LM3S1911-IRN20-A0T Luminary Micro, Inc., LM3S1911-IRN20-A0T Datasheet - Page 397

• Manufacturer Part Number: LM3S1911-IRN20-A0T
• Description: Microcontroller
• Manufacturer: Luminary Micro, Inc.

19.2.3
19.2.4
October 09, 2007
Table 19-8. Crystal Characteristics
Analog Comparator
Table 19-9. Analog Comparator Characteristics
Table 19-10. Analog Comparator Voltage Reference Characteristics
I
Table 19-11. I
f
t
f
f
f
Parameter Name
Frequency
Frequency tolerance
Aging
Oscillation mode
Temperature stability (0 - 85 °C)
Motional capacitance (typ)
Motional inductance (typ)
Equivalent series resistance (max)
Shunt capacitance (max)
Load capacitance (typ)
Drive level (typ)
Parameter
Parameter
Parameter No.
2
MOSC
MOSC_per
ref_crystal_bypass
ref_ext_bypass
system_clock
C
Parameter
C
V
R
V
T
R
A
T
A
MRR
CM
MC
OS
RT
HR
HR
LR
LR
I1
I2
a
a
Parameter Name
Input offset voltage
Input common mode voltage range
Common mode rejection ratio
Response time
Comparator mode change to Output Valid
Parameter Name
Resolution high range
Resolution low range
Absolute accuracy high range
Absolute accuracy low range
Parameter Name
Main oscillator frequency
Main oscillator period
Crystal reference using the main oscillator (PLL in BYPASS mode)
External clock reference (PLL in BYPASS mode)
System clock
Parameter
2
C Characteristics
t
SCH
t
LP
Parameter Name
Start condition hold time
Clock Low period
Parallel
27.8
14.3
±50
±25
120
100
±5
10
16
8
Min
Parallel
-
-
-
-
Preliminary
37.0
19.1
±50
±25
160
100
±5
10
16
6
V
V
Nom
Value
DD
DD
-
-
/32
/24
Parallel
55.6
28.6
±50
±25
200
100
Min
±5
10
16
50
4
0
Max
±1/2
±1/4
-
-
-
-
-
Nom
±10
Parallel
Unit
LSB
LSB
LSB
LSB
-
-
-
-
63.5
32.7
±50
±25
220
100
3.5
±5
10
16
V
DD
Max
±25
10
1
-
-1.5
Units
ppm/yr
MHz
ppm
ppm
mH
µW
pF
pF
pF
Ω
Unit
mV
dB
µs
µs
V
Min
36
36
Min
125
1
1
0
0
Nom
-
-
LM3S1911 Microcontroller
Nom
-
-
-
-
-
Max
-
-
1000
Max
50
50
8
8
MHz
MHz
MHz
MHz
Unit
system clocks
system clocks
ns
Unit
397