CHAPTER 3 INSTALLATION
User’s Manual U15928EJ1V0UM
25
(b) When using a crystal oscillator
•
Items to be prepared
•
Crystal oscillator (see pinouts shown in Figure 3-8)
Figure 3-8. Crystal Oscillator (When Using Main System Clock or User-Mounted Clock)
<Steps>
<1> Prepare the IE-178048-NS-EM1.
<2> Remove the crystal oscillator that is mounted in the IE-178048-NS-EM1’s socket (the socket
marked as mainCLK).
<3> Connect a crystal oscillator to the socket (mainCLK) from which the crystal oscillator was removed
(in <2> above). Insert the crystal oscillator pins into the socket pins as shown in the figure below.
Figure 3-9. Pin Alignment of Crystal Oscillator and Socket
Crystal Oscillator Pin Name
Socket Pin No.
NC
1
GND
7
CLOCK OUT
8
V
CC
14
<4> Connect the IE-178048-NS-EM1 to the IE-78K0-NS or IE-78K0-NS-A.
14
13
12
11
10
9
8
V
CC
CLOCK OUT
GND
NC
1
2
3
4
5
6
7
Crystal oscillator
Socket
V
CC
CLOCK OUT
GND
NC
