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(1) Using the Oscillator Circuit on the Target System
When turning on the power supply, the internal clock of the emulation pod is selected to supply the
clock to the MCU. To use the external clock on the target system, change the clock by the CLK
command of the emulator debugger. (For details, refer to the user's manual of the emulator debugger.)
IMPORTANT
Notes on Operating with the External Clock:
• To operate the emulation pod with an oscillator on the target system, construct the
oscillator circuit as shown in Figure 3.3 in the target system and input the oscillator
output at 50% duty (within the operating range of the evaluation MCU) into the XIN
or XCIN pins. And the XOUT, XCOUT pins should be open.
• Make note of the fact that in the oscillator circuit shown in Figure 3.4 where a
resonator is connected between the XIN and XOUT pins, oscillation does not occur
because a connector and other devices are used between the evaluation MCU and the
target system. It is same for sub-clock oscillator circuits (XCIN and XCOUT).
Figure 3.3 External oscillator circuit
Figure 3.4 Circuit in which oscillation does not occur (same for XCIN -XCOUT)