HD6473887 Datasheet, PDF (108/523 Pages) Renesas Technology Corp – Hitachi Single-Chip Microcomputer

4. External clock input method
Connect an external clock signal to pin OSC₁, and leave pin OSC₂ open. Figure 4-6 shows a
typical connection.
OSC ₁
OSC ₂
Open
External clock input
Frequency
Duty cycle
Figure 4-6 External Clock Input (Example)
Oscillator Clock (ø_OSC)
45% to 55%
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