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3.2 Selecting Clock Supply and Replacing Oscillator Circuit Boards
(1) Clock Supply to the MCU
There are two ways to supply a clock to the MCU, using the oscillator circuit in the emulation pod
or using the oscillator circuit on the target system. Table 3.1 shows the factory-settings of each clock
supply. The clock supply can be set by the Init dialog box when starting up the emulator debugger
or inputting CLK command on the script window.
Table 3.1 Clock supply to the MCU
IMPORTANT
Notes on Changing the Clock Supply:
• For pins XCIN-XCOUT, it is necessary to set the switches on the FLX64-PRB board. For
details, refer to the user's manual of pod probe.
Clock Description Display of emulator debugger Factory-setting
X
IN-XOUT
XCIN-XCOUT
Internal oscillator circuit of emulation pod
(OSC-3: 16 MHz)
Target system
Internal oscillator circuit of emulation pod
(32.768 KHz)
Target system
Internal
External
External
Internal
Yes
-
Yes
-