MC97F2664
April 11, 2014 Ver. 1.4
45
7.18 Main Oscillation Stabilization Characteristics
Table 7-18 Main Oscillation Stabilization Characteristics
(T
A
= -40°C ~ +85°C, VDD= 1.8V ~ 5.5V)
Oscillator
Parameter
MIN
TYP
MAX
Unit
Crystal
fx > 1MHz
Oscillation stabilization occurs when VDD
is equal to the minimum oscillator voltage
range.
–
–
60
ms
Ceramic
–
–
10
ms
External Clock
f
XIN
= 0.4 to 16MHz
XIN input high and low width (t
XH
, t
XL
)
31
–
1250
ns
t
XH
t
XL
XIN
0.2VDD
0.8VDD
1/f
XIN
Figure 7.14 Clock Timing Measurement at XIN
7.19 Sub Oscillation Characteristics
Table 7-19 Sub Oscillation Stabilization Characteristics
(T
A
= -40°C ~ +85°C, VDD= 1.8V ~ 5.5V)
Oscillator
Parameter
MIN
TYP
MAX
Unit
Crystal
–
–
–
10
s
External Clock
SXIN input high and low width (t
XH
, t
XL
)
5
–
15
μs
t
XH
t
XL
SXIN
0.2VDD
0.8VDD
1/f
SUB
Figure 7.15 Clock Timing Measurement at SXIN
Содержание MC97F2664
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