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3.3 Selecting Clock Supply
There are two ways to supply a clock to the MCU, using the oscillator circuit of the emulation pod
or using the oscillator circuit on the target system. Table 3.4 shows the factory-settings of each clock
supply.
Table 3.4 Clock supply to the MCU
IMPORTANT
Notes on Changing the Clock Supply:
• The clock supply can be set by the Init dialog when starting up the emulator debugger
or inputting CLK command on the script window.
• For XCIN-XCOUT pins, it is necessary to set switches in the emulation pod when using
the clock on the target system. For details, refer to "3.2 Switch Settings" (page 25).
Clock Description Display of emulator debugger Factory-setting
X
IN-XOUT
XCIN-XCOUT
Internal oscillator circuit of emulation pod
(OSC-3: 20 MHz)
Target system
Internal oscillator circuit of emulation pod
(32.768 KHz)
Target system
Internal
External
External
Internal
Yes
-
Yes
-