ST10F163 View Datasheet(PDF) - STMicroelectronics
Part Name
Description
Manufacturer
ST10F163 Datasheet PDF : 58 Pages
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ST10F163
XVI.4.9 - External clock drive XTAL1
VDD = 5 V ± 10%
VSS = 0 V
TA = 0 to +70 °C
Parameter
Symbol
fCPU = fXTAL
fCPU = fXTAL / 2
fCPU = fXTAL * N
N = 1.5/2,/2.5/3/4/5
min
max
min
max
min
max
Oscillator period
tOSC
SR
High time
t1
SR
Low time
t2
SR
Rise time
t3
SR
Fall time
t4
SR
401)
1000
20
182)
–
62)
182)
–
62)
–
102)
–
–
102)
–
500
40 * N 100 * N
–
102)
–
–
102)
–
63)
–
102)
62)
–
102)
1. Theoretical minimum. The real minimum value depends on the duty cycle of the input clock signal.
2. The input clock signal must reach the defined levels VIL and VIH2.
Figure 13 : External clock drive XTAL1
Unit
ns
ns
ns
ns
ns
t1
t3
t4
VIH2
t2
VIL
tOSC
37/58
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