NEC IE-784225-NS-EM1, Руководство пользователя

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CHAPTER 3 INSTALLATION
User’s Manual U13742EJ2V0UM
30
(b) When using a crystal oscillator
•
Items to be prepared
•
Crystal oscillator (see pinouts shown in Figure 3-10)
Figure 3-10. Crystal Oscillator (When Using Subsystem Clock or User-Mounted Clock)
<Steps>
<1> Prepare the IE-784225-NS-EM1.
<2> Remove the parts board that is mounted in the IE-784225-NS-EM1’s socket (the socket marked as USCLK).
<3> Connect the crystal oscillator (from <2> above) to the socket (USCLK) from which the parts board was
removed. Insert the crystal oscillator pin into the socket aligning the pins as shown below.
Crystal Oscillator Pin Name Socket Pin No.
NC 1
GND 7
CLOCK OUT 8
V
CC
14
<4> Install the IE-784225-NS-EM1 in the IE-78K4-NS.
NC
GND CLOCK OUT
V
CC
14
13
12
11
10
9
8
V
CC
CLOCK OUT
GND
NC
1
2
3
4
5
6
7
Crystal oscillator Socket