
Datasheet
1.LM3S1439.pdf
(544 pages)
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Electrical Characteristics
22.2.3
508
Table 22-8. Clock Characteristics
a. The ADC must be clocked from the PLL or directly from a 14-MHz to 18-MHz clock source to operate properly.
Table 22-9. Crystal Characteristics
Analog-to-Digital Converter
Table 22-10. ADC Characteristics
f
f
f
f
f
f
t
f
f
f
Parameter Name
Frequency
Frequency tolerance
Aging
Oscillation mode
Temperature stability (-40°C to 85°C)
Temperature stability (-40°C to 105°C)
Motional capacitance (typ)
Motional inductance (typ)
Equivalent series resistance (max)
Shunt capacitance (max)
Load capacitance (typ)
Drive level (typ)
Parameter
V
C
N
f
t
f
INL
IOSC
IOSC30KHZ
XOSC
XOSC_XTAL
XOSC_EXT
MOSC
MOSC_per
ref_crystal_bypass
ref_ext_bypass
system_clock
ADC
ADCCONV
ADCCONV
ADCIN
ADCIN
Parameter
Parameter Name
Maximum single-ended, full-scale analog input voltage
Minimum single-ended, full-scale analog input voltage
Maximum differential, full-scale analog input voltage
Minimum differential, full-scale analog input voltage
Equivalent input capacitance
Resolution
ADC internal clock frequency
Conversion time
Conversion rate
Integral nonlinearity
Parameter Name
Internal 12 MHz oscillator frequency
Internal 30 KHz oscillator frequency
Hibernation module oscillator frequency
Crystal reference for hibernation oscillator
External clock reference for hibernation module
Main oscillator frequency
Main oscillator period
Crystal reference using the main oscillator (PLL in BYPASS mode)
a
External clock reference (PLL in BYPASS mode)
System clock
Parallel
27.8
14.3
±50
±25
±25
120
100
10
16
±5
8
a
Preliminary
Parallel
37.0
19.1
±50
±25
±25
160
100
±5
10
16
6
Value
Parallel
55.6
28.6
±50
±25
±25
200
100
±5
10
16
4
a
Parallel
63.5
32.7
±50
±25
±25
220
100
Min
438
3.5
±5
10
16
7
-
-
-
-
-
-
-
-
Nom
500
10
Units
ppm/yr
1
8
-
-
-
-
-
-
MHz
ppm
ppm
ppm
mH
µW
pF
pF
pF
Ω
-
Max
-1.5
563
3.0
1.5
16
±1
0
9
-
-
Min
125
8.4
V
V
V
V
pF
bits
MHz
t
k samples/s
LSB
21
ADC
1
1
0
0
-
-
-
Unit
cycles
4.194304
4.194304
32.768
Nom
12
30
-
-
-
-
-
b
1000
Max
15.6
39
50
50
8
8
-
-
-
July 25, 2008
MHz
MHz
MHz
MHz
MHz
MHz
MHz
Unit
KHz
KHz
ns
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