CHAPTER 3 INSTALLATION
User’s Manual U13390EJ2V0UM
26
(b) When using a crystal oscillator
•
Items to be prepared
•
Crystal oscillator (see pinouts shown in Figure 3-7)
Figure 3-7. Crystal Oscillator (When Using User-Mounted Clock)
<Steps>
<1> Prepare the IE-789801-NS-EM1.
<2> Remove the crystal oscillator that is mounted in the IE-789801-NS-EM1’s socket (the socket
marked as X1).
<3> Connect the crystal oscillator (from <2> above) to the socket (X1) from which the parts board for
external clock was removed. Insert the crystal oscillator pin into the socket aligning the pins as
shown in the figure below.
Figure 3-8. 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> Install the IE-789801-NS-EM1 in the IE-78K0S-NS or IE-78K0S-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