LM3S6422 Datasheet, PDF (574/609 Pages) Texas Instruments – Stellaris® LM3S6422 Microcontroller

Electrical Characteristics
Figure 18-14. External XTLP Oscillator Characteristics
T_r
T_f
T_clkhi
T_clkper
T_clklo
Table 18-28. External XTLP Oscillator Characteristics
Parameter Name
XTLN Input Low Voltage
XTLP Frequency^a
XTLP Period^b
XTLP Duty Cycle
Symbol
XTLN_ILV
XTLP_f
T_clkper
XTLP_DC
Rise/Fall Time
T_r , T_f
Absolute Jitter
T_JITTER
a. IEEE 802.3 frequency tolerance ±50 ppm.
b. IEEE 802.3 frequency tolerance ±50 ppm.
Min
Nom
Max
-
-
0.8
-
25.0
-
-
40
-
40
-
60
40
60
-
-
4.0
-
-
0.1
18.2.10 Analog Comparator
Table 18-29. Analog Comparator Characteristics
Parameter Parameter Name
Min
V_OS
Input offset voltage
-
V_CM
Input common mode voltage range
0
C_MRR
Common mode rejection ratio
50
T_RT
Response time
-
T_MC
Comparator mode change to Output Valid
-
Nom
±10
-
-
-
-
Max
±25
V_DD-1.5
-
1
10
Table 18-30. Analog Comparator Voltage Reference Characteristics
Parameter
R_HR
R_LR
A_HR
A_LR
Parameter Name
Resolution high range
Resolution low range
Absolute accuracy high range
Absolute accuracy low range
Min
Nom
-
V_DD/31
-
V_DD/23
-
-
-
-
Max
-
-
±1/2
±1/4
Unit
-
-
-
%
ns
ns
Unit
mV
V
dB
µs
µs
Unit
LSB
LSB
LSB
LSB
574
June 18, 2012
Texas Instruments-Production Data