CHAPTER 3 INSTALLATION
User’s Manual U14362EJ2V1UM
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(3) Pulse input from target system
An external clock connected to the target system can be used via an emulation probe.
Figure 3-5. When Using an External Clock
Remark
The clock supplied by the target system’s external clock (encircled in the figure) is used.
3.2.2 Main system clock settings
Table 3-1. Main System Clock Settings
IE-789026-NS-EM1
Frequency of Main System Clock
X1 Socket
CPU Clock Source
Selection (ID)
When using clock that is
already mounted on
emulation board
5.0 MHz
Oscillator used
When using clock mounted
by user
Oscillator configured by user
Internal
When inputting pulse from
target system
Other than 5.0 MHz
Oscillator (not used)
External
Caution
When inputting a pulse from the target system, open the configuration dialog box when
starting the integrated debugger (ID78K0S-NS) and select “External” in the area (Clock) for
selecting the CPU’s clock source (this selects the user’s clock).
Remark
The IE-789026-NS-EM1’s factory settings are those listed above under “when using clock that is
already mounted on emulation board”.
(1) When using clock that is already mounted on emulation board
When the IE-789026-NS-EM1 is shipped, a 5.0-MHz crystal oscillator is already mounted in the IE-789026-NS-
EM1’s X1 socket. When using the factory-set mode settings, there is no need to make any other hardware
settings.
When starting the integrated debugger (ID78K0S-NS), open the configuration dialog box and select “Internal” in
the area (Clock) for selecting the CPU’s clock source (this selects the emulator’s internal clock).
IE-78K0S-NS or IE-78K0S-NS-A
External clock
(to be used)
Emulation probe
Target system
IE-789026-NS-EM1
