Renesas TM V.3.20A Especificaciones descargar pdf (Pagina 548)

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Renesas Technology, Tools FAQs

Last Updated: April 20, 2000

Document Number: 01051028_e

I want to supply a clock to the XIN pin of the target MCU and leave the XOUT pin open. But the emulation pod already has the

oscillation circuit on the OSC-3 board.

When I invoke the PD79 emulator debugger and select the internal clock (the emulation pod internal oscillation circuit),

should I be aware of any affect the XIN clock input will receive from the target system? And, in the opposite situation: what

about when selecting the external clock in the debugger and concerns of the influence from the pod internal clock?

When I switch the clock source in the PD79 emulator debugger, how does the emulation pod hardware select the clock source

from either the pod internal clock or the target XIN pin clock supply?

You do not need to be concerned about the affect on the pod internal clock from the target system XIN clock supply, even

when you select the clock input in the debugger.

Both clock signals (the target system XIN pin clock supply and the pod internal clock circuit) are brought through the control

gate array chip in the emulation pod independently. Then, the gate array chip selects either clock by the debugger command

and supplies the clock to the XIN pin of the emulation MCU.

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