Connecting Oscillator To External Clock - Fujitsu F2MC-16LX Hardware Manual

CHAPTER 5 CLOCKS
5.6

Connecting Oscillator to External Clock

Devices in the MB90470 series contain a system clock generator circuit and generate
clocks using an externally connected oscillator. Also, an external clock can be input to
it.
I Connection of oscillator and external clock
❍ Example of connecting crystal or ceramic oscillator
Connect a crystal oscillator or a ceramic oscillator as shown in the example in Figure 5.6-1
"Example of connecting crystal or ceramic oscillator".
Figure 5.6-1 Example of connecting crystal or ceramic oscillator
❍ Example of connecting external clock
Connect an external clock to pin X0 and set up pin X1 to be open as shown in the example in
the Figure 5.6-2 "Example of connecting external clock".
126
MB90470 series
X0(X0A) X1(X1A)
Figure 5.6-2 Example of connecting external clock
MB90470 series
X0(X0A) X1(X1A)
Open