NEC IE-789801-NS-EM1 User Manual page 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.
Crystal oscillator
V
NC
CC
GND
CLOCK OUT
<4> Install the IE-789801-NS-EM1 in the IE-78K0S-NS or IE-78K0S-NS-A.
26
CHAPTER 3
NC
GND
Figure 3-8. Pin Alignment of Crystal Oscillator and Socket
Socket
1
2
3
4
5
6
7
User's Manual U13390EJ2V0UM
INSTALLATION
V
CC
CLOCK OUT
Crystal Oscillator Pin Name
NC
14
GND
13
CLOCK OUT
12
11
V
CC
10
9
8
Socket Pin No.
1
7
8
14