NEC uPD780328 Subseries - Manual (Page 27)

CHAPTER 3 INSTALLATION
User’s Manual U16214EJ1V0UM
27
The above steps configure the following circuit and enable supply of the clock from the mounted resonator
to the emulation device.
(3) When using external clock
No hardware settings are required for this situation.
When starting the integrated debugger (ID78K0-NS), open the configuration dialog box and select “External” in
the area (Clock) for selecting the CPU clock source (this selects the user clock).
VHC157
A Y
B
X1
IE-78K0-NS or IE-78K0-NS-A side
(Emulation device) V CC
Crystal oscillator
HSK120
LV
CC