NEC uPD780318 Subseries User Manual page 25

Nec emulation board user's manual
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<2> Prepare the IE-780338-NS-EM1.
<3> Remove the crystal oscillator that is mounted in the IE-780338-NS-EM1's X1 socket.
<4> Connect the parts board (from <1> above) to the X1 socket from which the crystal oscillator was
removed in <3> above. Check the pin 1 mark to make sure the board is mounted in the correct
direction.
<5> Make sure that the parts board is wired as shown in Figure 3-10 above.
<6> Connect the IE-780338-NS-EM1 to the IE-78K0-NS or IE-78K0-NS-A.
The above steps configure the following circuit and enable supply of the clock from the mounted resonator
to the emulation device.
1 MΩ
HCU04
X
4
11
3
CA
12
Remark The sections enclosed in broken lines indicate parts that are attached to the parts board.
CHAPTER 3 INSTALLATION
6
9
8
HCU04
5
Rx
10
13
CB
X1
2
User's Manual U16214EJ1V0UM
IE-78K0-NS or IE-78K0-NS-A side
(Emulation device)
A
Y
B
VHC157
LV
CC
HSK120
X1
25

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This manual is also suitable for:

Upd780328 subseriesUpd780338 subseriesIe-780338-ns-em1

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