NEC IE-789835-NS-EM1 User Manual page 29

(b) When using a crystal oscillator
•
Items to be prepared
• Crystal oscillator (see pinouts shown in Figure 3-12)
Figure 3-12. Crystal Oscillator (Main System Clock)
<Steps>
<1> Prepare the IE-789835-NS-EM1.
<2> Remove the crystal oscillator that is mounted in the X2 socket of the IE-789835-NS-EM1.
<3> Mount a crystal oscillator in the X2 socket from which the crystal oscillator was removed in <2> above.
Insert the crystal oscillator pin into the socket aligning the pins as shown in the figure below.
Figure 3-13. Pin Alignment of Crystal Oscillator and Socket (Main System Clock)
Crystal oscillator
V
NC
CC
GND
CLOCK OUT
<4> Install the IE-789835-NS-EM1 in the IE-78K0S-NS or IE-78K0S-NS-A.
CHAPTER 3 INSTALLATION
V
NC
CC
GND CLOCK OUT
Socket
1 14
2 13
3 12
4 11
5 10
6 9
7 8
User's Manual U16290EJ1V0UM
Crystal Oscillator Pin Name
NC
GND
CLOCK OUT
V
CC
Socket Pin No.
1
7
8
14
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