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S3C9228/P9228 ELECTRICAL DATA
16-11
Table 16-9. Main Oscillation Stabilization Time
(T
A
= – 25
°
C to + 85
°
C, V
DD
= 2.0 V to 5.5 V)
Oscillator Test Condition Min Typ Max Unit
Crystal fx > 1 MHz – – 30 ms
Ceramic Oscillation stabilization occurs when VDD is
equal to the minimum oscillator voltage
ranage.
– – 10 ms
External clock
X
IN
input high and low width (t
XH
, t
XL
)
62.5 – 1250 ns
tXtXL
VDD-0.1 V
0.1 V
XIN
1/fx
Figure 16-6. Clock Timing Measurement at X
IN