Rev. 6.00, 08/04, page 107 of 628
OSC
OSC
C
1
C
2
Signal A
Signal B
2
1
To be avoided
Figure 4.6 Board Design of Oscillator Circuit
Note:
The circuit parameters above are recommended by the crystal or ceramic oscillator
manufacturer.
The circuit parameters are affected by the crystal or ceramic oscillator and floating
capacitance when designing the board. When using the oscillator, consult with the crystal
or ceramic oscillator manufacturer to determine the circuit parameters.
External Clock Input Method
Connect an external clock signal to pin OSC
1
, and leave pin OSC
2
open. Figure 4.7 shows a
typical connection.
OSC
1
OSC
2
External clock input
Open
Figure 4.7 External Clock Input (Example)
Frequency
Oscillator Clock (
φφφφ
OSC
)
Duty cycle
45% to 55%
Summary of Contents for H8/38024 Series
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Page 661: ...H8 38024 H8 38024S H8 38024F ZTAT H8 38124 Group Hardware Manual...
